WO2020063390A1 - 快充电路以及电子烟 - Google Patents

快充电路以及电子烟 Download PDF

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Publication number
WO2020063390A1
WO2020063390A1 PCT/CN2019/106069 CN2019106069W WO2020063390A1 WO 2020063390 A1 WO2020063390 A1 WO 2020063390A1 CN 2019106069 W CN2019106069 W CN 2019106069W WO 2020063390 A1 WO2020063390 A1 WO 2020063390A1
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chip
charging
terminal
fast
data
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PCT/CN2019/106069
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English (en)
French (fr)
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邱伟华
刘魁
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常州市派腾电子技术服务有限公司
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Publication of WO2020063390A1 publication Critical patent/WO2020063390A1/zh

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    • 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

Definitions

  • the utility model relates to the field of electronic equipment, in particular to a fast charging circuit and an electronic cigarette.
  • the electronic device In order to facilitate the portable use of the electronic device, the electronic device is usually provided with a battery assembly capable of being repeatedly charged.
  • a battery assembly capable of being repeatedly charged.
  • the battery components of some electronic devices use multiple batteries in series, such as an electronic cigarette capable of providing heavy smoke (ie, a BOX electronic cigarette).
  • the battery assembly uses multiple batteries in series. Electronic devices require a higher charging current during the charging process to reduce the charging time.
  • the charging circuit of the existing electronic device does not support the fast charging function and cannot improve the charging efficiency, resulting in a slow charging rate of the electronic device.
  • the embodiment of the present invention provides a fast charging circuit and an electronic cigarette.
  • the technical solution is as follows:
  • a fast charging circuit including: a fast charging chip, a charging interface, a boost inductor, and a battery component.
  • the fast charging chip includes at least two charging input terminals, at least two switching pins, and input and output voltages. Detection end, where:
  • the input / output voltage detection terminal of the fast charge chip is connected to a voltage bus terminal of the charging interface to detect an input voltage at the charging interface;
  • the battery voltage detection terminal of the fast charge chip is electrically connected to the battery component to detect the voltage of the battery component, and the battery current detection terminal of the fast charge chip is electrically connected to the at least two switch pins to detect the battery component.
  • the at least two charging input terminals are electrically connected to a voltage bus terminal of the charging interface, and each of the at least two switching pins is electrically connected to the battery component through the boost inductor;
  • the charging interface When the charging interface is connected to an external power source, the current provided by the external power source flows from the voltage bus terminal to the at least two charging input terminals, and the fast charging chip is based on the input voltage at the charging interface.
  • the voltage of the battery component and the charging current control a switching state of a predetermined switching element connected to each of the switching pins, so as to control the fast charging chip to pass the at least two switching pins and the The magnitude of the charging current provided by the piezo inductor to the battery component.
  • the fast charging chip further includes a channel control terminal and a configuration channel signal terminal, where:
  • the path control terminal is connected to a control terminal of a switching element, a first path terminal of the switching element is connected to the at least two charging input terminals, and a second path terminal of the switching element is connected to the charging interface. Voltage bus terminals are connected,
  • the configuration channel signal end of the fast charge chip is connected to the configuration channel signal end of the charging interface
  • the path control terminal controls the first path terminal to conduct conduction with the second path terminal.
  • the fast charge chip includes a first data terminal and a second data terminal, where:
  • a first data terminal of the charging interface is connected to a first data terminal of a data channel switching chip, and a second data terminal of the charging interface is connected to a second data terminal of the data channel switching chip;
  • the first path switching component in the data channel switching chip selects one of a third data terminal and a fourth data terminal of the data channel switching chip to communicate with the first data terminal of the data channel switching chip, and the third The data terminal is connected to the first data terminal of the fast charge chip, and the fourth data terminal is connected to the first data terminal of the controller;
  • the second path switching component When the first path switching component connects the first data terminal of the data channel switching chip with the third data terminal, the second path switching component connects the second data terminal of the data channel switching chip with the third data terminal.
  • the five data terminals are connected, and the fifth data terminal is connected to the second data terminal of the fast charge chip;
  • the second path switching component connects the second data terminal of the data channel switching chip with A sixth data terminal is connected, and the sixth data terminal is connected to the second data terminal of the controller;
  • the control end of the data channel switching chip is connected to the controller; when the data channel switching chip receives a data channel switching instruction sent by the controller, it controls the first path switching component and the first The two-channel switching component switches the channels.
  • each configuration channel of the fast charge chip is grounded through a first filter capacitor.
  • the driving pin of the fast charge chip is connected to the at least two switch pins of the fast charge chip through an energy storage filter capacitor, and between the battery current detection terminal of the fast charge chip and the switch pin An inductor is connected and grounded through a second filter capacitor;
  • a resistor is connected between the battery current detection terminal and the battery component.
  • the resistor is connected in parallel with the first energy storage capacitor and the second energy storage capacitor.
  • the battery component is also grounded through a third filter capacitor.
  • the battery component is connected to the anode of the anti-reverse diode, and the cathode of the anti-reverse diode is further grounded through a fourth filter capacitor.
  • the internal working power terminal of the fast charge chip is grounded through a fifth filter capacitor; and / or,
  • the drive power of the fast charge chip is grounded through a sixth filter capacitor; and / or,
  • At least two charging input terminals of the fast charging chip are grounded through a filter capacitor group, and the filter capacitor group includes at least two filter capacitors connected in parallel; and / or,
  • the voltage bus terminal of the charging interface is grounded through a seventh filter capacitor.
  • a fast charge indicating end of the fast charge chip is electrically connected to an anode of a light emitting diode, and a cathode of the light emitting diode is grounded.
  • an electronic cigarette in a second aspect, includes the first aspect and the fast charging circuit according to any optional implementation manner of the first aspect.
  • the fast charging circuit includes a fast charging chip, a charging interface, a boost inductor, and a battery component.
  • the fast charging chip includes at least two charging input terminals, at least two switching pins, and input and output voltage detection terminals.
  • the input / output voltage detection terminal of the fast charge chip is connected to the voltage bus terminal of the charging interface to detect the input voltage at the charging interface;
  • the battery voltage detection terminal of the fast charge chip is electrically connected to the battery component to detect the voltage of the battery component
  • the battery current detection terminal of the fast charge chip is electrically connected to at least two switch pins to detect the charging current of the battery component;
  • at least two charging input terminals are electrically connected to the voltage bus terminal of the charging interface, and each of the at least two switch pins One is electrically connected to the battery component through a boost inductor; wherein, when the charging interface is connected to an external power source, the current provided by the external power source flows from the voltage bus terminal to the at least two charging input terminals, and the fast charging chip is based on the input voltage at the charging interface.
  • the charging current enables the electronic device to be charged using a power supply higher than 2A; solves the problem of the slow charging rate of the electronic device in the related technology; and achieves the effect of increasing the charging rate of the electronic device.
  • FIG. 1 is a pin schematic diagram of a TYPE_C interface provided in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a fast charging circuit according to an exemplary embodiment of the present invention.
  • FIG. 3 is a schematic diagram of pins of a controller connected to the fast charging circuit according to an exemplary embodiment of the present invention.
  • Fig. 1 is a pin diagram of the TYPE_C interface.
  • TYPE_C supports the positive and negative insertion function.
  • Fig. 2 is a schematic diagram of a fast charging circuit according to an exemplary embodiment of the present invention.
  • the fast charging circuit includes: a fast charging chip, a charging interface, a boost inductor L2, and a battery component (not shown in the figure).
  • the fast charging chip includes at least two charging input terminals and at least two switching pins. Input and output voltage detection terminal, where:
  • the input / output voltage detection terminal of the fast charge chip is connected to the voltage bus terminal of the charging interface to detect the input voltage at the charging interface;
  • the battery voltage detection terminal of the fast charge chip is electrically connected to the battery component to detect the voltage of the battery component.
  • a battery current detection end of the chip is electrically connected to the at least two switch pins to detect a charging current of the battery component;
  • the at least two charging input terminals are electrically connected to the voltage bus terminal of the charging interface, and each of the at least two switching pins is electrically connected to the battery component through a boost inductor L2;
  • the current provided by the external power source flows from the voltage bus terminal of the charging interface to the at least two charging input terminals.
  • the fast charging chip is based on the input voltage at the charging interface, the voltage of the battery component, and the charging current. To control a switching state of a predetermined switching element connected to each switching pin, so as to control a current magnitude of a charging current provided by the fast charge chip to the battery component through the at least two switching pins and the boost inductor.
  • the fast charging chip involved in this application may be a SW6106 chip.
  • the VOUT pin of the fast charging chip U17 is a charging input terminal, and the four voltage bus terminals of the charging interface J2 (including the VBUS1, VBUS2, VBUS3, and VBUS4 pins of the charging interface J2) It is electrically connected to receive the voltage and current input from the charging interface by using at least two VOUT pins of the fast charging chip.
  • the VBUS_C pin of the fast charging chip U17 is the input and output voltage detection terminal and is connected to the voltage bus terminal of the charging interface to detect the input voltage at the charging interface.
  • the BAT pin of the fast charging chip U17 is the battery voltage detection terminal and is connected to the battery.
  • the components are electrically connected.
  • the BAT pin of the fast charge chip U17 receives the voltage VCC_BAR of the battery component to detect the voltage VCC_BAR of the battery component.
  • the BATCSP pin of the fast charge chip is the battery current detection terminal and is connected to the at least two The switch pins SW are electrically connected, and each of the at least two switch pins SW is electrically connected to the battery component through the boost inductor L2 to detect that the fast charge chip is provided to the battery component through the at least two switch pins SW and the boost inductor 12. recharging current.
  • the current provided by the external power source flows from the voltage bus terminal of the charging interface to the at least two charging input terminals.
  • the charging current controls the switching state of a predetermined switching element connected to each switching pin SW in the fast charging chip U17 to control the charging provided by the fast charging chip U17 to the battery component through the at least two switching pins SW and the boost inductor 12 The magnitude of the current.
  • charging is divided into three phases, trickle mode, constant current mode, and constant voltage mode.
  • the fast charge chip enters trickle mode to charge the battery pack at 200MA.
  • the voltage of the battery pack is lower than 3V and greater than 1.5V, the fast charge chip enters trickle mode with the charge current of 300MA.
  • the battery pack is charged; when the battery pack voltage is greater than 3V, the fast charge chip enters the constant current mode and charges the battery pack at full speed according to the target current; when the battery pack voltage rises to the target voltage, the fast charge chip enters the constant voltage mode to charge the battery pack .
  • the fast-charging chip in the fast-charging circuit is provided with at least two charging input terminals to receive a charging current provided by an external power source, the electronic device can be charged using a power supply higher than 2A;
  • the problem that the charging rate of the electronic device is slow in the related art is achieved; the effect of increasing the charging rate of the electronic device is achieved.
  • the fast charge chip further includes a channel control terminal and a configuration channel signal terminal, wherein the channel control terminal is connected to the control terminal of the switching element, and the first channel terminal of the switching element is connected to the at least two charging input terminals,
  • the second path terminal of the switching element is connected to the voltage bus terminal of the charging interface, and the configuration channel signal terminal of the fast charging chip is connected to the configuration channel signal terminal of the charging interface; the fast charging chip detects the charging interface access through the configuration channel signal terminal.
  • the first control terminal and the second control terminal are controlled to be conducted by the path control terminal.
  • the fast charge chip U17 includes 3 channel control terminals and is GATE_A pin, GATE_B pin, and GATE_C pin, and the fast charge chip U17 includes 2 configuration channel signal terminals and CC2 pin and CC1 pin, respectively.
  • the CC1 pin of the fast charging chip U17 is connected to the CC1 pin of the charging interface
  • the CC2 pin of the fast charging chip U17 is connected to the CC2 pin of the charging interface
  • the fast charging chip U17 can be connected through its CC1 pin and CC2 The pin detects whether the charging interface is connected to an external power source.
  • one path control terminal GATE_C of the fast charging chip U17 is connected to the control terminal of the switching element Q1.
  • the first path terminal of the switching element Q1 is connected to the at least two charging input terminals VOUT pins of the fast charging chip U17.
  • the second path terminal of the element Q1 is connected to the voltage bus terminal of the charging interface J2.
  • the GATE_C pin is used to control the conduction of the switching element, so that the at least two charging input terminals VOUT of the fast charging chip
  • the pin is connected to the voltage bus terminal of the charging interface J2 so as to receive the voltage and current provided by the external power source.
  • the switching element Q1 may be, but is not limited to, an NMOS (negative channel, Metal, Oxide, Semiconductor) integrated chip with a model number of DTS2318. Take the switching element as NMOS for example.
  • the GATE_C pin of the control path control terminal outputs a high level to trigger the first path end and the second path of the switching element Q1. The terminal is turned on.
  • each configuration channel of the fast charge chip is grounded through a first filter capacitor.
  • one configuration channel signal terminal CC1 pin of the fast charge chip is grounded through the first filter capacitor C53, and the other configuration channel signal terminal CC2 pin of the fast charge chip is grounded through the first filter capacitor C41.
  • the at least two charging input terminals VOUT pins of the fast charging chip U17 are grounded through a filter capacitor group, and the filter capacitor group includes at least two filter capacitors connected in parallel.
  • the filter capacitor group includes C55, C56, C27, and C18.
  • the voltage bus terminal of the charging interface is grounded through a seventh filter capacitor.
  • the voltage bus terminal of the charging interface (including the VBUS1, VBUS2, VBUS3, and VBUS4 pins of the charging interface J2) is grounded through the seventh filter capacitor C61.
  • the driving pin BST of the fast charge chip U17 is connected to at least two switch pins SW of the fast charge chip U17 through an energy storage filter capacitor C51, and the battery current detection terminal BATCSP of the fast charge chip U17 Connected to ground through the second filter capacitor C35.
  • a resistor R10 is connected between the battery current detection terminal BATCSP of the fast charge chip U17 and the battery component VCC_BAR.
  • the first energy storage capacitor C17, the second energy storage capacitor C52, and the resistor R10 are connected in parallel.
  • the component VCC_BAR is also grounded through the third filter capacitor C44.
  • the battery component VCC_BAR is connected to the anode of the anti-reverse diode D7.
  • the cathode of the anti-reverse diode D7 receives the system power supply voltage VCC_MCU_3V of the controller.
  • C15 is grounded, and anti-reverse diode D7 is used to prevent the battery from discharging to the fast charge chip.
  • the driving power supply VDRD pin of the fast charging chip U17 is grounded through a sixth filter capacitor C40.
  • the light-load current detection pin of the fast charge chip U17 is electrically connected to the at least two charging input terminals VOUT pins of the fast charge chip, and the battery temperature detection end of the fast charge chip U17 passes the heat.
  • the varistor R13 is grounded.
  • the fast charge indication terminal of the fast charge chip is electrically connected to the anode of the light emitting diode, and the cathode of the light emitting diode is grounded.
  • the fast charge indicator terminal and the battery target voltage setting terminal of the fast charge chip are the BSET / HLED pin of the fast charge chip U17.
  • the BSET / HLED pin passes the resistor R15 and the anode of the light-emitting diode D9. Electrically connected, the cathode of light emitting diode D9 is grounded.
  • the light-emitting diode D9 is lighted through the BSET / HLED pin, for example, the high level is output through the BSET / HLED pin.
  • Light-emitting diodes are used to indicate the charging process of the battery. For example, the battery displays red when charging and green when charging is complete.
  • the VCC pin of the internal working power terminal of the fast charging chip U17 is grounded through the fifth filter capacitor ground C54.
  • the fast charging circuit further includes a data channel switching chip U12, a first data terminal pin (including a DM1 pin and a DM2 pin) of the charging interface and a data channel switching chip U12.
  • the first data terminal D-pin is connected
  • the second data terminal (including the DP1 pin and the DP2 pin) of the charging interface is connected to the second data terminal D + pin of the data channel switching chip U12.
  • the third data terminal HSD1- pin of the data channel switching chip U12 is connected to the first data terminal USB_D- of the controller U1 of the controller
  • the fourth data terminal HSD2- pin of the data channel switching chip U12 is connected to the fast charging chip U17.
  • the first data terminal DMA pin is connected; the fifth data terminal HSD1 + pin of the data channel switching chip U12 is connected to the second data terminal USB_D + pin of the controller U1, and the sixth data terminal HSD2 + of the data channel switching chip U12 It is connected to the second data terminal DPA pin of the fast charging chip U17, and the control terminal S pin of the data channel switching chip is connected to the PE13 / SPI0_CLK pin of the controller U1.
  • the first channel switching component in the data channel switching chip U12 selects one of the third data terminal HSD1-pin and the fourth data terminal HSD2-pin of the data channel switching chip U12 and the first data of the data channel switching chip U12. Terminal D-connected; when the first path switching component connects the third data terminal HSD1- pin of the data channel switching chip U12 with the first data terminal D-, the second path switching component switches the fifth data of the data channel switching chip U12 Terminal HSD1 + pin is connected to the second data terminal D +; when the first path switching component connects the fourth data terminal HSD2- pin of the data channel switching chip U12 to the first data terminal D-, the second channel switching component connects the data channel The sixth data terminal HSD2 + pin of the switching chip U12 is connected to the second data terminal D +.
  • the data channel switching chip U12 When the data channel switching chip U12 receives a data channel switching instruction sent by the controller U1, it controls the first path switching component and the second path switching component to switch paths.
  • the first path switching component connects the fourth data terminal HSD2- pin of the data channel switching chip U12 to the first data terminal D-, and the second path switching component leads the sixth data terminal HSD2 + of the data channel switching chip U12.
  • the controller can perform data transmission with an external device through a charging interface or obtain a software upgrade program for upgrading.
  • the GATE_A pin of the fast charge chip U17 is connected to the anode of a diode, the cathode of the diode is grounded through a filter capacitor C19, and the cathode of the diode is also connected to the voltage detection terminal of the fast charge chip's TYPE-A interface (that is, VBUS_A pin).
  • the EPAD pin of the heat-dissipating terminal U17 of the fast-charging chip U17 is grounded.
  • the fast charging chip U17 uses a SW6106 chip
  • the SW6106 chip provides a bidirectional charging function, so the at least two charging input terminals of the fast charging chip U17 are also the output terminals of the boost circuit in the fast charging chip.
  • the charging interface may be a TYPE_C interface.
  • the types of battery components in electronic cigarettes can be lithium batteries, lead-acid batteries, iron-nickel batteries, metal oxide batteries, zinc-silver batteries, zinc-nickel batteries, and other rechargeable batteries that can provide electrical energy.
  • first and second are used for descriptive purposes only, and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features. Therefore, the defined “first” and “second” features may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more.

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Abstract

一种快充电路以及电子烟，属于电子设备领域。所述快充电路中快充芯片（U17）的输入输出电压检测端（VBUS_C）与充电接口（J2）的电压总线端（VBUS1、VBUS2、VBUS3、 VBUS4）相连接以检测充电接口（J2）的输入电压；快充芯片（U17）的电池电压检测端（BAT）与电池组件电连接以检测电池组件电压，快充芯片（U17）的电池电流检测端（BATCSP）与至少两个开关脚（SW）电连接以检测电池组件的充电电流；至少两个充电输入端（VOUT）均与充电接口（J2）的电压总线端（VBUS1、VBUS2、VBUS3、 VBUS4）电连接，该至少两个开关脚（SW）中的每一个通过升压电感（L2）与电池组件电连接；其中，快充芯片（U17）根据充电接口（J2）处的输入电压、电池组件的电压、充电电流，控制与每个开关脚（SW）相连接的预定开关元件的开关状态，以控制通过开关脚（SW）给电池组件提供的充电电流的电流大小；解决了目前电子设备的充电速率缓慢的问题。

Description

快充电路以及电子烟 技术领域
本实用新型涉及电子设备领域，特别涉及一种快充电路以及电子烟。
背景技术
为便于电子设备的便携使用，电子设备中通常设置有能够反复充电的电池组件。目前，一些电子设备的电池组件采用多节电池串联，例如能够提供大烟雾的电子烟(也即，BOX电子烟)。
电池组件采用多节电池串联的电子设备在充电过程中需要较高的充电电流来减少充电时间。现有电子设备的充电电路不支持快速充电功能，无法提高充电效率，导致电子设备的充电速率缓慢。
实用新型内容
为了解决现有技术中电子设备的充电速率缓慢的问题，本实用新型实施例提供了一种快充电路及电子烟。所述技术方案如下：
第一方面，提供了一种快充电路，包括：快充芯片、充电接口、升压电感以及电池组件，所述快充芯片包括至少两个充电输入端、至少两个开关脚、输入输出电压检测端，其中：
所述快充芯片的所述输入输出电压检测端与所述充电接口的电压总线端相连接，以检测所述充电接口处的输入电压；
所述快充芯片的电池电压检测端与所述电池组件电连接以检测所述电池组件的电压，所述快充芯片的电池电流检测端与所述至少两个开关脚电连接以检测所述电池组件的充电电流；
所述至少两个充电输入端均与所述充电接口的电压总线端电连接，所述至少两个开关脚中的每一个通过所述升压电感与所述电池组件电连接；
其中，所述充电接口与外部电源相连接时，所述外部电源提供的电流从所述电压总线端流向所述至少两个充电输入端，所述快充芯片根据所述充电接口 处的输入电压、所述电池组件的电压、所述充电电流，控制与每个所述开关脚相连接的预定开关元件的开关状态，以控制所述快充芯片通过所述至少两个开关脚以及所述升压电感给所述电池组件提供的充电电流的电流大小。
可选的，所述快充芯片还包括通路控制端和配置通道信号端，其中：
所述通路控制端与开关元件的控制端相连接，所述开关元件的第一通路端与所述至少两个充电输入端相连接，所述开关元件的第二通路端与所述充电接口的电压总线端相连接，
所述快充芯片的配置通道信号端与所述充电接口的配置通道信号端相连接；
所述快充芯片通过所述快充芯片的配置通道信号端检测到所述充电接口接入外部电源时，通过所述通路控制端控制所述第一通路端与所述第二通路端导通。
可选的，所述快充芯片包括第一数据端、第二数据端，其中：
所述充电接口的第一数据端与数据通道切换芯片的第一数据端相连接，所述充电接口的第二数据端与所述数据通道切换芯片的第二数据端相连接；
所述数据通道切换芯片内第一通路切换组件从所述数据通道切换芯片的第三数据端、第四数据端中择一与所述数据通道切换芯片的第一数据端连通，所述第三数据端与所述快充芯片的第一数据端相连接，所述第四数据端与控制器的第一数据端相连接；
所述第一通路切换组件将所述数据通道切换芯片的第一数据端与所述第三数据端连通时，所述第二通路切换组件将所述数据通道切换芯片的第二数据端与第五数据端连通，所述第五数据端与所述快充芯片的第二数据端相连接；
所述第一通路切换组件将所述数据通道切换芯片的第一数据端连通与所述第四数据端连通时，所述第二通路切换组件将所述数据通道切换芯片的第二数据端与第六数据端连通，所述第六数据端与控制器的第二数据端相连接；
所述数据通道切换芯片的控制端与所述控制器相连接；所述数据通道切换芯片在接收到所述控制器发送的数据通道切换指令时，控制所述第一通路切换组件以及所述第二通路切换组件切换通路。
可选的，所述快充芯片的每个配置通道信号端通过第一滤波电容接地。
可选的，所述快充芯片的驱动引脚通过储能滤波电容与快充芯片的所述至 少两个开关脚相连接，所述快充芯片的电池电流检测端与所述开关脚之间连接有电感且通过第二滤波电容接地；
所述电池电流检测端与所述电池组件之间连接有电阻，所述电阻与第一储能电容、第二储能电容并联，所述电池组件还通过第三滤波电容接地。
可选的，所述电池组件与防反二极管的阳极相连接，所述防反二极管的阴极还通过第四滤波电容接地。
可选的，所述快充芯片的内部工作电源端通过第五滤波电容接地；和/或，
所述快充芯片的驱动电源通过第六滤波电容接地；和/或，
所述快充芯片的至少两个充电输入端均通过滤波电容组接地，所述滤波电容组中包括至少两个并联的滤波电容；和/或，
所述充电接口的电压总线端通过第七滤波电容接地。
可选的，所述快充芯片的快充指示端与发光二极管的阳极电连接，所述发光二极管的阴极接地。
第二方面，提供了一种电子烟，所述电子烟包括第一方面以及第一方面任一可选实施方式所涉及的快充电路。
本实用新型实施例提供的技术方案带来的有益效果是：
通过提供一种快充电路，该快充电路包括：快充芯片、充电接口、升压电感以及电池组件，快充芯片包括至少两个充电输入端、至少两个开关脚、输入输出电压检测端，其中：快充芯片的输入输出电压检测端与充电接口的电压总线端相连接，以检测充电接口处的输入电压；快充芯片的电池电压检测端与电池组件电连接以检测电池组件的电压，快充芯片的电池电流检测端与至少两个开关脚电连接以检测电池组件的充电电流；至少两个充电输入端均与充电接口的电压总线端电连接，至少两个开关脚中的每一个通过升压电感与电池组件电连接；其中，充电接口与外部电源相连接时，外部电源提供的电流从电压总线端流向该至少两个充电输入端，快充芯片根据充电接口处的输入电压、电池组件的电压、充电电流，控制与每个开关脚相连接的预定开关元件的开关状态，以控制快充芯片通过至少两个开关脚给以及升压电感电池组件提供的充电电流的电流大小；由于快充电路的快充芯片设置了至少两个充电输入端接收外部电源提供的充电电流，使得电子设备能够利用高于2A的供电电源进行充电；解决了相关技术中电子设备的充电速率缓慢的问题；达到了提高电子设备的充电速 率的效果。
附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本实用新型一个实施例中提供的TYPE_C接口的引脚示意图；
图2是本实用新型一示例性实施例示出的一种快充电路的示意图；
图3是本实用新型一示例性实施例示出的与该快充电路相连接的控制器的引脚示意图。
具体实施方式
为使本实用新型的目的、技术方案和优点更加清楚，下面将结合附图对本实用新型实施方式作进一步地详细描述。
请参见图1以及图2，图1为TYPE_C接口的引脚示意图，TYPE_C支持正反插功能。图2是本实用新型一示例性实施例示出的一种快充电路的示意图。如图2所示，该快充电路包括：快充芯片、充电接口、升压电感L2以及电池组件(图中未示出)，快充芯片包括至少两个充电输入端、至少两个开关脚、输入输出电压检测端，其中：
快充芯片的输入输出电压检测端与充电接口的电压总线端相连接，以检测充电接口处的输入电压；快充芯片的电池电压检测端与电池组件电连接以检测电池组件的电压，快充芯片的电池电流检测端与该至少两个开关脚电连接以检测电池组件的充电电流；
该至少两个充电输入端均与充电接口的电压总线端电连接，该至少两个开关脚中的每一个通过升压电感L2与电池组件电连接；
其中，充电接口与外部电源相连接时，外部电源提供的电流从充电接口的电压总线端流向该至少两个充电输入端，快充芯片根据充电接口处的输入电压、电池组件的电压、充电电流，控制与每个开关脚相连接的预定开关元件的开关 状态，以控制快充芯片通过该至少两个开关脚以及所述升压电感给电池组件提供的充电电流的电流大小。
可选的，本申请所涉及的快充芯片可以为SW6106芯片。举例来讲，如图2所示，快充芯片U17的VOUT引脚为充电输入端，与充电接口J2的四个电压总线端(包括充电接口J2的VBUS1、VBUS2、VBUS3、VBUS4引脚)均电连接，以利用快充芯片的至少两个VOUT引脚接收从充电接口处输入的电压以及电流。快充芯片U17的VBUS_C引脚为输入输出电压检测端且与充电接口的电压总线端相连接，以检测充电接口处的输入电压；快充芯片U17的BAT引脚为电池电压检测端且与电池组件电连接，如图2所示，快充芯片U17的BAT引脚接收电池组件的电压VCC_BAR以检测电池组件的电压VCC_BAR，快充芯片的BATCSP引脚为电池电流检测端且与该至少两个开关脚SW电连接，该至少两个开关脚SW中的每一个通过升压电感L2与电池组件电连接，以检测快充芯片通过该至少两个开关脚SW以及升压电感12向电池组件提供充电电流。
其中，充电接口与外部电源相连接时，外部电源提供的电流从充电接口的电压总线端流向该至少两个充电输入端，快充芯片U17根据充电接口处的输入电压、电池组件的电压VCC_BAR、充电电流，控制快充芯片U17内与每个开关脚SW相连接的预定开关元件的开关状态，以控制快充芯片U17通过该至少两个开关脚SW以及升压电感12给电池组件提供的充电电流的电流大小。
具体的，充电分为3个阶段，涓流模式、恒流模式和恒压模式。电池组件的电压达到1.5V时快充芯片进入涓流模式以充电电流为200MA给电池组件充电，电池组件的电压低于3V且大于1.5V时快充芯片进入涓流模式以充电电流为300MA给电池组件充电；电池组件的电压大于3V时，快充芯片进入恒流模式，按照目标电流给电池组件全速充电；电池组件的电压上升到目标电压时，快充芯片进入恒压模式给电池组件充电。
本实用新型提供的快充电路中，由于该快充电路中快充芯片设置了至少两个充电输入端接收外部电源提供的充电电流，使得电子设备能够利用高于2A的供电电源进行充电；解决了相关技术中电子设备的充电速率缓慢的问题；达到了提高电子设备的充电速率的效果。
可选的，快充芯片还包括通路控制端和配置通道信号端，其中：通路控制 端与开关元件的控制端相连接，开关元件的第一通路端与该至少两个充电输入端相连接，开关元件的第二通路端与充电接口的电压总线端相连接，快充芯片的配置通道信号端与充电接口的配置通道信号端相连接；快充芯片通过配置通道信号端检测到充电接口接入外部电源时，通过通路控制端控制第一通路端与第二通路端导通。
举例来讲，快充芯片U17包括3个通路控制端且分别为GATE_A引脚、GATE_B引脚、GATE_C引脚，快充芯片U17包括2个配置通道信号端且分别为CC2引脚、CC1引脚。其中，快充芯片U17的CC1引脚与充电接口的CC1引脚相连接，快充芯片U17的CC2引脚与充电接口的CC2引脚相连接，快充芯片U17可通过其CC1引脚以及CC2引脚检测充电接口是否与外部电源连接。
而且，快充芯片U17的一个通路控制端GATE_C与开关元件Q1的控制端相连接，开关元件Q1的第一通路端与快充芯片U17的该至少两个充电输入端VOUT引脚相连接，开关元件Q1的第二通路端与充电接口J2的电压总线端相连接。快充芯片U17通过其CC1引脚或CC2引脚检测到充电接口与外部电源连接时，通过通路控制端GATE_C引脚控制开关元件导通，从而使得快充芯片的该至少两个充电输入端VOUT引脚与充电接口J2的电压总线端导通以便接收外部电源提供的电压以及电流。
可选的，开关元件Q1可以但不限于是型号为DTS2318的NMOS(negative channel Metal Oxide Semiconductor)管集成芯片。以开关元件为NMOS来进行举例说明，快充芯片U17在检测到充电接口与外部电源连接时，控制通路控制端GATE_C引脚输出高电平以触发开关元件Q1的第一通路端与第二通路端导通。
可选的，快充芯片的每个配置通道信号端通过第一滤波电容接地。举例来讲，快充芯片的一个配置通道信号端CC1引脚通过第一滤波电容C53接地，快充芯片的另一个配置通道信号端CC2引脚通过第一滤波电容C41接地。
可选的，快充芯片U17的该至少两个充电输入端VOUT引脚通过滤波电容组接地，滤波电容组中包括至少两个并联的滤波电容。举例来讲，如图2所示，该滤波电容组包括C55、C56、C27、C18。
可选的，充电接口的电压总线端通过第七滤波电容接地。举例来讲，如图2所示，充电接口的电压总线端(包括充电接口J2的VBUS1、VBUS2、VBUS3、 VBUS4引脚)通过第七滤波电容C61接地。
可选的，如图2所示，快充芯片U17的驱动引脚BST通过储能滤波电容C51与快充芯片U17的至少两个开关脚SW相连接，快充芯片U17的电池电流检测端BATCSP通过第二滤波电容C35接地。
可选的，如图2所示，快充芯片U17的电池电流检测端BATCSP与电池组件VCC_BAR之间连接有电阻R10，第一储能电容C17、第二储能电容C52以及电阻R10并联，电池组件VCC_BAR还通过第三滤波电容C44接地。
可选的，如图2所示，电池组件VCC_BAR与防反二极管D7的阳极相连接，防反二极管D7的阴极接收控制器的***供电电压VCC_MCU_3V，防反二极管D7的阴极还通过第四滤波电容C15接地，防反二极管D7用于防止电池向快充芯片放电。
可选的，如图2所示，快充芯片U17的驱动电源VDRD引脚通过第六滤波电容C40接地。
可选的，如图2所示，快充芯片U17的轻载电流检测引脚与快充芯片的该至少两个充电输入端VOUT引脚电连接，快充芯片U17的电池温度检测端通过热敏电阻R13接地。
可选的，快充芯片的快充指示端与发光二极管的阳极电连接，发光二极管的阴极接地。举例来讲，如图2所示，快充芯片的快充指示端以及电池目标电压设置端为快充芯片U17的BSET/HLED引脚，BSET/HLED引脚通过电阻R15与发光二极管D9的阳极电连接，发光二极管D9的阴极接地。在实际实现时，快充芯片U17给电池组件快充过程中，通过BSET/HLED引脚点亮发光二极管D9，例如通过BSET/HLED引脚输出高电平。发光二极管用于指示电池的充电进程，例如电池充电时显示红色，充电完成时显示绿色。
可选的，快充芯片U17的内部工作电源端VCC引脚通过第五滤波电容接地C54接地。
可选的，请结合图2以及图3，该快充电路还包括数据通道切换芯片U12，充电接口的第一数据端引脚(包括DM1引脚和DM2引脚)与数据通道切换芯片U12的第一数据端D-引脚相连接，充电接口的第二数据端(包括DP1引脚和DP2引脚)与数据通道切换芯片U12的第二数据端D+引脚相连接。数据通道切换芯片U12的第三数据端HSD1-引脚与控制器的控制器U1的第一数据端 USB_D-相连接，数据通道切换芯片U12的第四数据端HSD2-引脚与快充芯片U17的第一数据端DMA引脚相连接；数据通道切换芯片U12的第五数据端HSD1+引脚与控制器U1的第二数据端USB_D+引脚相连接，数据通道切换芯片U12的第六数据端HSD2+与快充芯片U17的第二数据端DPA引脚相连接，数据通道切换芯片的控制端S引脚与控制器U1的PE13/SPI0_CLK引脚相连接。
其中，数据通道切换芯片U12内第一通路切换组件从数据通道切换芯片U12的第三数据端HSD1-引脚、第四数据端HSD2-引脚中择一与数据通道切换芯片U12的第一数据端D-连通；第一通路切换组件将数据通道切换芯片U12的第三数据端HSD1-引脚与第一数据端D-连接时，第二通路切换组件将数据通道切换芯片U12的第五数据端HSD1+引脚与第二数据端D+连接；第一通路切换组件将数据通道切换芯片U12的第四数据端HSD2-引脚与第一数据端D-连接时，第二通路切换组件将数据通道切换芯片U12的第六数据端HSD2+引脚与第二数据端D+连接。
数据通道切换芯片U12在接收到控制器U1发送的数据通道切换指令时，控制第一通路切换组件以及第二通路切换组件切换通路。例如，在第一通路切换组件将数据通道切换芯片U12的第四数据端HSD2-引脚与第一数据端D-连接，第二通路切换组件将数据通道切换芯片U12的第六数据端HSD2+引脚与第二数据端D+连接的情况下，控制器可通过充电接口与外部设备进行数据传输或者获取软件升级程序进行升级。
可选的，快充芯片U17的GATE_A引脚与一个二极管阳极相连接，该二极管的阴极通过滤波电容C19接地，该二极管的阴极还与快充芯片的TYPE-A接口电压检测端(也即，VBUS_A引脚)。
可选的，快充芯片U17的散热端EPAD引脚接地。
另外，需要说明的是：在快充芯片U17采用SW6106芯片时，由于SW6106芯片提供双向充电功能，因此快充芯片U17的该至少两个充电输入端也是快充芯片内升压电路的输出端。
可选的，充电接口可以是TYPE_C接口。
此外，在本实用新型实施例中。电子烟中电池组件的类型可以为锂电池、铅酸蓄电池、铁镍蓄电池、金属氧化物蓄电池、锌银蓄电池、锌镍蓄电池等等能提供电能的可充电电池。
术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或隐含所指示的技术特征的数量。由此，限定的“第一”、“第二”的特征可以明示或隐含地包括一个或者更多个该特征。在本实用新型的描述中，除非另有说明，“多个”的含义是两个或两个以上。
以上，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专业的技术人员，在不脱离本发明技术方案范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (9)

  1. 一种快充电路，其特征在于，包括：快充芯片、充电接口、升压电感以及电池组件，所述快充芯片包括至少两个充电输入端、至少两个开关脚、输入输出电压检测端，其中：
    所述快充芯片的所述输入输出电压检测端与所述充电接口的电压总线端相连接，以检测所述充电接口处的输入电压；
    所述快充芯片的电池电压检测端与所述电池组件电连接以检测所述电池组件的电压，所述快充芯片的电池电流检测端与所述至少两个开关脚电连接以检测所述电池组件的充电电流；
    所述至少两个充电输入端均与所述充电接口的电压总线端电连接，所述至少两个开关脚中的每一个通过所述升压电感与所述电池组件电连接；
    其中，所述充电接口与外部电源相连接时，所述外部电源提供的电流从所述电压总线端流向所述至少两个充电输入端，所述快充芯片根据所述充电接口处的输入电压、所述电池组件的电压、所述充电电流，控制与每个所述开关脚相连接的预定开关元件的开关状态，以控制所述快充芯片通过所述至少两个开关脚以及所述升压电感给所述电池组件提供的充电电流的电流大小。
  2. 根据权利要求1所述的快充电路，其特征在于，所述快充芯片还包括通路控制端和配置通道信号端，其中：
    所述通路控制端与开关元件的控制端相连接，所述开关元件的第一通路端与所述至少两个充电输入端相连接，所述开关元件的第二通路端与所述充电接口的电压总线端相连接，
    所述快充芯片的配置通道信号端与所述充电接口的配置通道信号端相连接；
    所述快充芯片通过所述快充芯片的配置通道信号端检测到所述充电接口接入外部电源时，通过所述通路控制端控制所述第一通路端与所述第二通路端导通。
  3. 根据权利要求1所述的快充电路，其特征在于，所述快充芯片包括第一 数据端、第二数据端，其中：
    所述充电接口的第一数据端与数据通道切换芯片的第一数据端相连接，所述充电接口的第二数据端与所述数据通道切换芯片的第二数据端相连接；
    所述数据通道切换芯片内第一通路切换组件从所述数据通道切换芯片的第三数据端、第四数据端中择一与所述数据通道切换芯片的第一数据端连通，所述第三数据端与所述快充芯片的第一数据端相连接，所述第四数据端与控制器的第一数据端相连接；
    所述第一通路切换组件将所述数据通道切换芯片的第一数据端与所述第三数据端连通时，第二通路切换组件将所述数据通道切换芯片的第二数据端与第五数据端连通，所述第五数据端与所述快充芯片的第二数据端相连接；
    所述第一通路切换组件将所述数据通道切换芯片的第一数据端连通与所述第四数据端连通时，所述第二通路切换组件将所述数据通道切换芯片的第二数据端与第六数据端连通，所述第六数据端与控制器的第二数据端相连接；
    所述数据通道切换芯片的控制端与所述控制器相连接；所述数据通道切换芯片在接收到所述控制器发送的数据通道切换指令时，控制所述第一通路切换组件以及所述第二通路切换组件切换通路。
  4. 根据权利要求2所述的快充电路，其特征在于，所述快充芯片的每个配置通道信号端通过第一滤波电容接地。
  5. 根据权利要求1所述的快充电路，其特征在于，
    所述快充芯片的驱动引脚通过储能滤波电容与快充芯片的所述至少两个开关脚相连接，所述快充芯片的电池电流检测端与所述开关脚之间连接有电感且通过第二滤波电容接地；
    所述电池电流检测端与所述电池组件之间连接有电阻，所述电阻与第一储能电容、第二储能电容并联，所述电池组件还通过第三滤波电容接地。
  6. 根据权利要求1所述的快充电路，其特征在于，所述电池组件与防反二极管的阳极相连接，所述防反二极管的阴极还通过第四滤波电容接地。
  7. 根据权利要求1所述的快充电路，其特征在于，所述快充芯片的内部工作电源端通过第五滤波电容接地；和/或，
    所述快充芯片的驱动电源通过第六滤波电容接地；和/或，
    所述快充芯片的所述至少两个充电输入端均通过滤波电容组接地，所述滤波电容组中包括至少两个并联的滤波电容；和/或，
    所述充电接口的电压总线端通过第七滤波电容接地。
  8. 根据权利要求1所述的快充电路，其特征在于，所述快充芯片的快充指示端与发光二极管的阳极电连接，所述发光二极管的阴极接地。
  9. 一种电子烟，其特征在于，所述电子烟包括如权利要求1至8任一所述的快充电路。
PCT/CN2019/106069 2018-09-27 2019-09-17 快充电路以及电子烟 WO2020063390A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN208923859U (zh) * 2018-09-27 2019-05-31 常州市派腾电子技术服务有限公司 快充电路以及电子烟
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104348192A (zh) * 2013-07-23 2015-02-11 惠州市吉瑞科技有限公司 一种电子烟usb充电器
CN205319745U (zh) * 2016-01-07 2016-06-15 深圳市施美乐科技股份有限公司 电子烟草蒸发器充电电路及电子烟
CN208923859U (zh) * 2018-09-27 2019-05-31 常州市派腾电子技术服务有限公司 快充电路以及电子烟

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104348192A (zh) * 2013-07-23 2015-02-11 惠州市吉瑞科技有限公司 一种电子烟usb充电器
CN205319745U (zh) * 2016-01-07 2016-06-15 深圳市施美乐科技股份有限公司 电子烟草蒸发器充电电路及电子烟
CN208923859U (zh) * 2018-09-27 2019-05-31 常州市派腾电子技术服务有限公司 快充电路以及电子烟

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"PD-Supported Multi-Protocol Bidirectional Fast Charging Mobile Power Solution", ELECFANS, 21 June 2018 (2018-06-21), pages 1 - 4 ; 8-16, Retrieved from the Internet <URL:www.elecfans.com/tags/sw6106/> *

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