WO2024061191A1 - Electronic device - Google Patents

Electronic device Download PDF

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Publication number
WO2024061191A1
WO2024061191A1 PCT/CN2023/119605 CN2023119605W WO2024061191A1 WO 2024061191 A1 WO2024061191 A1 WO 2024061191A1 CN 2023119605 W CN2023119605 W CN 2023119605W WO 2024061191 A1 WO2024061191 A1 WO 2024061191A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
electronic device
pin
reset
resistor
Prior art date
Application number
PCT/CN2023/119605
Other languages
French (fr)
Chinese (zh)
Inventor
徐超
魏华兵
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2024061191A1 publication Critical patent/WO2024061191A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • H02J7/0032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits disconnection of loads if battery is not under charge, e.g. in vehicle if engine is not running
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This application belongs to the technical field of electronic equipment, and specifically relates to an electronic equipment.
  • Embodiments of the present application provide an electronic device that can solve the problem of micro power consumption and impact on battery performance of electronic devices during long-term storage.
  • Embodiments of the present application provide an electronic device, including: a fuel gauge unit, a reset unit, a level conversion unit, a battery, a power management unit and a power device;
  • the first end of the fuel gauge unit is connected to the battery, the second end of the fuel gauge unit is connected to the electrical device, and the third end of the fuel gauge unit is connected to the first end of the reset unit.
  • the second end of the reset unit is connected to the first end of the level conversion unit, the second end of the level conversion unit is respectively connected to the first end of the power key of the electronic device and the power supply
  • the management unit is connected, and the second end of the power key is connected to ground, wherein the electrical device includes a controller.
  • the electronic device includes a fuel gauge unit, a reset unit, a level conversion unit, a battery, a power management unit and a power device.
  • the first end of the fuel gauge unit is connected to the battery, and the second end of the fuel gauge unit is connected to the battery.
  • the third end of the fuel gauge unit is connected to the first end of the reset unit, the second end of the reset unit is connected to the first end of the level conversion unit, and the second end of the level conversion unit is connected to the electronic device respectively.
  • the first end of the power button of the device is connected to the power management unit, and the second end of the power button is connected to ground, where the power-consuming device includes a controller.
  • the battery when the electronic device is not used for a long time, the battery can be disconnected from the power-consuming devices through the fuel gauge unit, thereby eliminating the leakage current of the battery back-end devices and the fuel gauge of the high-power-consuming devices on the battery. It puts the whole machine into a low power consumption state.
  • Power supply avoids long-term micro-power consumption of power-consuming devices due to long-term non-use of electronic equipment, reduces battery loss and improves battery performance.
  • just press the power button to restore power to power-consuming devices, which is easy to operate. .
  • Figure 1 is a structural block diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 2 is a detailed structural block diagram of an electronic device provided by an embodiment of the present application.
  • Figure 3 is a schematic circuit structure diagram of an electronic device provided by an embodiment of the present application.
  • Figure 4 is a detailed circuit structure schematic diagram of an electronic device provided by an embodiment of the present application.
  • Figure 5 is a schematic circuit structure diagram of another electronic device provided by an embodiment of the present application.
  • Figure 6 is a schematic diagram of the circuit structure of the fuel gauge in Figure 5.
  • the electronic device may include a fuel gauge unit 100, a reset unit 700, a level conversion unit 200, a battery 300, a power management unit 600 and a powered device 400.
  • the first end of the fuel gauge unit 100 is connected to the battery 300
  • the second end of the fuel gauge unit 100 is connected to the electrical device 400
  • the third end of the fuel gauge unit 100 is connected to the first terminal of the reset unit 700.
  • the reset unit The second end of 700 is connected to the first end of the level conversion unit 200.
  • the second end of the level conversion unit 200 is connected to the first end of the power key 500 and the power management unit 600 of the electronic device respectively.
  • the third end of the power key 500 Both ends are grounded, and the electrical device 400 includes a controller.
  • the controller When the electronic device is in the first state, the controller sends a first instruction to the fuel meter unit 100, and the fuel meter unit 100 disconnects the battery 300 from the electrical device 400 according to the first instruction; when the power button 500 receives the first operation, the level conversion unit 200 is at a low level, and the fuel meter unit 100 is connected to the battery 300 and the electrical device 400 through the reset unit 700, the electronic device is in the second state, and the electrical device 400 resumes power supply.
  • the first state refers to the state in which the electronic device has not been used for a long time, such as the state during a period of time from the production of the electronic device to the time when the electronic device is used by the user, or it can also be the state in which the user does not use the electronic device for a long time.
  • the second state refers to the state of the electronic device when the user uses the electronic device. It may be the state of the electronic device when the user operates the electronic device, or it may be the charging state of the electronic device.
  • the first instruction may be to instruct the electronic device to enter a low power consumption state.
  • the power-consuming device 400 on the host side of the electronic device is in a power-off state.
  • the power-consuming devices such as the charging integrated circuit of the electronic device are also in a power-off state, so that the electronic device The overall power consumption is reduced to a lower level.
  • the first operation may be a press operation, or a long press operation, etc.
  • the long press operation refers to a press time exceeding a certain time, such as more than 1s, 2s, etc.
  • the first instruction can be sent to the fuel gauge unit 100 through the controller, so that the fuel gauge unit 100 disconnects the battery 300 from other components of the electronic device, thereby reducing the consumption of the electronic device. power consumption.
  • you need to use the electronic device you only need to operate the power button 500 to activate the electronic device, so that the power components 400 of the electronic device return to normal operation.
  • the electronic device includes a fuel gauge unit 100, a reset unit 700, a level conversion unit 200, a battery 300, a power management unit 600 and a power device 400.
  • the first end of the fuel gauge unit 100 is connected to the battery 300.
  • the second terminal of the fuel gauge unit 100 is connected to the electrical device 400
  • the third terminal of the fuel gauge unit 100 is connected to the first terminal of the reset unit 700
  • the second terminal of the reset unit 700 is connected to the first terminal of the level conversion unit 200
  • the second end of the level conversion unit 200 is connected to the first end of the power key 500 and the power management unit 600 of the electronic device respectively, and the second end of the power key 500 is connected to ground, where the electrical device 400 includes a controller.
  • the battery 300 when the electronic device is not used for a long time, the battery 300 can be disconnected from each power-consuming electrical device 400 through the fuel gauge unit 100, thereby eliminating the problem of the battery back-end components and the fuel gauge of high-power-consuming devices on the battery. Leakage current causes the whole machine to enter a low power consumption state.
  • the level conversion unit 200 can be at a low level by pressing the power button 500, and then the reset unit 700 can connect the fuel gauge unit 100 to the battery 300 and electrical devices.
  • the electronic device can be divided into a battery end and a host end.
  • the battery end includes a battery 300, a protection integrated circuit (IC), a fuel gauge unit 100, a sampling unit and a reset unit 700.
  • the host end includes Level conversion unit 200, and various electrical devices, such as audio unit, charging unit, radio frequency unit, controller (central processing unit CPU, image processor GPU, core), fingerprint unit, camera unit, backlight/ Flash and other units, motor units, screens, etc.
  • various electrical devices such as audio unit, charging unit, radio frequency unit, controller (central processing unit CPU, image processor GPU, core), fingerprint unit, camera unit, backlight/ Flash and other units, motor units, screens, etc.
  • the reset unit 700 may include a reset chip and a first switch transistor.
  • the voltage input pin (Vin) of the reset chip is connected to the battery 300
  • the voltage output pin (Vout) of the reset chip is connected to the electrical device 400
  • the reset pin (RST) of the reset chip is connected to the level conversion unit 200
  • the first end is connected
  • the enable pin (En) of the reset chip is connected to the controller
  • the output pin (SRO) of the reset chip is connected to the control end of the first switch Q1
  • the first end of the first switch Q1 is connected to
  • the battery 300 is connected
  • the second end of the first switch Q1 is connected to the fuel gauge unit 100 .
  • the voltage output pin (Vout) of the reset chip is connected to the electrical device 400, and is used to release the voltage inside the electrical device 400 when the electronic device is in the first state, that is, to release the voltage in the electrical device 400.
  • the voltage in the capacitor is released through the discharge path connected to Vout to avoid damage to electrical components.
  • the second end of the first switch Q1 is connected to the fuel gauge unit 100 for activating the fuel gauge unit 100 .
  • the first switch transistor Q1 can be a PMOS transistor (P-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET) or other transistors, and its role in this application is to conduct On or off function.
  • PMOS transistor P-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET
  • MOSFET Metal-Oxide-Semiconductor Field-Effect Transistor
  • the first switch Q1 is turned on through a level signal.
  • the reset pin RST of the reset chip inputs a low level, the first switch Q1 is turned on, thereby causing the fuel gauge unit 100 to communicate with the battery 300 and The electrical devices 400 are all turned on, and the power supply to the electrical devices 400 is restored.
  • the reset unit 700 may further include: a first resistor R1; a first end of the first resistor R1 is connected to the battery 300, and a second end of the first resistor R1 is connected to the first end of the first switch Q1.
  • the function of the first resistor R1 is to protect the first switch Q1.
  • the level conversion unit 200 may include: a second resistor R2, a third resistor R3, and a first diode D1; the first end of the second resistor R2 is connected to the battery 300, and the first end of the second resistor R2 is connected to the battery 300.
  • the second end of the second resistor R2 is connected to the reset pin RST of the reset chip, the first end of the third resistor R3 and the anode of the first diode D1 respectively.
  • the cathode of the first diode D1 is connected to the cathode of the power button 500 respectively.
  • the first terminal is connected to the power management unit 600 , and the second terminal of the third resistor R3 and the second terminal of the power key 500 are both grounded.
  • a pull-up resistor R2 and a pull-down resistor R3 are used to realize that the level conversion unit 200 outputs high and low levels to the reset pin RST of the reset chip to control the on or off of the first switch tube Q1 in the reset chip, thereby controlling whether to supply power to the electrical device 400.
  • the reset pin RST When the power button 500 of the electronic device receives the first operation, the reset pin RST is grounded, the first switch Q1 is turned on, the fuel gauge unit 100 receives the high-level signal of the battery 300, and the fuel gauge unit 100 communicates with the user.
  • the electrical device 400 is electrically connected, and the battery 300 can provide power to the electrical device 400. At this time, the electronic device is in the second state.
  • the fuel gauge unit 100 may include: a first fuel gauge chip and a second switch transistor Q2; the signal input pin (IIC) of the first fuel gauge chip is connected to the controller, and the first fuel gauge chip is connected to the controller.
  • the activation pin (Pack) of the fuel gauge chip is connected to the second terminal of the first switch tube Q1, the signal output pin (DSG) of the first fuel gauge chip is connected to the control terminal of the second switch tube Q2, and the second switch tube Q2
  • the first terminal of Q2 is connected to the battery 300 , and the second terminal of the second switching tube Q2 is connected to the electrical device 400 .
  • the fuel gauge unit 100 is also used to calculate the state of charge (SOC)/impedance/capacity/health status and other parameters of the battery cells of the battery 300, so as to detect the aging state of the battery cells.
  • SOC state of charge
  • the second switch transistor Q2 can be an NMOS transistor (N-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET), or other transistors, and its role in this application is to conduct On or off function.
  • NMOS transistor N-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET, or other transistors, and its role in this application is to conduct On or off function.
  • the controller of the electronic device can control the fuel gauge unit 100 to enter a low power consumption state through the signal input pin IIC of the first fuel gauge chip, thereby reducing its own power consumption, and can also control to turn off the second switch. Q2, thereby turning off the power supply path of the charging integrated circuit and power-consuming devices, eliminating the power consumption of battery back-end devices and high-power-consuming devices on the battery, such as the fuel gauge unit 100. That is, when the electronic device is in the first state, the controller sends a first instruction to the signal input pin IIC, and the fuel meter unit 100 controls the second switch Q2 to close according to the first instruction, disconnecting the electrical device 400 electrical connection.
  • the level conversion unit 200 After the user presses the power button 500, the level conversion unit 200 is grounded, the reset unit 700 receives the low level of the level conversion unit 200, controls the first switch Q1 to turn on, and the activation pin Pack of the fuel meter unit 100 receives The high-level signal exits the low-power state and activates the power-consuming device 400.
  • the controller can send a high-level signal to the enable pin En of the reset unit 700 through the general input and output port GPIO, so that the first switch Q1 is turned off. At this time, the electronic device is in the second state.
  • the controller of the electronic device sends a first instruction to the fuel meter unit 100 through a serial bus (Inter-Integrated Circuit, IIC), which may be a shutdown instruction.
  • IIC Inter-Integrated Circuit
  • the fuel meter unit 100 After receiving the first instruction, the fuel meter unit 100 enters low power consumption. mode, and at the same time, the second switch Q2 is controlled to be closed, the power supply Vbat of the battery 300 to the electrical device 400 is 0, the power consumption of the electrical device 400 of the electronic device is cut, and the electronic device enters a low power consumption state; when the user presses the power button 500 (powerkey), the level conversion unit 200 is grounded to form a low level.
  • the reset chip receives the low level and controls the first switch Q2 to turn on. The level of the battery 300 is directly given to the fuel gauge unit 100.
  • the fuel gauge unit The activation pin Pack of 100 receives a high level signal, the electronic device is activated and exits from the low power consumption mode.
  • the fuel gauge unit 100 controls the first switch Q1 to turn on, Vbat resumes output, and supplies power to the electrical device 400.
  • the electronic device returns to the normal state, and then the controller sends a high-level signal to the enable pin En of the reset unit 700 through the general-purpose input and output port GPIO, causing the first switch Q1 to turn off.
  • the electronic device may also include: a protection unit 800; the first end of the protection unit 800 is connected to the battery 300, and the second end of the protection unit 800 is connected to the fuel gauge respectively.
  • the unit 100 is connected to the electrical device 400 .
  • the electronic device may also include a protection unit 800, which is composed of a first protection module, a second protection module and its peripheral devices fifth switching tube Q5, sixth switching tube Q6, seventh switching tube Q7 and
  • the eighth switching tube Q8 is composed of, and cooperates with other units to realize overvoltage, undervoltage, external short circuit, overcurrent, overtemperature and other protection mechanisms and load detection functions.
  • the protection module may be a protection chip.
  • the first end of the first protection module and the first end of the second protection module are both connected to the positive electrode of the battery 300, and the second end of the first protection module is respectively connected to the control end of the seventh switch Q7 and the third end of the switch Q7.
  • the control end of the eight switch tube Q8 is connected, the first end of the eighth switch tube Q8 is connected to the negative electrode of the battery 300, the second end of the eighth switch tube Q8 is connected to the first end of the seventh switch tube Q7, and the seventh switch tube Q8
  • the second end of Q7 is connected to the first end of the fifth switching transistor Q5.
  • the second end of the second protection module is respectively connected to the control end of the fifth switching transistor Q5 and the control end of the sixth switching transistor Q6.
  • the second end of the switching transistor Q5 is connected to the first end of the sixth switching transistor Q6, and the second end of the sixth switching transistor Q6 is connected to the fuel meter unit 100 and the electrical device 400 respectively.
  • the fifth switching tube Q5, the sixth switching tube Q6, the seventh switching tube Q7 and the eighth switching tube Q8 can all be NMOS tubes (N-channel field effect tubes, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET ), it can also be other transistors, and its function in this application is to turn on or off.
  • NMOS tubes N-channel field effect tubes, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET ), it can also be other transistors, and its function in this application is to turn on or off.
  • the fuel gauge unit 100 includes a first sampling input terminal IN1 and a second sampling input terminal IN2; the electronic device further includes: a fourth resistor R4; the first end of the fourth resistor R4 is connected to The second end of the protection unit is connected to the first sampling input terminal IN1, and the second end of the fourth resistor R4 is connected to the second sampling input terminal IN2 and the electrical device 400 respectively.
  • the function of the fourth resistor R4 is sampling, that is, the fuel meter unit 100 can use the fourth resistor R4 to perform sampling, and then monitor the cell condition of the battery 300 .
  • the second fuel gauge chip includes a fuel gauge unit 100 and a reset unit 700; the electronic device also includes a third switch transistor Q3; the second fuel gauge chip includes: signal Input pin (IIC), activation pin (Pack), signal output pin (OUT) and control pin (SHP); the fuel gauge unit 100 includes a signal input pin IIC, activation pin Pack and signal output pin OUT ;
  • the reset unit 700 includes a control pin SHP; the signal input pin IIC is connected to the controller, that is, the GPIO pin of the electrical device 400, the activation pin Pack is connected to the electrical device 400, and the signal output pin OUT is connected to the third switch.
  • the control end of the tube Q3 is connected, the control pin SHP is connected to the level conversion unit 200 , the first end of the third switch tube Q3 is connected to the battery 300 , and the second end of the third switch tube Q3 is connected to the electrical device 400 .
  • the fuel gauge unit 100 is also used to calculate the state of charge (SOC)/impedance/capacity/health status and other parameters of the battery cells of the battery 300, so as to detect the aging state of the battery cells.
  • SOC state of charge
  • the fuel gauge in Figure 5 adds a control pin SHP and a power key 500 related circuit connected to the control pin SHP. Specifically, the circuit related to the power key connected to the control pin SHP is shown in Figure 6. In this embodiment, corresponding to the added control pin SHP inside the fuel gauge unit 100, an SHP module control logic part is added and a circuit structure connected between the control pin SHP and the SHP module control logic part.
  • the fuel gauge unit 100 includes a processor microcontroller unit (MCU), memory, communication module, power supply module, system clock, composite analog-to-digital converter (ADC), coulomb counter, high-end
  • the protection switch (N-MOS) drives the memory dump file (dump), SHP module control logic, fourth switch Q4 and other related circuits.
  • the first end of the processor MCU is connected to the memory, communication module, power supply module, The system clock, composite ADC, coulomb counter, and high-end protection N-MOS driver dump are connected.
  • the second end of the processor MCU is connected to the first end of the SHP module control logic.
  • the second end of the SHP module control logic is connected to the fourth switch tube respectively.
  • the first end of Q4 is connected to the reference voltage terminal Vref, and the second end of the fourth switch Q4 is connected to the control pin SHP.
  • the third switching transistor Q3 can be an NMOS transistor (N-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET) or other transistors, and its role in this application is to conduct On or off function.
  • NMOS transistor N-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET
  • control pin SHP is triggered by a low level, which can wake up the electronic device.
  • the level conversion unit 200 includes: a second diode D2; the anode of the second diode D2 is connected to the control pin SHP, and the cathode of the second diode is connected to the power supply respectively.
  • the management unit 600 is connected to the first end of the power key 500 .
  • the level conversion unit 200 When a control pin SHP is added to the second fuel gauge chip to implement reset, the level conversion unit 200 only needs a second diode D2, which outputs high and low levels through the power management unit 600.
  • the control pin SHP of the second fuel gauge chip controls the on or off of the third switch Q3, thereby controlling whether to supply power to the electrical device 400.
  • the controller on the host side of the electronic device can control the fuel gauge unit 100 to enter a low power consumption state through the signal input pin IIC of the second fuel gauge chip, thereby reducing its own power consumption and also controlling the shutdown of the second fuel gauge chip.
  • the three-switch transistor Q3 then turns off the power supply path of the charging integrated circuit, etc., to avoid power consumption of the power supply path components. That is, when the electronic device is in the first state, the controller sends a first instruction to the signal input pin IIC, and the fuel gauge unit 100 controls the third switch Q3 to close according to the first instruction to disconnect the electrical device 400 electrical connection.
  • the controller can send a high-level signal to the control pin SHP of the reset unit 700 through the general-purpose input and output port GPIO, so that the third switch Q3 is turned off, and the electronic device is in the second state at this time.
  • the voltage detected by the fuel gauge unit 100 is greater than the activation voltage.
  • the second fuel gauge chip is activated, exits the low power consumption state, and activates the power device 400.
  • the controller can A high-level signal is sent to the control pin SHP of the reset unit 700 through the general-purpose input and output port GPIO, so that the third switch Q3 is turned off. At this time, the electronic device is in the second state.
  • the electronic device may further include: a protection unit 800; a first end of the protection unit 800 is connected to the battery 300, and a second end of the protection unit 800 is connected to the fuel gauge unit 100 and the electrical device respectively. 400 connections.
  • the electronic device may also include a protection unit 800, which is composed of a first protection module, a second protection module and its peripheral devices fifth switching tube Q5, sixth switching tube Q6, seventh switching tube Q7 and
  • the eighth switching tube Q8 is composed of, and cooperates with other units to realize overvoltage, undervoltage, external short circuit, overcurrent, overtemperature and other protection mechanisms and load detection functions.
  • the protection module may be a protection chip.
  • the fifth switching tube Q5, the sixth switching tube Q6, the seventh switching tube Q7 and the eighth switching tube Q8 can all be NMOS tubes (N-channel field effect tubes, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET ), it can also be other transistors, and its function in this application is to turn on or off.
  • NMOS tubes N-channel field effect tubes, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET ), it can also be other transistors, and its function in this application is to turn on or off.
  • the fuel gauge unit 100 includes a first sampling input terminal IN1 and a second sampling input terminal IN2; the electronic device further includes: a fourth resistor R4; the first end of the fourth resistor R4 is connected to The second end of the protection unit is connected to the first sampling input terminal IN1, and the second end of the fourth resistor R4 is connected to the second sampling input terminal IN2 and the electrical device 400 respectively.
  • the function of the fourth resistor R4 is sampling, that is, the fuel meter unit 100 can use the fourth resistor R4 to perform sampling, and then monitor the cell condition of the battery 300 .
  • the power management unit 600 may include: a fifth resistor R5 and a third diode D3; the first end of the fifth resistor R5 is connected to the battery conversion voltage terminal VDD, the second end of the fifth resistor R5 is connected to the positive electrode of the third diode D3, and the negative electrode of the third diode D3 is respectively connected to the second end of the level conversion unit 200 and the first end of the power button 500.
  • control pin SHP When a control pin SHP is added to the fuel gauge chip to implement reset, the level conversion unit 200 only needs a second diode, which outputs high and low levels to the second power level through the power management unit 600
  • the control pin SHP of the chip is used to control the turn-on or turn-off of the third switch Q3, thereby controlling whether to supply power to the electrical device 400.
  • the electronic device processing may also include a display screen, a camera module, etc., which will not be described in detail in this application.
  • the electronic devices in this application can be full-screen mobile phones, tablet computers and other devices. Specific details will not be introduced in this application, and the actual situation shall prevail.
  • the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or that contributes to the existing technology.
  • the computer software product is stored in a storage medium (such as ROM/RAM, disk, CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Power Sources (AREA)

Abstract

The present application belongs to the technical field of electronic apparatuses. Disclosed is an electronic apparatus. The electronic apparatus comprises a voltameter unit, a reset unit, a level conversion unit, a battery, a power management unit and an electric device. A first end of the voltameter unit is connected to the battery, a second end of the voltameter unit is connected to the electric device, a third end of the voltameter unit is connected to a first end of the reset unit, a second end of the reset unit is connected to a first end of the level conversion unit, a second end of the level conversion unit is respectively connected to a first end of a power key of the electronic apparatus and the power management unit of the electronic apparatus, and a second end of the power key is grounded, wherein the electric device comprises a controller.

Description

电子设备Electronic equipment
相关申请的交叉引用Cross-references to related applications
本申请要求在2022年09月23日提交的中国专利申请第202211170637.6号的优先权，该中国专利申请的全部内容通过引用包含于此。This application claims priority from Chinese Patent Application No. 202211170637.6 filed on September 23, 2022. The entire content of this Chinese patent application is incorporated herein by reference.
技术领域Technical field
本申请属于电子设备技术领域，具体涉及一种电子设备。This application belongs to the technical field of electronic equipment, and specifically relates to an electronic equipment.
背景技术Background technique
随着电子设备(如手机等)的性能越来越好，电子设备的换机周长也逐渐增加，产品从生产出来到用户手里的时间越来越长，电子设备的电池由于长期的微耗电可能会耗电到禁充电压或更低的电压，影响电池性能。As the performance of electronic devices (such as mobile phones, etc.) is getting better and better, the replacement circumference of electronic devices is also gradually increasing. It takes longer and longer for products to be delivered from production to users. Power consumption may reach the forbidden charging voltage or lower voltage, affecting battery performance.
发明内容Contents of the invention
本申请实施例提供一种电子设备，能够解决电子设备长期存放存在微耗电，影响电池性能的问题。Embodiments of the present application provide an electronic device that can solve the problem of micro power consumption and impact on battery performance of electronic devices during long-term storage.
本申请实施例提供了一种电子设备，包括：电量计单元、复位单元、电平转化单元、电池、电源管理单元和用电器件；Embodiments of the present application provide an electronic device, including: a fuel gauge unit, a reset unit, a level conversion unit, a battery, a power management unit and a power device;
所述电量计单元的第一端与所述电池连接，所述电量计单元的第二端与所述用电器件连接，所述电量计单元的第三端与所述复位单元的第一端连接，所述复位单元的第二端与所述电平转化单元的第一端连接，所述电平转化单元的第二端分别与所述电子设备的电源键的第一端和所述电源管理单元连接，所述电源键的第二端接地，其中，所述用电器件包括控制器。The first end of the fuel gauge unit is connected to the battery, the second end of the fuel gauge unit is connected to the electrical device, and the third end of the fuel gauge unit is connected to the first end of the reset unit. connection, the second end of the reset unit is connected to the first end of the level conversion unit, the second end of the level conversion unit is respectively connected to the first end of the power key of the electronic device and the power supply The management unit is connected, and the second end of the power key is connected to ground, wherein the electrical device includes a controller.
在本申请实施例中，电子设备包括电量计单元、复位单元、电平转化单元、电池、电源管理单元和用电器件，电量计单元的第一端与电池连接，电量计单元的第二端与用电器件连接，电量计单元的第三端与复位单元的第一端连接，复位单元的第二端与电平转化单元的第一端连接，电平转化单元的第二端分别与电子设备的电源键的第一端和电源管理单元连接，电源键的第二端接地，其中，用电器件包括控制器。本申请实施例在电子设备处于长期不使用时，可以通过电量计单元将电池与各耗电的用电器件断开连接，消除电池后端器件和电池上高耗电器件电量计的漏电流，使得整机进入低功耗状态，在使用时可以通过按压电源键，使得电平转化单元处于低电平，进而通过复位单元使电量计单元与电池和用电器件均导通，用电器件恢复供电，避免了由于电子设备长时间不使用，耗电器件长时间的微耗电，减少电池的损耗，提升电池的性能，同时，只需按压电源键即可恢复耗电器件的供电，操作方便。In the embodiment of the present application, the electronic device includes a fuel gauge unit, a reset unit, a level conversion unit, a battery, a power management unit and a power device. The first end of the fuel gauge unit is connected to the battery, and the second end of the fuel gauge unit is connected to the battery. Connected to the electrical device, the third end of the fuel gauge unit is connected to the first end of the reset unit, the second end of the reset unit is connected to the first end of the level conversion unit, and the second end of the level conversion unit is connected to the electronic device respectively. The first end of the power button of the device is connected to the power management unit, and the second end of the power button is connected to ground, where the power-consuming device includes a controller. In the embodiment of the present application, when the electronic device is not used for a long time, the battery can be disconnected from the power-consuming devices through the fuel gauge unit, thereby eliminating the leakage current of the battery back-end devices and the fuel gauge of the high-power-consuming devices on the battery. It puts the whole machine into a low power consumption state. When in use, you can press the power button to make the level conversion unit at a low level, and then through the reset unit, the fuel meter unit, the battery and the power-consuming devices are all connected, and the power-consuming devices are restored. Power supply avoids long-term micro-power consumption of power-consuming devices due to long-term non-use of electronic equipment, reduces battery loss and improves battery performance. At the same time, just press the power button to restore power to power-consuming devices, which is easy to operate. .
附图说明Description of the drawings
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
图1是本申请的一个实施例提供的一种电子设备的结构框图；Figure 1 is a structural block diagram of an electronic device provided by an embodiment of the present application;
图2是本申请的一个实施例提供的一种电子设备的详细结构框图；Figure 2 is a detailed structural block diagram of an electronic device provided by an embodiment of the present application;
图3是本申请的一个实施例提供的一种电子设备的电路结构示意图；Figure 3 is a schematic circuit structure diagram of an electronic device provided by an embodiment of the present application;
图4是本申请的一个实施例提供的一种电子设备的详细电路结构示意图；Figure 4 is a detailed circuit structure schematic diagram of an electronic device provided by an embodiment of the present application;
图5是本申请的一个实施例提供的另一种电子设备的电路结构示意图；Figure 5 is a schematic circuit structure diagram of another electronic device provided by an embodiment of the present application;
图6是图5中电量计的电路结构示意图。Figure 6 is a schematic diagram of the circuit structure of the fuel gauge in Figure 5.
图中，100-电量计单元、200-电平转化单元、300-电池、400-用电器件、500-电源键、600-电源管理单元、700-复位单元、800-保护单元。In the figure, 100-fuel gauge unit, 200-level conversion unit, 300-battery, 400-power device, 500-power button, 600-power management unit, 700-reset unit, 800-protection unit.
具体实施方式Detailed ways
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that data so used are interchangeable under appropriate circumstances so that embodiments of the present application can be practiced in sequences other than those illustrated or described herein. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the related objects are in an "or" relationship.
下面结合附图1至图6，通过具体的实施例及其应用场景对本申请实施例提供的一种电子设备进行详细地说明。In the following, in conjunction with Figures 1 to 6, an electronic device provided by an embodiment of the present application is described in detail through specific embodiments and application scenarios.
如图1所示，为电子设备的结构框图。该电子设备可以包括电量计单元100、复位单元700、电平转化单元200、电池300、电源管理单元600和用电器件400。As shown in Figure 1, it is a structural block diagram of an electronic device. The electronic device may include a fuel gauge unit 100, a reset unit 700, a level conversion unit 200, a battery 300, a power management unit 600 and a powered device 400.
其中，电量计单元100的第一端与电池300连接，电量计单元100的第二端与用电器件400连接，电量计单元100的第三端与复位单元700的第一端连接，复位单元700的第二端与电平转化单元200的第一端连接，电平转化单元200的第二端分别与电子设备的电源键500的第一端和电源管理单元600连接，电源键500的第二端接地，其中，用电器件400包括控制器。Among them, the first end of the fuel gauge unit 100 is connected to the battery 300, the second end of the fuel gauge unit 100 is connected to the electrical device 400, and the third end of the fuel gauge unit 100 is connected to the first terminal of the reset unit 700. The reset unit The second end of 700 is connected to the first end of the level conversion unit 200. The second end of the level conversion unit 200 is connected to the first end of the power key 500 and the power management unit 600 of the electronic device respectively. The third end of the power key 500 Both ends are grounded, and the electrical device 400 includes a controller.
在电子设备处于第一状态的情况下，控制器向电量计单元100发送第一指令，电量计单元100根据第一指令将电池300与用电器件400断开连接；在电源键500接收到第一操作的情况下，电平转化单元200处于低电平，通过复位单元700使电量计单元100与电池300和用电器件400均导通，电子设备处于第二状态，用电器件400恢复供电。When the electronic device is in the first state, the controller sends a first instruction to the fuel meter unit 100, and the fuel meter unit 100 disconnects the battery 300 from the electrical device 400 according to the first instruction; when the power button 500 receives the first operation, the level conversion unit 200 is at a low level, and the fuel meter unit 100 is connected to the battery 300 and the electrical device 400 through the reset unit 700, the electronic device is in the second state, and the electrical device 400 resumes power supply.
值得说明的是，第一状态指电子设备长时间未使用的状态，例如从生产出电子设备到该电子设备被用户使用的一段时间内的状态，也可以是用户长时间不使用该电子设备，将其关机处理后电子设备的状态。第二状态指的是用户使用电子设备时电子设备的状态，可以是从用户操作该电子设备时电子设备的状态，也可以是电子设备的充电状态。It is worth noting that the first state refers to the state in which the electronic device has not been used for a long time, such as the state during a period of time from the production of the electronic device to the time when the electronic device is used by the user, or it can also be the state in which the user does not use the electronic device for a long time. The state of electronic equipment after shutting it down. The second state refers to the state of the electronic device when the user uses the electronic device. It may be the state of the electronic device when the user operates the electronic device, or it may be the charging state of the electronic device.
第一指令可以是指示电子设备进入低功耗状态，此时电子设备的主机端的用电器件400处于断电状态，同时电子设备的充电集成电路等耗电器件也处于断电状态，使得电子设备整体的功耗降到较低的水平。第一操作可以是按压操作，也可以是长按操作等，长按操作指的是按压时长超过一定时长，例如超过1s、2s等。The first instruction may be to instruct the electronic device to enter a low power consumption state. At this time, the power-consuming device 400 on the host side of the electronic device is in a power-off state. At the same time, the power-consuming devices such as the charging integrated circuit of the electronic device are also in a power-off state, so that the electronic device The overall power consumption is reduced to a lower level. The first operation may be a press operation, or a long press operation, etc. The long press operation refers to a press time exceeding a certain time, such as more than 1s, 2s, etc.
也就是说，在电子设备长时间未被使用时，可以通过控制器向电量计单元100发送第一指令，以使得电量计单元100断开电池300与电子设备其他器件的连接，减少电子设备的耗电量。在需要使用电子设备时，只需通过操作电源键500即可激活电子设备，使得电子设备的用电器件400均恢复正常工作。That is to say, when the electronic device has not been used for a long time, the first instruction can be sent to the fuel gauge unit 100 through the controller, so that the fuel gauge unit 100 disconnects the battery 300 from other components of the electronic device, thereby reducing the consumption of the electronic device. power consumption. When you need to use the electronic device, you only need to operate the power button 500 to activate the electronic device, so that the power components 400 of the electronic device return to normal operation.
在本申请实施例中，电子设备包括电量计单元100、复位单元700、电平转化单元200、电池300、电源管理单元600和用电器件400，电量计单元100的第一端与电池300连接，电量计单元100的第二端与用电器件400连接，电量计单元100的第三端与复位单元700的第一端连接，复位单元700的第二端与电平转化单元200的第一端连接，电平转化单元200的第二端分别与电子设备的电源键500的第一端和电源管理单元600连接，电源键500的第二端接地，其中，用电器件400包括控制器。本申请实施例在电子设备处于长期不使用时，可以通过电量计单元100将电池300与各耗电的用电器件400断开连接，消除电池后端器件和电池上高耗电器件电量计的漏电流，使得整机进入低功耗状态，在使用时可以通过按压电源键500，使得电平转化单元200处于低电平，进而通过复位单元700使电量计单元100与电池300和用电器件400均导通，用电器件400恢复供电，避免了由于电子设备长时间不使用，耗电器件长时间的微耗电，减少电池300的损耗，提升电池300的性能，同时，只需按压电源键500即可恢复耗电器件的供电，操作方便。In the embodiment of the present application, the electronic device includes a fuel gauge unit 100, a reset unit 700, a level conversion unit 200, a battery 300, a power management unit 600 and a power device 400. The first end of the fuel gauge unit 100 is connected to the battery 300. , the second terminal of the fuel gauge unit 100 is connected to the electrical device 400 , the third terminal of the fuel gauge unit 100 is connected to the first terminal of the reset unit 700 , the second terminal of the reset unit 700 is connected to the first terminal of the level conversion unit 200 The second end of the level conversion unit 200 is connected to the first end of the power key 500 and the power management unit 600 of the electronic device respectively, and the second end of the power key 500 is connected to ground, where the electrical device 400 includes a controller. In the embodiment of the present application, when the electronic device is not used for a long time, the battery 300 can be disconnected from each power-consuming electrical device 400 through the fuel gauge unit 100, thereby eliminating the problem of the battery back-end components and the fuel gauge of high-power-consuming devices on the battery. Leakage current causes the whole machine to enter a low power consumption state. When in use, the level conversion unit 200 can be at a low level by pressing the power button 500, and then the reset unit 700 can connect the fuel gauge unit 100 to the battery 300 and electrical devices. 400 are all turned on, and the power supply of the power-consuming device 400 is restored, which avoids the long-term micro-power consumption of the power-consuming device due to the electronic device not being used for a long time, reduces the loss of the battery 300, and improves the performance of the battery 300. At the same time, you only need to press the power Press key 500 to restore power to power-consuming devices, which is easy to operate.
值得说明的是，如图2所示，电子设备可以分为电池端和主机端，电池端包括电池300、保护集成电路(IC)、电量计单元100、采样单元和复位单元700，主机端包括电平转化单元200，以及各用电器件，例如音频单元、充电单元、依安县/射频单元、控制器(中央处理器CPU、图像处理器GPU、内核Core)、指纹单元、摄像头单元、背光/闪光等单元、马达单元、屏幕等。It is worth noting that, as shown in Figure 2, the electronic device can be divided into a battery end and a host end. The battery end includes a battery 300, a protection integrated circuit (IC), a fuel gauge unit 100, a sampling unit and a reset unit 700. The host end includes Level conversion unit 200, and various electrical devices, such as audio unit, charging unit, radio frequency unit, controller (central processing unit CPU, image processor GPU, core), fingerprint unit, camera unit, backlight/ Flash and other units, motor units, screens, etc.
如图3所示，在本申请的一个可能的实施方式中，复位单元700可以包括复位芯片和第一开关管。As shown in FIG. 3 , in a possible implementation of the present application, the reset unit 700 may include a reset chip and a first switch transistor.
其中，复位芯片的电压输入引脚(Vin)与电池300连接，复位芯片的电压输出引脚(Vout)与用电器件400连接，复位芯片的复位引脚(RST)与电平转化单元200的第一端连接，复位芯片的使能引脚(En)与控制器连接，复位芯片的输出引脚(SRO)与第一开关管Q1的控制端连接，第一开关管Q1的第一端与电池300连接，第一开关管Q1的第二端与电量计单元100连接。Among them, the voltage input pin (Vin) of the reset chip is connected to the battery 300 , the voltage output pin (Vout) of the reset chip is connected to the electrical device 400 , and the reset pin (RST) of the reset chip is connected to the level conversion unit 200 The first end is connected, the enable pin (En) of the reset chip is connected to the controller, the output pin (SRO) of the reset chip is connected to the control end of the first switch Q1, and the first end of the first switch Q1 is connected to The battery 300 is connected, and the second end of the first switch Q1 is connected to the fuel gauge unit 100 .
其中，复位芯片内部有一个放电通路，该放电通路的一端与Vout引脚连接，放电通路的另一端接地。复位芯片的电压输出引脚(Vout)与用电器件400连接，用于在电子设备处于第一状态的情况下，将用电器件400内部的电压释放出来，也就是说，将用电器件中电容中的电压通过Vout连接的放电通路释放出来，避免损坏用电器件。Among them, there is a discharge path inside the reset chip, one end of the discharge path is connected to the Vout pin, and the other end of the discharge path is connected to ground. The voltage output pin (Vout) of the reset chip is connected to the electrical device 400, and is used to release the voltage inside the electrical device 400 when the electronic device is in the first state, that is, to release the voltage in the electrical device 400. The voltage in the capacitor is released through the discharge path connected to Vout to avoid damage to electrical components.
第一开关管Q1的第二端与电量计单元100连接，用于激活电量计单元100。The second end of the first switch Q1 is connected to the fuel gauge unit 100 for activating the fuel gauge unit 100 .
值得说明的是，第一开关管Q1可以是PMOS管(P沟道型场效应管，Metal-Oxide-Semiconductor Field-Effect Transistor,MOSFET)，也可以是其他晶体管，在本申请中的作用为导通或关断的作用。It is worth noting that the first switch transistor Q1 can be a PMOS transistor (P-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET) or other transistors, and its role in this application is to conduct On or off function.
本申请实施例通过电平信号来实现第一开关管Q1的导通，当复位芯片的复位引脚RST输入低电平时，第一开关管Q1导通，进而使得电量计单元100与电池300和用电器件400均导通，用电器件400恢复供电。In the embodiment of the present application, the first switch Q1 is turned on through a level signal. When the reset pin RST of the reset chip inputs a low level, the first switch Q1 is turned on, thereby causing the fuel gauge unit 100 to communicate with the battery 300 and The electrical devices 400 are all turned on, and the power supply to the electrical devices 400 is restored.
可选地，复位单元700还可以包括：第一电阻R1；第一电阻R1的第一端与电池300连接，第一电阻R1的第二端与第一开关管Q1的第一端连接。Optionally, the reset unit 700 may further include: a first resistor R1; a first end of the first resistor R1 is connected to the battery 300, and a second end of the first resistor R1 is connected to the first end of the first switch Q1.
其中，第一电阻R1的作用是保护第一开关管Q1。Among them, the function of the first resistor R1 is to protect the first switch Q1.
在本申请的一个可能的实施方式中，电平转化单元200可以包括：第二电阻R2、第三电阻R3和第一二极管D1；第二电阻R2的第一端与电池300连接，第二电阻R2的第二端分别与复位芯片的复位引脚RST、第三电阻R3的第一端和第一二极管D1的正极连接，第一二极管D1的负极分别与电源键500的第一端和电源管理单元600连接，第三电阻R3的第二端和电源键500的第二端均接地。In a possible implementation of the present application, the level conversion unit 200 may include: a second resistor R2, a third resistor R3, and a first diode D1; the first end of the second resistor R2 is connected to the battery 300, and the first end of the second resistor R2 is connected to the battery 300. The second end of the second resistor R2 is connected to the reset pin RST of the reset chip, the first end of the third resistor R3 and the anode of the first diode D1 respectively. The cathode of the first diode D1 is connected to the cathode of the power button 500 respectively. The first terminal is connected to the power management unit 600 , and the second terminal of the third resistor R3 and the second terminal of the power key 500 are both grounded.
本申请实施例通过一个上拉电阻R2和一个下拉电阻R3，来实现电平转化单元200输出高低电平给复位芯片的复位引脚RST，以控制复位芯片中的第一开关管Q1的导通或关断，进而控制是否为用电器件400供电。In the embodiment of the present application, a pull-up resistor R2 and a pull-down resistor R3 are used to realize that the level conversion unit 200 outputs high and low levels to the reset pin RST of the reset chip to control the on or off of the first switch tube Q1 in the reset chip, thereby controlling whether to supply power to the electrical device 400.
在电子设备的电源键500接收到第一操作的情况下，复位引脚RST接地，第一开关管Q1导通，电量计单元100接收到电池300的高电平信号，电量计单元100与用电器件400电连接，电池300可以为用电器件400供电，此时电子设备处于第二状态。When the power button 500 of the electronic device receives the first operation, the reset pin RST is grounded, the first switch Q1 is turned on, the fuel gauge unit 100 receives the high-level signal of the battery 300, and the fuel gauge unit 100 communicates with the user. The electrical device 400 is electrically connected, and the battery 300 can provide power to the electrical device 400. At this time, the electronic device is in the second state.
在本申请的一个可能的实施方式中，电量计单元100可以包括：第一电量计芯片和第二开关管Q2；第一电量计芯片的信号输入引脚(IIC)与控制器连接，第一电量计芯片的激活引脚(Pack)与第一开关管Q1的第二端连接，第一电量计芯片的信号输出引脚(DSG)与第二开关管Q2的控制端连接，第二开关管Q2的第一端与电池300连接，第二开关管Q2的第二端与用电器件400连接。In a possible implementation of the present application, the fuel gauge unit 100 may include: a first fuel gauge chip and a second switch transistor Q2; the signal input pin (IIC) of the first fuel gauge chip is connected to the controller, and the first fuel gauge chip is connected to the controller. The activation pin (Pack) of the fuel gauge chip is connected to the second terminal of the first switch tube Q1, the signal output pin (DSG) of the first fuel gauge chip is connected to the control terminal of the second switch tube Q2, and the second switch tube Q2 The first terminal of Q2 is connected to the battery 300 , and the second terminal of the second switching tube Q2 is connected to the electrical device 400 .
其中，电量计单元100的作用还有计算电池300的电芯的荷电状态(state of charge，SOC)/阻抗/容量/健康状态等参数，实现对电芯老化状态的检测。Among them, the fuel gauge unit 100 is also used to calculate the state of charge (SOC)/impedance/capacity/health status and other parameters of the battery cells of the battery 300, so as to detect the aging state of the battery cells.
值得说明的是，第二开关管Q2可以是NMOS管(N沟道型场效应管，Metal-Oxide-Semiconductor Field-Effect Transistor,MOSFET)，也可以是其他晶体管，在本申请中的作用为导通或关断的作用。It is worth mentioning that the second switch transistor Q2 can be an NMOS transistor (N-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET), or other transistors, and its role in this application is to conduct On or off function.
在本申请实施例中，电子设备的控制器可以通过第一电量计芯片的信号输入引脚IIC控制电量计单元100进入低功耗状态，降低自身耗电的同时，也可以控制关闭第二开关管Q2，进而关断充电集成电路和用电器件等的供电通路，消除电池后端器件和电池上高耗电器件，如电量计单元100等的耗电。也即，在电子设备处于第一状态的情况下，控制器向信号输入引脚IIC发送第一指令，电量计单元100根据第一指令控制第二开关管Q2关闭，断开与用电器件400的电连接。在用户按压电源键500后，电平转化单元200接地，复位单元700接收到电平转化单元200的低电平，控制第一开关管Q1导通，电量计单元100的激活引脚Pack接收到高电平信号，退出低功耗状态，激活用电器件400，控制器可以通过通用输入输出口GPIO向复位单元700的使能引脚En发送高电平信号，使得第一开关管Q1关闭，此时电子设备处于第二状态。In the embodiment of the present application, the controller of the electronic device can control the fuel gauge unit 100 to enter a low power consumption state through the signal input pin IIC of the first fuel gauge chip, thereby reducing its own power consumption, and can also control to turn off the second switch. Q2, thereby turning off the power supply path of the charging integrated circuit and power-consuming devices, eliminating the power consumption of battery back-end devices and high-power-consuming devices on the battery, such as the fuel gauge unit 100. That is, when the electronic device is in the first state, the controller sends a first instruction to the signal input pin IIC, and the fuel meter unit 100 controls the second switch Q2 to close according to the first instruction, disconnecting the electrical device 400 electrical connection. After the user presses the power button 500, the level conversion unit 200 is grounded, the reset unit 700 receives the low level of the level conversion unit 200, controls the first switch Q1 to turn on, and the activation pin Pack of the fuel meter unit 100 receives The high-level signal exits the low-power state and activates the power-consuming device 400. The controller can send a high-level signal to the enable pin En of the reset unit 700 through the general input and output port GPIO, so that the first switch Q1 is turned off. At this time, the electronic device is in the second state.
依托上述结构的整体流程如下所示：The overall process based on the above structure is as follows:
电子设备的控制器通过串行总线(Inter-Integrated Circuit，IIC)给电量计单元100发送第一指令，可以是关机(shutdown)指令，电量计单元100接收到该第一指令后进入低功耗模式，同时控制第二开关管Q2关闭，电池300对用电器件400的供电Vbat为0，切段电子设备的用电器件400端的耗电，电子设备进入低功耗状态；在用户按压电源键500(powerkey)，电平转化单元200接地形成低电平，复位芯片接收到该低电平，控制第一开关管Q2导通，电池300的电平直接给到电量计单元100，电量计单元100的激活引脚Pack接收到高电平信号，电子设备被激活，从低功耗模式退出，电量计单元100控制第一开关管Q1导通，Vbat恢复输出，为用电器件400供电，电子设备恢复正常状态，然后，控制器通过通用输入输出口GPIO向复位单元700的使能引脚En发送高电平信号，使得第一开关管Q1关闭。 The controller of the electronic device sends a first instruction to the fuel meter unit 100 through a serial bus (Inter-Integrated Circuit, IIC), which may be a shutdown instruction. After receiving the first instruction, the fuel meter unit 100 enters low power consumption. mode, and at the same time, the second switch Q2 is controlled to be closed, the power supply Vbat of the battery 300 to the electrical device 400 is 0, the power consumption of the electrical device 400 of the electronic device is cut, and the electronic device enters a low power consumption state; when the user presses the power button 500 (powerkey), the level conversion unit 200 is grounded to form a low level. The reset chip receives the low level and controls the first switch Q2 to turn on. The level of the battery 300 is directly given to the fuel gauge unit 100. The fuel gauge unit The activation pin Pack of 100 receives a high level signal, the electronic device is activated and exits from the low power consumption mode. The fuel gauge unit 100 controls the first switch Q1 to turn on, Vbat resumes output, and supplies power to the electrical device 400. The electronic device The device returns to the normal state, and then the controller sends a high-level signal to the enable pin En of the reset unit 700 through the general-purpose input and output port GPIO, causing the first switch Q1 to turn off.
如图4所示，在本申请的一个可能的实施方式中，电子设备还可以包括：保护单元800；保护单元800的第一端与电池300连接，保护单元800的第二端分别与电量计单元100和用电器件400连接。As shown in Figure 4, in a possible implementation of the present application, the electronic device may also include: a protection unit 800; the first end of the protection unit 800 is connected to the battery 300, and the second end of the protection unit 800 is connected to the fuel gauge respectively. The unit 100 is connected to the electrical device 400 .
也就是说，电子设备还可以包括一个保护单元800，该保护单元800由第一保护模块、第二保护模块及其***器件第五开关管Q5、第六开关管Q6、第七开关管Q7和第八开关管Q8组成，和其他单元配合可以实现过压、欠压、外短路、过流、过温等保护机制以及负载检测功能。其中，保护模块可以为保护芯片。That is to say, the electronic device may also include a protection unit 800, which is composed of a first protection module, a second protection module and its peripheral devices fifth switching tube Q5, sixth switching tube Q6, seventh switching tube Q7 and The eighth switching tube Q8 is composed of, and cooperates with other units to realize overvoltage, undervoltage, external short circuit, overcurrent, overtemperature and other protection mechanisms and load detection functions. The protection module may be a protection chip.
具体地，第一保护模块的第一端和第二保护模块的第一端均与电池300的正极连接，所述第一保护模块的第二端分别与第七开关管Q7的控制端和第八开关管Q8的控制端连接，第八开关管Q8的第一端与电池300的负极连接，第八开关管Q8的第二端与第七开关管Q7的第一端连接，第七开关管Q7的第二端与第五开关管Q5的第一端连接，所述第二保护模块的第二端分别与第五开关管Q5的控制端和第六开关管Q6的控制端连接，第五开关管Q5的第二端与第六开关管Q6的第一端连接，第六开关管Q6的第二端分别与电量计单元100和用电器件400连接。Specifically, the first end of the first protection module and the first end of the second protection module are both connected to the positive electrode of the battery 300, and the second end of the first protection module is respectively connected to the control end of the seventh switch Q7 and the third end of the switch Q7. The control end of the eight switch tube Q8 is connected, the first end of the eighth switch tube Q8 is connected to the negative electrode of the battery 300, the second end of the eighth switch tube Q8 is connected to the first end of the seventh switch tube Q7, and the seventh switch tube Q8 The second end of Q7 is connected to the first end of the fifth switching transistor Q5. The second end of the second protection module is respectively connected to the control end of the fifth switching transistor Q5 and the control end of the sixth switching transistor Q6. The second end of the switching transistor Q5 is connected to the first end of the sixth switching transistor Q6, and the second end of the sixth switching transistor Q6 is connected to the fuel meter unit 100 and the electrical device 400 respectively.
其中，第五开关管Q5、第六开关管Q6、第七开关管Q7和第八开关管Q8均可以是NMOS管(N沟道型场效应管，Metal-Oxide-Semiconductor Field-Effect Transistor,MOSFET)，也可以是其他晶体管，在本申请中的作用为导通或关断的作用。Among them, the fifth switching tube Q5, the sixth switching tube Q6, the seventh switching tube Q7 and the eighth switching tube Q8 can all be NMOS tubes (N-channel field effect tubes, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET ), it can also be other transistors, and its function in this application is to turn on or off.
在本申请的一个可能的实施方式中，电量计单元100包括第一采样输入端子IN1和第二采样输入端子IN2；电子设备还包括：第四电阻R4；第四电阻R4的第一端分别与保护单元的第二端和第一采样输入端子IN1连接，第四电阻R4的第二端分别与第二采样输入端子IN2和用电器件400连接。In a possible implementation of the present application, the fuel gauge unit 100 includes a first sampling input terminal IN1 and a second sampling input terminal IN2; the electronic device further includes: a fourth resistor R4; the first end of the fourth resistor R4 is connected to The second end of the protection unit is connected to the first sampling input terminal IN1, and the second end of the fourth resistor R4 is connected to the second sampling input terminal IN2 and the electrical device 400 respectively.
本申请实施例中，第四电阻R4的作用为采样，即电量计单元100可以利用第四电阻R4进行采样，进而监测电池300的电芯情况。 In the embodiment of the present application, the function of the fourth resistor R4 is sampling, that is, the fuel meter unit 100 can use the fourth resistor R4 to perform sampling, and then monitor the cell condition of the battery 300 .
如图5所示，在本申请的一个可能的实施方式中，第二电量计芯片包括电量计单元100和复位单元700；电子设备还包括第三开关管Q3；第二电量计芯片包括：信号输入引脚(IIC)、激活引脚(Pack)、信号输出引脚(OUT)和控制引脚(SHP)；电量计单元100包括信号输入引脚IIC、激活引脚Pack和信号输出引脚OUT；复位单元700包括控制引脚SHP；信号输入引脚IIC与控制器，即用电器件400的GPIO引脚连接，激活引脚Pack与用电器件400连接，信号输出引脚OUT与第三开关管Q3的控制端连接，控制引脚SHP与电平转化单元200连接，第三开关管Q3的第一端与电池300连接，第三开关管Q3的第二端与用电器件400连接。As shown in Figure 5, in a possible implementation of the present application, the second fuel gauge chip includes a fuel gauge unit 100 and a reset unit 700; the electronic device also includes a third switch transistor Q3; the second fuel gauge chip includes: signal Input pin (IIC), activation pin (Pack), signal output pin (OUT) and control pin (SHP); the fuel gauge unit 100 includes a signal input pin IIC, activation pin Pack and signal output pin OUT ; The reset unit 700 includes a control pin SHP; the signal input pin IIC is connected to the controller, that is, the GPIO pin of the electrical device 400, the activation pin Pack is connected to the electrical device 400, and the signal output pin OUT is connected to the third switch. The control end of the tube Q3 is connected, the control pin SHP is connected to the level conversion unit 200 , the first end of the third switch tube Q3 is connected to the battery 300 , and the second end of the third switch tube Q3 is connected to the electrical device 400 .
其中，电量计单元100的作用还有计算电池300的电芯的荷电状态(state of charge，SOC)/阻抗/容量/健康状态等参数，实现对电芯老化状态的检测。Among them, the fuel gauge unit 100 is also used to calculate the state of charge (SOC)/impedance/capacity/health status and other parameters of the battery cells of the battery 300, so as to detect the aging state of the battery cells.
图5中的电量计增加了控制引脚SHP及与控制引脚SHP连接的电源键500相关电路。具体的，与控制引脚SHP连接的电源键powerkey相关电路如图6所示。本实施例中，电量计单元100内部对应增设的控制引脚SHP增设了SHP模块控制逻辑部分以及连接于控制引脚SHP和SHP模块控制逻辑部分之间的电路结构。The fuel gauge in Figure 5 adds a control pin SHP and a power key 500 related circuit connected to the control pin SHP. Specifically, the circuit related to the power key connected to the control pin SHP is shown in Figure 6. In this embodiment, corresponding to the added control pin SHP inside the fuel gauge unit 100, an SHP module control logic part is added and a circuit structure connected between the control pin SHP and the SHP module control logic part.
具体的，如图6所示，电量计单元100包括处理器微控制单元(Microcontroller Unit，MCU)、存储器、通讯模块、供电模块、***时钟、复合模数转换器(ADC)、库仑计、高端保护开关管(N-MOS)驱动内存转储文件(dump)、SHP模块控制逻辑、第四开关管Q4等相关电路，其中，处理器MCU的第一端分别与存储器、通讯模块、供电模块、***时钟、复合ADC、库仑计、高端保护N-MOS驱动dump连接，处理器MCU的第二端与SHP模块控制逻辑的第一端连接，SHP模块控制逻辑的第二端分别与第四开关管Q4的第一端和参考电压端子Vref连接，第四开关管Q4的第二端与控制引脚SHP连接，各模块的作用本申请不做具体描述，以其实际应用为准。Specifically, as shown in Figure 6, the fuel gauge unit 100 includes a processor microcontroller unit (MCU), memory, communication module, power supply module, system clock, composite analog-to-digital converter (ADC), coulomb counter, high-end The protection switch (N-MOS) drives the memory dump file (dump), SHP module control logic, fourth switch Q4 and other related circuits. Among them, the first end of the processor MCU is connected to the memory, communication module, power supply module, The system clock, composite ADC, coulomb counter, and high-end protection N-MOS driver dump are connected. The second end of the processor MCU is connected to the first end of the SHP module control logic. The second end of the SHP module control logic is connected to the fourth switch tube respectively. The first end of Q4 is connected to the reference voltage terminal Vref, and the second end of the fourth switch Q4 is connected to the control pin SHP. The functions of each module will not be described in detail in this application, and the actual application shall prevail.
值得说明的是，第三开关管Q3可以是NMOS管(N沟道型场效应管，Metal-Oxide-Semiconductor Field-Effect Transistor,MOSFET)，也可以是其他晶体管，在本申请中的作用为导通或关断的作用。It is worth noting that the third switching transistor Q3 can be an NMOS transistor (N-channel field effect transistor, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET) or other transistors, and its role in this application is to conduct On or off function.
也就是说，除了上面实施例中采用复位单元700来进行复位的实施方式外，还可以不增加复位单元700，而是在电量计芯片上增加一个控制引脚SHP以及相关电路来实现复位，该控制引脚SHP由低电平触发，进而可以唤醒电子设备。That is to say, in addition to the implementation of using the reset unit 700 to perform reset in the above embodiment, it is also possible to add a control pin SHP and related circuits to the fuel gauge chip without adding the reset unit 700 to implement the reset. The control pin SHP is triggered by a low level, which can wake up the electronic device.
在本申请的一个可能的实施方式中，电平转化单元200包括：第二二极管D2；第二二极管D2的正极与控制引脚SHP连接，第二二极管的负极分别与电源管理单元600和电源键500的第一端连接。In a possible implementation of the present application, the level conversion unit 200 includes: a second diode D2; the anode of the second diode D2 is connected to the control pin SHP, and the cathode of the second diode is connected to the power supply respectively. The management unit 600 is connected to the first end of the power key 500 .
在第二电量计芯片上增加一个控制引脚SHP来实现复位的情况下，电平转化单元200仅需要一个第二二极管D2即可，其通过电源管理单元600来实现输出高低电平给第二电量计芯片的控制引脚SHP，以控制第三开关管Q3的导通或关断，进而控制是否为用电器件400供电。When a control pin SHP is added to the second fuel gauge chip to implement reset, the level conversion unit 200 only needs a second diode D2, which outputs high and low levels through the power management unit 600. The control pin SHP of the second fuel gauge chip controls the on or off of the third switch Q3, thereby controlling whether to supply power to the electrical device 400.
在本申请实施例中，电子设备的主机端的控制器可以通过第二电量计芯片的信号输入引脚IIC控制电量计单元100进入低功耗状态，降低自身耗电的同时，也可以控制关闭第三开关管Q3，进而关断充电集成电路等的供电通路，避免供电通路器件的耗电。也即，在电子设备处于第一状态的情况下，控制器向信号输入引脚IIC发送第一指令，电量计单元100根据第一指令控制第三开关管Q3关闭，断开与用电器件400的电连接。在用户按压电源键500后，电平转化单元200接地，第二电量计芯片的控制引脚SHP接收到低电平信号，激活第二电量计芯片，退出低功耗状态，激活用电器件400，控制器可以通过通用输入输出口GPIO向复位单元700的控制引脚SHP发送高电平信号，使得第三开关管Q3关闭，此时电子设备处于第二状态。或是在电子设备有充电器接入的情况下，电量计单元100检测到的电压大于激活电压，此时激活第二电量计芯片，退出低功耗状态，激活用电器件400，控制器可以通过通用输入输出口GPIO向复位单元700的控制引脚SHP发送高电平信号，使得第三开关管Q3关闭，此时电子设备处于第二状态。In the embodiment of the present application, the controller on the host side of the electronic device can control the fuel gauge unit 100 to enter a low power consumption state through the signal input pin IIC of the second fuel gauge chip, thereby reducing its own power consumption and also controlling the shutdown of the second fuel gauge chip. The three-switch transistor Q3 then turns off the power supply path of the charging integrated circuit, etc., to avoid power consumption of the power supply path components. That is, when the electronic device is in the first state, the controller sends a first instruction to the signal input pin IIC, and the fuel gauge unit 100 controls the third switch Q3 to close according to the first instruction to disconnect the electrical device 400 electrical connection. After the user presses the power button 500 , the level conversion unit 200 is grounded, and the control pin SHP of the second fuel gauge chip receives a low-level signal, activating the second fuel gauge chip, exiting the low power consumption state, and activating the power device 400 , the controller can send a high-level signal to the control pin SHP of the reset unit 700 through the general-purpose input and output port GPIO, so that the third switch Q3 is turned off, and the electronic device is in the second state at this time. Or when the electronic device is connected to a charger, the voltage detected by the fuel gauge unit 100 is greater than the activation voltage. At this time, the second fuel gauge chip is activated, exits the low power consumption state, and activates the power device 400. The controller can A high-level signal is sent to the control pin SHP of the reset unit 700 through the general-purpose input and output port GPIO, so that the third switch Q3 is turned off. At this time, the electronic device is in the second state.
在本申请的一个可能的实施方式中，电子设备还可以包括：保护单元800；保护单元800的第一端与电池300连接，保护单元800的第二端分别与电量计单元100和用电器件400连接。In a possible implementation of the present application, the electronic device may further include: a protection unit 800; a first end of the protection unit 800 is connected to the battery 300, and a second end of the protection unit 800 is connected to the fuel gauge unit 100 and the electrical device respectively. 400 connections.
也就是说，电子设备还可以包括一个保护单元800，该保护单元800由第一保护模块、第二保护模块及其***器件第五开关管Q5、第六开关管Q6、第七开关管Q7和第八开关管Q8组成，和其他单元配合可以实现过压、欠压、外短路、过流、过温等保护机制以及负载检测功能。其中，保护模块可以为保护芯片。That is to say, the electronic device may also include a protection unit 800, which is composed of a first protection module, a second protection module and its peripheral devices fifth switching tube Q5, sixth switching tube Q6, seventh switching tube Q7 and The eighth switching tube Q8 is composed of, and cooperates with other units to realize overvoltage, undervoltage, external short circuit, overcurrent, overtemperature and other protection mechanisms and load detection functions. The protection module may be a protection chip.
具体连接结构如图4所示，在上述实施例中已经详细描述，本实施例不做赘述。The specific connection structure is shown in Figure 4, which has been described in detail in the above embodiment and will not be described again in this embodiment.
其中，第五开关管Q5、第六开关管Q6、第七开关管Q7和第八开关管Q8均可以是NMOS管(N沟道型场效应管，Metal-Oxide-Semiconductor Field-Effect Transistor,MOSFET)，也可以是其他晶体管，在本申请中的作用为导通或关断的作用。Among them, the fifth switching tube Q5, the sixth switching tube Q6, the seventh switching tube Q7 and the eighth switching tube Q8 can all be NMOS tubes (N-channel field effect tubes, Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET ), it can also be other transistors, and its function in this application is to turn on or off.
在本申请的一个可能的实施方式中，电量计单元100包括第一采样输入端子IN1和第二采样输入端子IN2；电子设备还包括：第四电阻R4；第四电阻R4的第一端分别与保护单元的第二端和第一采样输入端子IN1连接，第四电阻R4的第二端分别与第二采样输入端子IN2和用电器件400连接。In a possible implementation of the present application, the fuel gauge unit 100 includes a first sampling input terminal IN1 and a second sampling input terminal IN2; the electronic device further includes: a fourth resistor R4; the first end of the fourth resistor R4 is connected to The second end of the protection unit is connected to the first sampling input terminal IN1, and the second end of the fourth resistor R4 is connected to the second sampling input terminal IN2 and the electrical device 400 respectively.
本申请实施例中，第四电阻R4的作用为采样，即电量计单元100可以利用第四电阻R4进行采样，进而监测电池300的电芯情况。In the embodiment of the present application, the function of the fourth resistor R4 is sampling, that is, the fuel meter unit 100 can use the fourth resistor R4 to perform sampling, and then monitor the cell condition of the battery 300 .
在本申请的一个可能的实施方式中，电源管理单元600可以包括：第五电阻R5和第三二极管D3；第五电阻R5的第一端与电池转换电压端子VDD连接，第五电阻R5的第二端与第三二极管D3的正极连接，第三二极管D3的负极分别与电平转化单元200的第二端和电源键500的第一端连接。In a possible implementation of the present application, the power management unit 600 may include: a fifth resistor R5 and a third diode D3; the first end of the fifth resistor R5 is connected to the battery conversion voltage terminal VDD, the second end of the fifth resistor R5 is connected to the positive electrode of the third diode D3, and the negative electrode of the third diode D3 is respectively connected to the second end of the level conversion unit 200 and the first end of the power button 500.
在电量计芯片上增加一个控制引脚SHP来实现复位的情况下，电平转化单元200仅需要一个第二二极管即可，其通过电源管理单元600来实现输出高低电平给第二电量计芯片的控制引脚SHP，以控制第三开关管Q3的导通或关断，进而控制是否为用电器件400供电。When a control pin SHP is added to the fuel gauge chip to implement reset, the level conversion unit 200 only needs a second diode, which outputs high and low levels to the second power level through the power management unit 600 The control pin SHP of the chip is used to control the turn-on or turn-off of the third switch Q3, thereby controlling whether to supply power to the electrical device 400.
在本申请实施例中，电子设备处理包括上述器件外，还可以包括显示屏、摄像模组等，本申请中不做具体说明。本申请中的电子设备可以是全面屏手机、平板电脑等设备，具体地本申请中不做详细介绍，以实际情况为准。In this embodiment of the present application, in addition to the above-mentioned devices, the electronic device processing may also include a display screen, a camera module, etc., which will not be described in detail in this application. The electronic devices in this application can be full-screen mobile phones, tablet computers and other devices. Specific details will not be introduced in this application, and the actual situation shall prevail.
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。It should be noted that, in this document, the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or device that includes a series of elements not only includes those elements, It also includes other elements not expressly listed or inherent in the process, method, article or apparatus. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article or apparatus that includes that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions may be performed, for example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的方法。Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence or that contributes to the existing technology. The computer software product is stored in a storage medium (such as ROM/RAM, disk, CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。 The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Inspired by this application, many forms can be made without departing from the purpose of this application and the scope protected by the claims, all of which fall within the protection of this application.

Claims (10)

  1. 一种电子设备，包括：电量计单元、复位单元、电平转化单元、电池、电源管理单元和用电器件；An electronic device, including: a fuel gauge unit, a reset unit, a level conversion unit, a battery, a power management unit and electrical devices;
    所述电量计单元的第一端与所述电池连接，所述电量计单元的第二端与所述用电器件连接，所述电量计单元的第三端与所述复位单元的第一端连接，所述复位单元的第二端与所述电平转化单元的第一端连接，所述电平转化单元的第二端分别与所述电子设备的电源键的第一端和所述电源管理单元连接，所述电源键的第二端接地，其中，所述用电器件包括控制器。The first end of the fuel gauge unit is connected to the battery, the second end of the fuel gauge unit is connected to the electrical device, and the third end of the fuel gauge unit is connected to the first end of the reset unit. connection, the second end of the reset unit is connected to the first end of the level conversion unit, the second end of the level conversion unit is respectively connected to the first end of the power key of the electronic device and the power supply The management unit is connected, and the second end of the power key is connected to ground, wherein the electrical device includes a controller.
  2. 根据权利要求1所述的电子设备，其中，所述复位单元包括复位芯片和第一开关管；The electronic device according to claim 1, wherein the reset unit includes a reset chip and a first switch tube;
    所述复位芯片的电压输入引脚与所述电池连接，所述复位芯片的电压输出引脚与所述用电器件连接，所述复位芯片的复位引脚与所述电平转化单元的第一端连接，所述复位芯片的使能引脚与所述控制器连接，所述复位芯片的输出引脚与所述第一开关管的控制端连接，所述第一开关管的第一端与所述电池连接，所述第一开关管的第二端与所述电量计单元连接。The voltage input pin of the reset chip is connected to the battery, the voltage output pin of the reset chip is connected to the electrical device, and the reset pin of the reset chip is connected to the first pin of the level conversion unit. terminal is connected, the enable pin of the reset chip is connected to the controller, the output pin of the reset chip is connected to the control terminal of the first switch tube, and the first terminal of the first switch tube is connected to The battery is connected, and the second end of the first switch tube is connected to the fuel gauge unit.
  3. 根据权利要求2所述的电子设备，其中，所述复位单元还包括：第一电阻；The electronic device according to claim 2, wherein the reset unit further comprises: a first resistor;
    所述第一电阻的第一端与所述电池连接，所述第一电阻的第二端与所述第一开关管的第一端连接。The first end of the first resistor is connected to the battery, and the second end of the first resistor is connected to the first end of the first switch tube.
  4. 根据权利要求2所述的电子设备，其中，所述电平转化单元包括：第二电阻、第三电阻和第一二极管；The electronic device according to claim 2, wherein the level conversion unit includes: a second resistor, a third resistor and a first diode;
    所述第二电阻的第一端与电池连接，所述第二电阻的第二端分别与所述复位芯片的复位引脚、所述第三电阻的第一端和所述第一二极管的正极连接，所述第一二极管的负极分别与所述电源键的第一端和所述电源管理单元连接，所述第三电阻的第二端和所述电源键的第二端均接地。The first end of the second resistor is connected to the battery, and the second end of the second resistor is connected to the reset pin of the reset chip, the first end of the third resistor and the first diode respectively. The positive electrode of the first diode is connected to the first end of the power button and the power management unit respectively, and the second end of the third resistor and the second end of the power button are both connected. Ground.
  5. 根据权利要求3所述的电子设备，其中，所述电量计单元包括：第一电量计芯片和第二开关管；The electronic device according to claim 3, wherein the fuel gauge unit includes: a first fuel gauge chip and a second switch tube;
    所述第一电量计芯片的信号输入引脚与所述控制器连接，所述第一电量计芯片的激活引脚与所述第一开关管的第二端连接，所述第一电量计芯片的信号输出引脚与所述第二开关管的控制端连接，所述第二开关管的第一端与所述电池连接，所述第二开关管的第二端与所述用电器件连接。The signal input pin of the first fuel meter chip is connected to the controller, the activation pin of the first fuel meter chip is connected to the second end of the first switch tube, the signal output pin of the first fuel meter chip is connected to the control end of the second switch tube, the first end of the second switch tube is connected to the battery, and the second end of the second switch tube is connected to the electrical device.
  6. 根据权利要求1所述的电子设备，其中，第二电量计芯片包括所述电量计单元和所述复位单元；所述电子设备还包括第三开关管；The electronic device according to claim 1, wherein the second fuel gauge chip includes the fuel gauge unit and the reset unit; the electronic device further includes a third switch tube;
    所述第二电量计芯片包括：信号输入引脚、激活引脚、信号输出引脚和控制引脚；所述电量计单元包括所述信号输入引脚、所述激活引脚和所述信号输出引脚；所述复位单元包括所述控制引脚；The second fuel gauge chip includes: a signal input pin, an activation pin, a signal output pin and a control pin; the fuel gauge unit includes the signal input pin, the activation pin and the signal output pin; the reset unit includes the control pin;
    所述信号输入引脚与所述控制器连接，所述激活引脚与所述用电器件连接，所述信号输出引脚与所述第三开关管的控制端连接，所述控制引脚与所述电平转化单元连接，所述第三开关管的第一端与所述电池连接，所述第三开关管的第二端与所述用电器件连接。The signal input pin is connected to the controller, the activation pin is connected to the electrical device, the signal output pin is connected to the control end of the third switch tube, and the control pin is connected to The level conversion unit is connected, the first end of the third switch tube is connected to the battery, and the second end of the third switch tube is connected to the electrical device.
  7. 根据权利要求6所述的电子设备，其中，所述电平转化单元包括：第二二极管；The electronic device according to claim 6, wherein the level conversion unit comprises: a second diode;
    所述第二二极管的正极与所述控制引脚连接，所述第二二极管的负极分别与所述电源管理单元和所述电源键的第一端连接。The anode of the second diode is connected to the control pin, and the cathode of the second diode is connected to the power management unit and the first end of the power key respectively.
  8. 根据权利要求1所述的电子设备，其中，所述电子设备还包括：保护单元；The electronic device according to claim 1, wherein the electronic device further comprises: a protection unit;
    所述保护单元的第一端与所述电池连接，所述保护单元的第二端分别与所述电量计单元和所述用电器件连接。The first end of the protection unit is connected to the battery, and the second end of the protection unit is connected to the electricity meter unit and the electrical device respectively.
  9. 根据权利要求8所述的电子设备，其中，所述电量计单元包括第一采样输入端子和第二采样输入端子；所述电子设备还包括：第四电阻；The electronic device according to claim 8, wherein the fuel gauge unit includes a first sampling input terminal and a second sampling input terminal; the electronic device further includes: a fourth resistor;
    所述第四电阻的第一端分别与所述保护单元的第二端和所述第一采样输入端子连接，所述第四电阻的第二端分别与所述第二采样输入端子和所述用电器件连接。The first end of the fourth resistor is connected to the second end of the protection unit and the first sampling input terminal respectively, and the second end of the fourth resistor is connected to the second sampling input terminal and the first sampling input terminal respectively. Connect with electrical devices.
  10. 根据权利要求1所述的电子设备，其中，所述电源管理单元包括：第五电阻和第三二极管；The electronic device according to claim 1, wherein the power management unit includes: a fifth resistor and a third diode;
    所述第五电阻的第一端与电池转换电压端子连接，所述第五电阻的第二端与所述第三二极管的正极连接，所述第三二极管的负极分别与所述电平转化单元的第二端和所述电源键的第一端连接。 The first end of the fifth resistor is connected to the battery conversion voltage terminal, the second end of the fifth resistor is connected to the anode of the third diode, and the cathode of the third diode is respectively connected to the The second end of the level conversion unit is connected to the first end of the power button.
PCT/CN2023/119605 2022-09-23 2023-09-19 Electronic device WO2024061191A1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005065478A (en) * 2003-07-31 2005-03-10 Sony Corp Power supply controller
CN112886664A (en) * 2021-02-02 2021-06-01 维沃移动通信有限公司 Electronic device
CN214626347U (en) * 2021-04-26 2021-11-05 深圳市卡莱福科技有限公司 Control system of battery protection circuit
CN216146114U (en) * 2021-07-21 2022-03-29 杭州友电科技有限公司 Mobile power supply with low power consumption standby
CN115425716A (en) * 2022-09-23 2022-12-02 维沃移动通信有限公司 Electronic device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005065478A (en) * 2003-07-31 2005-03-10 Sony Corp Power supply controller
CN112886664A (en) * 2021-02-02 2021-06-01 维沃移动通信有限公司 Electronic device
CN214626347U (en) * 2021-04-26 2021-11-05 深圳市卡莱福科技有限公司 Control system of battery protection circuit
CN216146114U (en) * 2021-07-21 2022-03-29 杭州友电科技有限公司 Mobile power supply with low power consumption standby
CN115425716A (en) * 2022-09-23 2022-12-02 维沃移动通信有限公司 Electronic device

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