CN204068318U - A kind of dual output charging control circuit and portable power source - Google Patents
A kind of dual output charging control circuit and portable power source Download PDFInfo
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- CN204068318U CN204068318U CN201420376195.5U CN201420376195U CN204068318U CN 204068318 U CN204068318 U CN 204068318U CN 201420376195 U CN201420376195 U CN 201420376195U CN 204068318 U CN204068318 U CN 204068318U
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Abstract
The utility model is applicable to field of power supplies, provides a kind of dual output charging control circuit and portable power source, comprising: USB power source input interface; Constant-current constant-voltage charging circuit, its input is connected with the output of USB power source input interface, and its output is connected with charging battery core; Control logic circuit, its Enable Pin is connected with the control end of USB power source input interface, and its feedback end is connected with the test side of constant-current constant-voltage charging circuit; First via DC-DC booster circuit, its input is connected with the output of constant-current constant-voltage charging circuit, and its output exports the first charging current; Second tunnel DC-DC booster circuit, its input is connected with the output of constant-current constant-voltage charging circuit, and its output exports the second charging current.The utility model produces a rising edge when accessing charging, thus wake-up circuit enters mode of operation, operating voltage is converted to two-way and exports, and a road is used for for low current charges such as mobile phones, and another road is that large current charge equipment is powered.
Description
Technical field
The utility model belongs to field of power supplies, particularly relates to a kind of dual output charging control circuit and portable power source.
Background technology
Developing rapidly along with integrated circuit at present, the function also variation day by day of digital product, what more and more relied in the life of modern people that these digital products bring is convenient, but, along with the frequent use of digital product, such as travel, the charger such as meeting is at one's side or under inconvenient charge condition, need in order to the normal use of digital product can be kept to be charged whenever and wherever possible or standby power by the power supply of portable power source logarithmic code product.
But, the charging current of the mobile devices such as usual mobile phone is mostly 1A, and the charging current of the equipment such as panel computer is mostly 2.1A, and current portable power source mostly is the single channel or doubleway output that only can export 1A or 2A charging current, therefore user is caused to need to carry multiple portable power source, to be multiple charging of mobile devices, carry very inconvenient.
Utility model content
The object of the utility model embodiment is to provide a kind of dual output charging control circuit, is intended to solve at present for the problem that the safety of the product recorded without the shelf-life is preserved.
The utility model embodiment is achieved in that a kind of dual output charging control circuit, and described dual output charging control circuit is connected with USB power source and rechargeable battery, and described dual output charging control circuit comprises:
Obtain charging operating voltage, and generate the USB power source input interface of charge pulse signal according to described charging operating voltage, described USB power source input interface is connected with USB power source;
The constant-current constant-voltage charging circuit of described rechargeable battery charging that to be the charging voltage of constant voltage and the charging current of constant current by described charging work voltage transitions be, the input of described constant-current constant-voltage charging circuit is connected with the output of described USB power source input interface, and the output of described constant-current constant-voltage charging circuit is connected with the positive pole of described rechargeable battery;
Rear detection described constant-current constant-voltage charging circuit is waken up to the charging process of described rechargeable battery by described charge pulse signal, and generate the control logic circuit of charging detection signal, the Enable Pin of described control logic circuit is connected with the control end of described USB power source input interface, the feedback end of described control logic circuit is connected with the test side of described constant-current constant-voltage charging circuit, and the power end of described control logic circuit is connected with the output of described constant-current constant-voltage charging circuit;
The voltage of described rechargeable battery or described charging voltage are boosted, and export the first via DC-DC booster circuit of the first charging current, the input of described first via DC-DC booster circuit is connected with the output of described constant-current constant-voltage charging circuit, the Enable Pin of described first via DC-DC booster circuit is connected with the selecting side of described control logic circuit, the control end of described first via DC-DC booster circuit is connected with the first control end of described control logic circuit, the output of described first via DC-DC booster circuit is the first load outputs of described dual output charging control circuit,
The voltage of described charging battery core or described charging voltage are boosted, and export the second tunnel DC-DC booster circuit of the second charging current, the input of described second tunnel DC-DC booster circuit is connected with the output of described constant-current constant-voltage charging circuit, the Enable Pin of described second tunnel DC-DC booster circuit is connected with the selecting side of described control logic circuit, the described control end of the second tunnel DC-DC booster circuit is connected with the second control end of described control logic circuit, the output of described second tunnel DC-DC booster circuit is the second load outputs of described dual output charging control circuit.
Further, described dual output charging control circuit also comprises:
Protect the battery protecting circuit of described rechargeable battery, the positive input of described battery protecting circuit is connected with the output of described constant-current constant-voltage charging circuit, and the reverse input end of described battery protecting circuit is connected with the negative pole of described rechargeable battery.
Closer, described dual output charging control circuit also comprises:
Carry out the battery capacity indication circuit of capacity prompt according to described charging detection signal, the input of described battery capacity indication circuit is connected with the prompting output of described control logic circuit.
Closer, described dual output charging control circuit also comprises:
There is provided the lighting circuit of lighting source according to user instruction, the input of described lighting circuit is connected with the output of described constant-current constant-voltage charging circuit, and the control end of described lighting circuit is connected with the illumination output of described control logic circuit.
Closer, described USB power source input interface comprises:
Resistance R1, resistance R7 and first interface;
One end of described resistance R1 is input and the output of described USB power source input interface simultaneously, be connected with the power end of described first interface, the address choice end of described first interface and earth terminal ground connection simultaneously, the other end of described resistance R1 is that the control end of described USB power source input interface is connected with one end of described resistance R7, the other end ground connection of described resistance R7.
Closer, described control logic circuit comprises:
Resistance R20, resistance R21, resistance R33, resistance R35, electric capacity C16, electric capacity C17, switch, controlled rectifier device and first processor;
One end of described resistance R20 is the output of described control logic circuit, the other end of described resistance R20 is connected with the first interface the 5th (PA4) of described first processor, the other end of described resistance R20 is also by described switch ground connection, the Enable Pin that the first interface the 4th (PA3) of described first processor is described control logic circuit, the second control end that the first interface the 3rd (PA2) of described first processor is described control logic circuit, the first control end that the first interface second (PA1) of described first processor is described control logic circuit, the feedback end that the first interface the 6th (PA5) of described first processor is described control logic circuit, the selecting side that the first interface the 7th (PA6) of described first processor is described control logic circuit, the first interface the 8th (PA7) of described first processor is connected with one end of described resistance R21, the other end of described resistance R21 is the output of described control logic circuit, the first interface the 8th (PA7) of described first processor is also by described electric capacity C17 ground connection, the power end of described first processor is that the output of described control logic circuit is by described electric capacity C16 ground connection, the earth terminal ground connection of described first processor, the 6th, second interface (PB5) of described first processor is connected with one end of described resistance R33, the other end of described resistance R33 simultaneously with the negative electrode of described controlled rectifier device, the control end of described controlled rectifier device is connected with one end of described resistance R35, the other end of described resistance R35 and the anode of described controlled rectifier device ground connection simultaneously, the other end of described resistance R33 is also connected with the first interface first (PA0) of described first processor, the illumination output that the 5th, second interface (PB4) of described first processor is described control logic circuit, the first indication output end that first, second interface (PB0) of described first processor is described control logic circuit, the second indication output end that second interface second (PB1) of described first processor is described control logic circuit, the 3rd indication output end that the 3rd, second interface (PB2) of described first processor is described control logic circuit, the 4th indication output end that the 4th, second interface (PB3) of described first processor is described control logic circuit.
Closer, described constant-current constant-voltage charging circuit comprises:
Resistance R4, resistance R8, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 and power conversion chip;
The power end of described power conversion chip is that the input of described constant-current constant-voltage charging circuit is respectively by described electric capacity C2, described electric capacity C3 ground connection, the power end of described power conversion chip is also connected with one end of described resistance R4, the other end of described resistance R4 is that the test side of described constant-current constant-voltage charging circuit is connected with the standby end STDYB of described power conversion chip, the power end of described power conversion chip is also connected with the Enable Pin CE of described power conversion chip, the earth terminal of described power conversion chip and temperature detection end TEMP ground connection simultaneously, the battery terminal connections BAT of described power conversion chip is that the output of described constant-current constant-voltage charging circuit is respectively by described electric capacity C1, described electric capacity C4 ground connection, the reset terminal POEG of described power conversion chip is by described resistance R8 ground connection.
Closer, described first via DC-DC booster circuit comprises:
Resistance R17, resistance R18, resistance R19, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R29, resistance R32, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C18, inductance L 2, diode D3, the first direct current conversion chip, the 9th switch module and the second interface;
The power end of described first direct current conversion chip is that the input of described first via DC-DC booster circuit is respectively by described electric capacity C12, described electric capacity C13 ground connection, the Enable Pin of described first direct current conversion chip is that the Enable Pin of described first via DC-DC booster circuit is by described resistance R25 ground connection, the earth terminal ground connection of described first direct current conversion chip, the power end of described first direct current conversion chip is also connected with one end of described inductance L 2, the other end of described inductance L 2 is connected with the inductance end of described first direct current conversion chip and the anode of described diode D3 simultaneously, the negative electrode of described diode D3 is connected with one end of described resistance R17, the other end of described resistance R17 is connected with the feedback end of described first direct current conversion chip and one end of described resistance R22 simultaneously, the other end ground connection of described resistance R22, not connecting of described first direct current conversion chip is held by described resistance R26 ground connection, the negative electrode of described diode D3 is also respectively by described electric capacity C14, described electric capacity C15 ground connection, the negative electrode of described diode D3 is also connected with the power end of described second interface, with one end of described resistance R18 while that the power end of described second interface being the forward output of described first via DC-DC booster circuit, one end of described resistance R19 connects, the other end of described resistance R18 is connected with the reverse data end of described second interface and one end of described resistance R23 simultaneously, the other end of described resistance R19 is connected with the forward data end of described second interface and one end of described resistance R24 simultaneously, the other end of described resistance R23 is all connected with the earth terminal of described second interface with the other end of described resistance R24, the earth terminal of described second interface is that the inverse output terminal of described first via DC-DC booster circuit is also connected with one end of described resistance R29 and one end of described resistance R32 simultaneously, the other end of described resistance R29 is that the control end of described first via DC-DC booster circuit is by described electric capacity C18 ground connection, the other end of described resistance R32 drains with second of described 9th switch module and is connected, the first grid of described 9th switch module, second grid is all connected with the Enable Pin of described first direct current conversion chip, first source electrode of described 9th switch module, second source electrode is ground connection simultaneously.
Closer, described second tunnel DC-DC booster circuit comprises:
Resistance R3, resistance R9, resistance R13, resistance R14, resistance R15, resistance R16, resistance R37, electric capacity C5, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C19, diode D1, diode D2, inductance L 1, second direct current conversion chip, the 3rd switch module, the 7th switch module and the 3rd interface;
The power end of described second direct current conversion chip is the input of described second tunnel DC-DC booster circuit, be connected with one end of described electric capacity C5 and one end of inductance L 1 simultaneously, the other end ground connection of described electric capacity C5, the other end of described inductance L 1 drains with first of described 3rd switch module simultaneously, second drain electrode connects, the other end of described inductance L 1 is also connected with the anode of described diode D1 and the anode of described diode D2 simultaneously, the negative electrode of described diode D1 is all connected with the output of described second direct current conversion chip by described resistance R3 with the negative electrode of described diode D2, the output of described second direct current conversion chip is also by described resistance R9 ground connection, the power end of described second direct current conversion chip is also by described electric capacity C10 ground connection, the earth terminal ground connection of described second direct current conversion chip, the expansion end of described second direct current conversion chip simultaneously with the first grid of described 3rd switch module, second gate extremely connects, first source electrode of described 3rd switch module, second source electrode is ground connection simultaneously, the switch terminals of described second direct current conversion chip is that the Enable Pin of described second tunnel DC-DC booster circuit is by described resistance R16 ground connection, the negative electrode of described diode D1 is also respectively by electric capacity C7, described electric capacity C8, described electric capacity C9 ground connection, the power end of described 3rd interface is connected with one end of described electric capacity C19 and the negative electrode of described diode D2 while of being the forward output of described second tunnel DC-DC booster circuit, the reverse data end of described 3rd interface is connected with the forward data end of described 3rd interface by described resistance R37, drain with the other end of described electric capacity C19 and second of described 7th switch module while that the earth terminal of described 3rd interface being the inverse output terminal of described second tunnel DC-DC booster circuit and be connected, the first grid of described 7th switch module, second grid is all connected with the switch terminals of described second direct current conversion chip, first source electrode of described 7th switch module, second source electrode is connected with one end of described resistance R13 simultaneously, one end of described resistance R13 is also respectively by described resistance R14, described resistance R15 ground connection, the other end of described resistance R13 is that the control end of described second tunnel DC-DC booster circuit is by described electric capacity C11 ground connection.
Another object of the utility model embodiment is to provide a kind of portable power source adopting above-mentioned dual output charging control circuit.
The utility model embodiment can produce a rising edge when accessing charging, thus wake control logic circuit up and enter mode of operation, operating voltage is converted to two-way to export, a road is applied to the low current charge of most mobile phone, and another road can power for IPAD or large current charge equipment.
Accompanying drawing explanation
The structure chart of the dual output charging control circuit that Fig. 1 provides for the utility model embodiment;
The structure chart of the preferred dual output charging control circuit that Fig. 2 provides for the utility model embodiment;
The few examples circuit structure diagram of the dual output charging control circuit that Fig. 3 provides for the utility model embodiment;
The exemplary circuit structure chart of first via DC-DC booster circuit in the dual output charging control circuit that Fig. 4 provides for the utility model embodiment;
The exemplary circuit structure chart of the second tunnel DC-DC booster circuit in the dual output charging control circuit that Fig. 5 provides for the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment can produce a rising edge when accessing charging, thus wake control logic circuit up and enter mode of operation, operating voltage is converted to two-way to export, a road is applied to the low current charge of most mobile phone, and another road can power for IPAD or large current charge equipment.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail:
Fig. 1 shows the structure of the dual output charging control circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
The dual output charging control circuit provided as the utility model embodiment can be applied in any portable power source, and dual output charging control circuit is connected with USB power source and rechargeable battery, comprising:
Obtain charging operating voltage, and generate the USB power source input interface 11 of charge pulse signal according to charging operating voltage, USB power source input interface 11 is connected with USB power source;
The constant-current constant-voltage charging circuit 12 of rechargeable battery charging that to be the charging voltage of constant voltage and the charging current of constant current by charging work voltage transitions be, the input of constant-current constant-voltage charging circuit 12 is connected with the output of USB power source input interface 11, and the output of constant-current constant-voltage charging circuit 12 is connected with the positive pole B+ of rechargeable battery;
Waken up the charging process of rear detection constant-current constant-voltage charging circuit 12 pairs of rechargeable batteries by charge pulse signal, and generate the control logic circuit 13 of charging detection signal, the Enable Pin of control logic circuit 13 is connected with the control end of USB power source input interface 11, the feedback end of control logic circuit 13 is connected with the test side of constant-current constant-voltage charging circuit 12, and the power end of control logic circuit 13 is connected with the output of constant-current constant-voltage charging circuit 12;
The voltage of rechargeable battery or charging voltage are boosted, and export the first via DC-DC booster circuit 14 of the first charging current, the input of first via DC-DC booster circuit 14 is connected with the output of constant-current constant-voltage charging circuit 12, the Enable Pin of first via DC-DC booster circuit 14 is connected with the selecting side of control logic circuit 13, the control end of first via DC-DC booster circuit 14 is connected with the first control end of control logic circuit 13, and the output of first via DC-DC booster circuit 14 is the first load outputs of dual output charging control circuit;
The charging voltage of battery core or charging voltage are boosted, and export the second tunnel DC-DC booster circuit 15 of the second charging current, the input of the second tunnel DC-DC booster circuit 15 is connected with the output of constant-current constant-voltage charging circuit 12, the Enable Pin of the second tunnel DC-DC booster circuit 15 is connected with the selecting side of control logic circuit 13, the control end of the second tunnel DC-DC booster circuit 15 is connected with the second control end of control logic circuit 13, and the output of the second tunnel DC-DC booster circuit 15 is the second load outputs of dual output charging control circuit.
In the utility model embodiment, the outside charging operating voltage that 5V is provided to portable power source by USB power source input interface 11, when accessing charging, USB power source input interface 11 can produce a rising edge INT, this rising edge can allow the single-chip microcomputer in control logic circuit 13 produce interruption from sleep pattern and wake up and enter normal mode of operation, and 5V operating voltage converts 4.2V voltage (VB+) to lithium ion battery constant-current constant-voltage charging by constant-current constant-voltage charging circuit 12 simultaneously.
In charging normal, the test side of constant-current constant-voltage charging circuit 12 exported the detection signal STDYB for high level, the detection signal STDYB that test side exports when battery core is full of changes low level into, after control logic circuit 13 detects the change of this level, user's portable power source can be pointed out own through being full of.
Control logic circuit 13 selects output channel by the first control signal AN1, the second control signal AN2, and carried out voltage transitions by switching signal ON/OFF control by the output channel selected and export charging current, as two-way independently DC-DC boosting output circuit, wherein first via DC-DC booster circuit 14 exports first charging current of 5V1A, be applied to the low current charge of most mobile phone, second tunnel DC-DC booster circuit 15 exports second charging current of 5V2.1A, can power for IPAD or large current charge equipment.
The utility model embodiment can produce a rising edge when accessing charging, thus wake control logic circuit up and enter mode of operation, operating voltage is converted to two-way to export, a road is applied to the low current charge of most mobile phone, and another road can power for IPAD or large current charge equipment.
Fig. 2 shows the structure of the preferred dual output charging control circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
As the utility model one embodiment, this dual output charging control circuit also comprises:
The battery protecting circuit 16 of protection rechargeable battery, the positive input of battery protecting circuit 16 is connected with the output of constant-current constant-voltage charging circuit 12, and the reverse input end of battery protecting circuit 16 is connected with the negative pole B-of rechargeable battery.
The switch module that this battery protecting circuit 16 comprises special lithium electric protection chip and is made up of two low pressure N-channel MOS pipes, has and overcharges, and crosses and puts, overcurrent, the function of short-circuit protection.
As the utility model one preferred embodiment, in order to the real-time residual capacity pointing out portable power source to user, this dual output charging control circuit can also comprise:
Carry out the battery capacity indication circuit 17 of capacity prompt according to charging detection signal, the input of battery capacity indication circuit 17 is connected with the prompting output of control logic circuit 13.
And the lighting demand that user has in specific environment, this dual output charging control circuit can also comprise:
There is provided the lighting circuit 18 of lighting source according to user instruction, the input of lighting circuit 18 is connected with the output of constant-current constant-voltage charging circuit 12, and the control end of lighting circuit 18 is connected with the illumination output of control logic circuit 13.
Fig. 3 shows the few examples circuit structure of the dual output charging control circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
As the utility model one embodiment, USB power source input interface 11 comprises:
Resistance R1, resistance R7 and first interface J1;
One end of resistance R1 is input and the output of USB power source input interface 11 simultaneously, be connected with the power end VCC of first interface J1, the address choice end ID of first interface J1 and earth terminal ground connection simultaneously, the other end of resistance R1 is that the control end of USB power source input interface 11 is connected with one end of resistance R7, the other end ground connection of resistance R7.
Wherein, first interface J1 can adopt the USB interface of standard, preferably can also adopt MICRO USB interface.
Constant-current constant-voltage charging circuit 12 comprises:
Resistance R4, resistance R8, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 and power conversion chip U1;
The power end VCC of power conversion chip U1 is that the input of constant-current constant-voltage charging circuit 12 is respectively by electric capacity C2, electric capacity C3 ground connection, the power end VCC of power conversion chip U1 is also connected with one end of resistance R4, and the other end of resistance R4 is the test side of constant-current constant-voltage charging circuit 12 and the standby end of power conversion chip U1
connect, the power end VCC of power conversion chip U1 is also connected with the Enable Pin CE of power conversion chip U1, the earth terminal VSS of power conversion chip U1 and temperature detection end TEMP is ground connection simultaneously, the battery terminal connections BAT of power conversion chip U1 be the output of constant-current constant-voltage charging circuit 12 respectively by electric capacity C1, electric capacity C4 ground connection, the reset terminal POEG of power conversion chip U1 is by resistance R8 ground connection.
As the utility model one embodiment, power conversion chip U1 can be one linear constant current-constant voltage (CC-CV) charging chip.
Control logic circuit 13 comprises:
Resistance R20, resistance R21, resistance R33, resistance R35, electric capacity C16, electric capacity C17, interrupteur SW 1, controlled rectifier device U10 and first processor IC1;
One end of resistance R20 is the output of control logic circuit 13, the other end of resistance R20 and the first interface of first processor IC1 the 5th PA4 is connected, the other end of resistance R20 is also by interrupteur SW 1 ground connection, first interface the 4th PA3 of first processor IC1 is the Enable Pin of control logic circuit 13, first interface the 3rd PA2 of first processor IC1 is the second control end of control logic circuit 13, the first interface second PA1 of first processor IC1 is the first control end of control logic circuit 13, first interface the 6th PA5 of first processor IC1 is the feedback end of control logic circuit 13, first interface the 7th PA6 of first processor IC1 is the selecting side of control logic circuit 13, first interface the 8th PA7 of first processor IC1 is connected with one end of resistance R21, the other end of resistance R21 is the output of control logic circuit 13, first interface the 8th PA7 of first processor IC1 is also by electric capacity C17 ground connection, the power end VDD of first processor IC1 is that the output of control logic circuit 13 is by electric capacity C16 ground connection, the earth terminal VSS ground connection of first processor IC1, the second interface the 6th PB5 of first processor IC1 is connected with one end of resistance R33, the other end of resistance R33 simultaneously with the negative electrode of controlled rectifier device U10, the control end of controlled rectifier device U10 is connected with one end of resistance R35, the other end of resistance R35 and the anode of controlled rectifier device U10 ground connection simultaneously, the other end of resistance R33 is also connected with first interface first PA0 of first processor IC1, the second interface the 5th PB4 of first processor IC1 is the illumination output of control logic circuit 13, the second interface first PB0 of first processor IC1 is the first indication output end of control logic circuit 13, the second interface second PB1 of first processor IC1 is the second indication output end of control logic circuit 13, the second interface the 3rd PB2 of first processor IC1 is the 3rd indication output end of control logic circuit 13, the second interface the 4th PB3 of first processor IC1 is the 4th indication output end of control logic circuit 13.
As the utility model one embodiment, controlled rectifier device U10 can adopt a voltage-stabiliser tube to realize, and first processor IC1 can adopt the process chip of an inner 12-Bit AD high precision analogue modular converter, so that the voltage of Real-time Collection battery core in working order.
In the utility model embodiment, in the unloaded state, when inserting USB power source and charging, portable power source enters charged state, and after USB power source is extracted, portable power source exits charge mode and enters sleep pattern.
The utility model embodiment can also realize electric power detection:
Click button portable power source display current residual electricity, and open output and power to the load;
When not detecting that load or load current are less than 50mA in 20 seconds, portable power source cuts out output automatically, and enters power saving sleep pattern.
Battery protecting circuit 16 comprises:
Resistance R2, resistance R12, electric capacity C6, the 11 switch module U11, twelvemo close module U12, the 13 switch module U13 and power protection chip U2;
One end of resistance R2 is the positive input of battery protecting circuit 16, the other end of resistance R2 is connected with one end of electric capacity C6 and the power end VDD of power protection chip U2 simultaneously, the other end of electric capacity C6 is that the reverse input end of battery protecting circuit 16 is connected with the earth terminal VSS of power protection chip U2, the charging and discharging currents test side VM of power protection chip U2 is by resistance R12 ground connection, the control of discharge end DO of power protection chip U2 simultaneously with the 11 switch module U11, twelvemo closes module U12, the first grid G1 of the 13 switch module U13 holds and connects, the charging control end CO of power protection chip U2 simultaneously with the 11 switch module U11, twelvemo closes module U12, the second grid G2 of the 13 switch module U13 holds and connects, 11 switch module U11, twelvemo closes module U12, first source S 1 end of the 13 switch module U13 is all connected with the other end of electric capacity C6, 11 switch module U11, twelvemo closes module U12, the second source S 2 end ground connection simultaneously of the 13 switch module U13.
This battery protecting circuit 16 has following defencive function:
| Defencive function | Protective condition | Protection delay time | Recover condition |
| Over-charge protective voltage | 4.3V±0.025V | 2.0s±0.5s | 4.1V±0.05V |
| Cross prevention voltage | 2.40V±0.05V | 2.0s±0.5s | 3.0V±0.1V |
| Charge over-current | 2.0A～5.0A | 2.0s±0.5s | Unloaded 0.3 ~ 3min |
| Put an overcurrent | 3A±1V | 3.0s±0.5s | Unloaded 0.3 ~ 3min |
| Short-circuit protection | By P+, P-short circuit | MAX600us | Unloaded 0.3 ~ 3min |
Battery capacity indication circuit 17 comprises:
Resistance R27, resistance R28, resistance R30, resistance R31, LED 1, LED 2, LED 3, LED 4;
The anode of LED 1 is the first input end of battery capacity indication circuit 17, the negative electrode of LED 1 is connected with one end of resistance R27, the other end ground connection of resistance R27, the anode of LED 2 is the second input of battery capacity indication circuit 17, the negative electrode of LED 2 is connected with one end of resistance R28, the other end ground connection of resistance R28, the anode of LED 3 is the 3rd input of battery capacity indication circuit 17, the negative electrode of LED 3 is connected with one end of resistance R30, the other end ground connection of resistance R30, the anode of LED 4 is the four-input terminal of battery capacity indication circuit 17, the negative electrode of LED 4 is connected with one end of resistance R31, the other end ground connection of resistance R31.
The utility model embodiment can also realize unloaded function of automatically closing output, after control logic circuit 13 detects to be full of electricity, close output, and when battery core voltage drops to below 3.3V, low by LED1 flash for prompting electricity.
Battery capacity indication circuit 17 has four LED and carries out electric quantity display function, is specially:
Charging display:
Electricity is 0 ~ 24% time, and LED1 glimmers;
Electricity is 25 ~ 49% time, and LED1 Chang Liang, LED2 glimmer;
Electricity is 50 ~ 74% time, and LED1, LED2 Chang Liang, LED3 glimmer;
Electricity is 75 ~ 99% time, and LED1, LED2, LED3 Chang Liang, LED4 glimmer;
Electricity after 100%, LED1, LED2, LED3, LED4 Chang Liang.
Electric discharge display:
Electricity 100 ~ 75% time, LED1, LED2, LED3, LED4 Chang Liang;
Electricity 74 ~ 50% time, LED1, LED2, LED3 Chang Liang;
Electricity 49 ~ 25% time, LED1, LED2 Chang Liang;
Electricity 24 ~ 0% time, LED1 Chang Liang.
Lighting circuit 18 comprises:
Resistance R34, resistance R36, LED 6 and the first switching tube Q1;
One end of resistance R36 is the input of lighting circuit 18, the other end of resistance R36 is connected with the anode of LED 6, the negative electrode of LED 6 is connected with the input of the first switching tube Q1, the output head grounding of the first switching tube Q1, the control end of the first switching tube Q1 is connected with one end of resistance R34, and the other end of resistance R34 is the control end of lighting circuit 18.
Fig. 4 shows the exemplary circuit structure of first via DC-DC booster circuit in the dual output charging control circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
As the utility model one embodiment, first via DC-DC booster circuit 14 comprises:
Resistance R17, resistance R18, resistance R19, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R29, resistance R32, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C18, inductance L 2, diode D3, the first direct current conversion chip U8, the 9th switch module U9 and the second interface J2;
The power end VCC of the first direct current conversion chip U8 is that the input of first via DC-DC booster circuit 14 is respectively by electric capacity C12, electric capacity C13 ground connection, the Enable Pin EN of the first direct current conversion chip U8 is that the Enable Pin of first via DC-DC booster circuit 14 is by resistance R25 ground connection, the earth terminal GND ground connection of the first direct current conversion chip U8, the power end VCC of the first direct current conversion chip U8 is also connected with one end of inductance L 2, the other end of inductance L 2 is connected with the inductance end LX of the first direct current conversion chip U8 and the anode of diode D3 simultaneously, the negative electrode of diode D3 is connected with one end of resistance R17, the other end of resistance R17 is connected with the feedback end FB of the first direct current conversion chip U8 and one end of resistance R22 simultaneously, the other end ground connection of resistance R22, first direct current conversion chip U8 does not connect end NC by resistance R26 ground connection, the negative electrode of diode D3 is also respectively by electric capacity C14, electric capacity C15 ground connection, the negative electrode of diode D3 is also connected with the power end VCC of the second interface J2, with one end of resistance R18 while that the power end VCC of the second interface J2 being the forward output of first via DC-DC booster circuit 14, one end of resistance R19 connects, the other end of resistance R18 is connected with the reverse data end D-of the second interface J2 and one end of resistance R23 simultaneously, the other end of resistance R19 is connected with the forward data end D+ of the second interface J2 and one end of resistance R24 simultaneously, the other end of resistance R23 is all connected with the earth terminal GND of the second interface J2 with the other end of resistance R24, the earth terminal GND of the second interface J2 is that the inverse output terminal of first via DC-DC booster circuit 14 is also connected with one end of resistance R29 and one end of resistance R32 simultaneously, the other end of resistance R29 is that the control end of first via DC-DC booster circuit 14 is by electric capacity C18 ground connection, the other end of resistance R32 drains with second of the 9th switch module U9 and is connected, the G1 of the 9th switch module U9, G2 end is all connected with the Enable Pin of the first direct current conversion chip U8, first source S 1 of U9, second source S 2 is ground connection simultaneously.
Fig. 5 shows the exemplary circuit structure of the second tunnel DC-DC booster circuit in the dual output charging control circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
As the utility model one embodiment, the second tunnel DC-DC booster circuit 15 comprises:
Resistance R3, resistance R9, resistance R13, resistance R14, resistance R15, resistance R16, resistance R37, electric capacity C5, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C19, diode D1, diode D2, inductance L 1, second direct current conversion chip U4, the 3rd switch module U3, the 7th switch module U7 and the 3rd interface J3;
The power end VDD of the second direct current conversion chip U4 is the input of the second tunnel DC-DC booster circuit 15, be connected with one end of electric capacity C5 and one end of inductance L 1 simultaneously, the other end ground connection of electric capacity C5, the other end of inductance L 1 simultaneously with first drain D 1 of the 3rd switch module U3, second drain D 2 connects, the other end of inductance L 1 is also connected with the anode of diode D1 and the anode of diode D2 simultaneously, the negative electrode of diode D1 and the negative electrode of diode D2 are all connected with the output VOUT of the second direct current conversion chip U4 by resistance R3, the output VOUT of the second direct current conversion chip U4 is also by resistance R9 ground connection, the power end VDD of the second direct current conversion chip U4 is also by electric capacity C10 ground connection, the earth terminal VSS ground connection of the second direct current conversion chip U4, the expansion end EXT of the second direct current conversion chip U4 simultaneously with the first grid G1 of the 3rd switch module U3, second grid G2 connects, first source S 1 of the 3rd switch module U3, second source S 2 is ground connection simultaneously, the switch terminals ON/OFF of the second direct current conversion chip U4 is that the Enable Pin of the second tunnel DC-DC booster circuit 15 is by resistance R16 ground connection, the negative electrode of diode D1 is also respectively by electric capacity C7, electric capacity C8, electric capacity C9 ground connection, the power end VCC of the 3rd interface J3 is connected with one end of electric capacity C19 and the negative electrode of diode D2 while of being the forward output of the second tunnel DC-DC booster circuit 15, the reverse data end D-of the 3rd interface J3 is connected with the forward data end D+ of the 3rd interface J3 by resistance R37, the earth terminal GND of the 3rd interface J3 is connected with the other end of electric capacity C19 and second drain D 2 end of the 7th switch module U7 while of being the inverse output terminal of the second tunnel DC-DC booster circuit 15, the first grid G1 of the 7th switch module U7, second grid G2 is all connected with the switch terminals ON/OFF of the second direct current conversion chip U4, first source S 1 of the 7th switch module U7, second source S 2 is connected with one end of resistance R13 simultaneously, one end of resistance R13 is also respectively by resistance R14, resistance R15 ground connection, the other end of resistance R13 is that the control end of the second tunnel DC-DC booster circuit 15 is by electric capacity C11 ground connection.
As the utility model one embodiment, 3rd switch module U3, the 7th switch module U7, the 9th switch module U9, the 11 switch module U11, twelvemo close module U12, the 13 switch module U13 all can adopt that two low pressure N-channel MOS pipes are closed envelopes is that a chips realizes, to improve current driving ability, and reduce chip area and cost.
In the utility model embodiment, the two-way output parameter table of this dual output charging control circuit is as follows:
The utility model embodiment can maximum environment for use scope be:
| Working temperature | -40℃～85℃ |
| Ambient humidity | ＜85％RH |
| Storage environment temperature | -40℃～125℃ |
| Storage environment humidity | ＜85％RH |
| P+ and P-maximum voltage | VSS(-0.3V)～(+10V) |
Another object of the utility model embodiment is to provide a kind of portable power source adopting above-mentioned dual output charging control circuit.
The utility model embodiment can produce a rising edge when accessing charging; thus wake control logic circuit up and enter mode of operation; operating voltage is converted to two-way to export; one tunnel is applied to the low current charge of most mobile phone; another road can power for IPAD or large current charge equipment; the utility model embodiment also have overcharge, cross put, the function of overcurrent, short-circuit protection, and can by the residual capacity of battery capacity indication circuit real-time prompting portable power source.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a dual output charging control circuit, described dual output charging control circuit is connected with USB power source and rechargeable battery, it is characterized in that, described dual output charging control circuit comprises:
Obtain charging operating voltage, and generate the USB power source input interface of charge pulse signal according to described charging operating voltage, described USB power source input interface is connected with USB power source;
The constant-current constant-voltage charging circuit of described rechargeable battery charging that to be the charging voltage of constant voltage and the charging current of constant current by described charging work voltage transitions be, the input of described constant-current constant-voltage charging circuit is connected with the output of described USB power source input interface, and the output of described constant-current constant-voltage charging circuit is connected with the positive pole of described rechargeable battery;
Rear detection described constant-current constant-voltage charging circuit is waken up to the charging process of described rechargeable battery by described charge pulse signal, and generate the control logic circuit of charging detection signal, the Enable Pin of described control logic circuit is connected with the control end of described USB power source input interface, the feedback end of described control logic circuit is connected with the test side of described constant-current constant-voltage charging circuit, and the power end of described control logic circuit is connected with the output of described constant-current constant-voltage charging circuit;
The voltage of described rechargeable battery or described charging voltage are boosted, and export the first via DC-DC booster circuit of the first charging current, the input of described first via DC-DC booster circuit is connected with the output of described constant-current constant-voltage charging circuit, the Enable Pin of described first via DC-DC booster circuit is connected with the selecting side of described control logic circuit, the control end of described first via DC-DC booster circuit is connected with the first control end of described control logic circuit, the output of described first via DC-DC booster circuit is the first load outputs of described dual output charging control circuit,
The voltage of described charging battery core or described charging voltage are boosted, and export the second tunnel DC-DC booster circuit of the second charging current, the input of described second tunnel DC-DC booster circuit is connected with the output of described constant-current constant-voltage charging circuit, the Enable Pin of described second tunnel DC-DC booster circuit is connected with the selecting side of described control logic circuit, the described control end of the second tunnel DC-DC booster circuit is connected with the second control end of described control logic circuit, the output of described second tunnel DC-DC booster circuit is the second load outputs of described dual output charging control circuit.
2. dual output charging control circuit as claimed in claim 1, it is characterized in that, described dual output charging control circuit also comprises:
Protect the battery protecting circuit of described rechargeable battery, the positive input of described battery protecting circuit is connected with the output of described constant-current constant-voltage charging circuit, and the reverse input end of described battery protecting circuit is connected with the negative pole of described rechargeable battery.
3. dual output charging control circuit as claimed in claim 1, it is characterized in that, described dual output charging control circuit also comprises:
Carry out the battery capacity indication circuit of capacity prompt according to described charging detection signal, the input of described battery capacity indication circuit is connected with the prompting output of described control logic circuit.
4. dual output charging control circuit as claimed in claim 1, it is characterized in that, described dual output charging control circuit also comprises:
There is provided the lighting circuit of lighting source according to user instruction, the input of described lighting circuit is connected with the output of described constant-current constant-voltage charging circuit, and the control end of described lighting circuit is connected with the illumination output of described control logic circuit.
5. dual output charging control circuit as claimed in claim 1, it is characterized in that, described USB power source input interface comprises:
Resistance R1, resistance R7 and first interface;
One end of described resistance R1 is input and the output of described USB power source input interface simultaneously, be connected with the power end of described first interface, the address choice end of described first interface and earth terminal ground connection simultaneously, the other end of described resistance R1 is that the control end of described USB power source input interface is connected with one end of described resistance R7, the other end ground connection of described resistance R7.
6. dual output charging control circuit as claimed in claim 1, it is characterized in that, described control logic circuit comprises:
Resistance R20, resistance R21, resistance R33, resistance R35, electric capacity C16, electric capacity C17, switch, controlled rectifier device and first processor;
One end of described resistance R20 is the output of described control logic circuit, the other end of described resistance R20 is connected with the first interface the 5th (PA4) of described first processor, the other end of described resistance R20 is also by described switch ground connection, the Enable Pin that the first interface the 4th (PA3) of described first processor is described control logic circuit, the second control end that the first interface the 3rd (PA2) of described first processor is described control logic circuit, the first control end that the first interface second (PA1) of described first processor is described control logic circuit, the feedback end that the first interface the 6th (PA5) of described first processor is described control logic circuit, the selecting side that the first interface the 7th (PA6) of described first processor is described control logic circuit, the first interface the 8th (PA7) of described first processor is connected with one end of described resistance R21, the other end of described resistance R21 is the output of described control logic circuit, the first interface the 8th (PA7) of described first processor is also by described electric capacity C17 ground connection, the power end of described first processor is that the output of described control logic circuit is by described electric capacity C16 ground connection, the earth terminal ground connection of described first processor, the 6th, second interface (PB5) of described first processor is connected with one end of described resistance R33, the other end of described resistance R33 simultaneously with the negative electrode of described controlled rectifier device, the control end of described controlled rectifier device is connected with one end of described resistance R35, the other end of described resistance R35 and the anode of described controlled rectifier device ground connection simultaneously, the other end of described resistance R33 is also connected with the first interface first (PA0) of described first processor, the illumination output that the 5th, second interface (PB4) of described first processor is described control logic circuit, the first indication output end that first, second interface (PB0) of described first processor is described control logic circuit, the second indication output end that second interface second (PB1) of described first processor is described control logic circuit, the 3rd indication output end that the 3rd, second interface (PB2) of described first processor is described control logic circuit, the 4th indication output end that the 4th, second interface (PB3) of described first processor is described control logic circuit.
7. dual output charging control circuit as claimed in claim 1, it is characterized in that, described constant-current constant-voltage charging circuit comprises:
Resistance R4, resistance R8, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 and power conversion chip;
The power end of described power conversion chip is that the input of described constant-current constant-voltage charging circuit is respectively by described electric capacity C2, described electric capacity C3 ground connection, the power end of described power conversion chip is also connected with one end of described resistance R4, the other end of described resistance R4 is that the test side of described constant-current constant-voltage charging circuit is connected with the standby end STDYB of described power conversion chip, the power end of described power conversion chip is also connected with the Enable Pin CE of described power conversion chip, the earth terminal of described power conversion chip and temperature detection end TEMP ground connection simultaneously, the battery terminal connections BAT of described power conversion chip is that the output of described constant-current constant-voltage charging circuit is respectively by described electric capacity C1, described electric capacity C4 ground connection, the reset terminal POEG of described power conversion chip is by described resistance R8 ground connection.
8. dual output charging control circuit as claimed in claim 1, it is characterized in that, described first via DC-DC booster circuit comprises:
Resistance R17, resistance R18, resistance R19, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R29, resistance R32, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C18, inductance L 2, diode D3, the first direct current conversion chip, the 9th switch module and the second interface;
The power end of described first direct current conversion chip is that the input of described first via DC-DC booster circuit is respectively by described electric capacity C12, described electric capacity C13 ground connection, the Enable Pin of described first direct current conversion chip is that the Enable Pin of described first via DC-DC booster circuit is by described resistance R25 ground connection, the earth terminal ground connection of described first direct current conversion chip, the power end of described first direct current conversion chip is also connected with one end of described inductance L 2, the other end of described inductance L 2 is connected with the inductance end of described first direct current conversion chip and the anode of described diode D3 simultaneously, the negative electrode of described diode D3 is connected with one end of described resistance R17, the other end of described resistance R17 is connected with the feedback end of described first direct current conversion chip and one end of described resistance R22 simultaneously, the other end ground connection of described resistance R22, not connecting of described first direct current conversion chip is held by described resistance R26 ground connection, the negative electrode of described diode D3 is also respectively by described electric capacity C14, described electric capacity C15 ground connection, the negative electrode of described diode D3 is also connected with the power end of described second interface, with one end of described resistance R18 while that the power end of described second interface being the forward output of described first via DC-DC booster circuit, one end of described resistance R19 connects, the other end of described resistance R18 is connected with the reverse data end of described second interface and one end of described resistance R23 simultaneously, the other end of described resistance R19 is connected with the forward data end of described second interface and one end of described resistance R24 simultaneously, the other end of described resistance R23 is all connected with the earth terminal of described second interface with the other end of described resistance R24, the earth terminal of described second interface is that the inverse output terminal of described first via DC-DC booster circuit is also connected with one end of described resistance R29 and one end of described resistance R32 simultaneously, the other end of described resistance R29 is that the control end of described first via DC-DC booster circuit is by described electric capacity C18 ground connection, the other end of described resistance R32 drains with second of described 9th switch module and is connected, the first grid of described 9th switch module, second grid is all connected with the Enable Pin of described first direct current conversion chip, first source electrode of described 9th switch module, second source electrode is ground connection simultaneously.
9. dual output charging control circuit as claimed in claim 1, it is characterized in that, described second tunnel DC-DC booster circuit comprises:
Resistance R3, resistance R9, resistance R13, resistance R14, resistance R15, resistance R16, resistance R37, electric capacity C5, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C19, diode D1, diode D2, inductance L 1, second direct current conversion chip, the 3rd switch module, the 7th switch module and the 3rd interface;
The power end of described second direct current conversion chip is the input of described second tunnel DC-DC booster circuit, be connected with one end of described electric capacity C5 and one end of inductance L 1 simultaneously, the other end ground connection of described electric capacity C5, the other end of described inductance L 1 drains with first of described 3rd switch module simultaneously, second drain electrode connects, the other end of described inductance L 1 is also connected with the anode of described diode D1 and the anode of described diode D2 simultaneously, the negative electrode of described diode D1 is all connected with the output of described second direct current conversion chip by described resistance R3 with the negative electrode of described diode D2, the output of described second direct current conversion chip is also by described resistance R9 ground connection, the power end of described second direct current conversion chip is also by described electric capacity C10 ground connection, the earth terminal ground connection of described second direct current conversion chip, the expansion end of described second direct current conversion chip simultaneously with the first grid of described 3rd switch module, second gate extremely connects, first source electrode of described 3rd switch module, second source electrode is ground connection simultaneously, the switch terminals of described second direct current conversion chip is that the Enable Pin of described second tunnel DC-DC booster circuit is by described resistance R16 ground connection, the negative electrode of described diode D1 is also respectively by electric capacity C7, described electric capacity C8, described electric capacity C9 ground connection, the power end of described 3rd interface is connected with one end of described electric capacity C19 and the negative electrode of described diode D2 while of being the forward output of described second tunnel DC-DC booster circuit, the reverse data end of described 3rd interface is connected with the forward data end of described 3rd interface by described resistance R37, drain with the other end of described electric capacity C19 and second of described 7th switch module while that the earth terminal of described 3rd interface being the inverse output terminal of described second tunnel DC-DC booster circuit and be connected, the first grid of described 7th switch module, second grid is all connected with the switch terminals of described second direct current conversion chip, first source electrode of described 7th switch module, second source electrode is connected with one end of described resistance R13 simultaneously, one end of described resistance R13 is also respectively by described resistance R14, described resistance R15 ground connection, the other end of described resistance R13 is that the control end of described second tunnel DC-DC booster circuit is by described electric capacity C11 ground connection.
10. a portable power source, is characterized in that, described portable power source comprises the dual output charging control circuit as described in any one of claim 1 to 9.
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| CN201420376195.5U CN204068318U (en) | 2014-07-08 | 2014-07-08 | A kind of dual output charging control circuit and portable power source |
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| CN201420376195.5U CN204068318U (en) | 2014-07-08 | 2014-07-08 | A kind of dual output charging control circuit and portable power source |
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| CN204068318U true CN204068318U (en) | 2014-12-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106100074A (en) * | 2016-08-24 | 2016-11-09 | 广州市晨威电子科技有限公司 | A kind of constant pressure and constant flow control device based on current driving circuit |
| CN106774764A (en) * | 2016-12-05 | 2017-05-31 | 青岛海信移动通信技术股份有限公司 | The implementation method and USB power source of multiple feed USB interface |
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| CN108575030A (en) * | 2017-03-14 | 2018-09-25 | 上海巍立智能科技有限公司 | Portable lamp and its control method |
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| CN110739732A (en) * | 2018-07-20 | 2020-01-31 | 炬芯（珠海）科技有限公司 | Portable electronic equipment, chip, charging system and charging method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106100074A (en) * | 2016-08-24 | 2016-11-09 | 广州市晨威电子科技有限公司 | A kind of constant pressure and constant flow control device based on current driving circuit |
| CN106100074B (en) * | 2016-08-24 | 2024-05-14 | 广州市晨威电子科技有限公司 | Constant voltage and constant current control device based on current drive circuit |
| CN106774764A (en) * | 2016-12-05 | 2017-05-31 | 青岛海信移动通信技术股份有限公司 | The implementation method and USB power source of multiple feed USB interface |
| CN106774764B (en) * | 2016-12-05 | 2019-12-27 | 青岛海信移动通信技术股份有限公司 | Method for realizing multi-power supply USB interface and USB power supply |
| CN108575030A (en) * | 2017-03-14 | 2018-09-25 | 上海巍立智能科技有限公司 | Portable lamp and its control method |
| CN107104492A (en) * | 2017-07-04 | 2017-08-29 | 红豆电信有限公司 | Power circuit |
| CN107104492B (en) * | 2017-07-04 | 2023-08-22 | 红豆电信有限公司 | Power supply circuit |
| CN110739732A (en) * | 2018-07-20 | 2020-01-31 | 炬芯（珠海）科技有限公司 | Portable electronic equipment, chip, charging system and charging method thereof |
| CN110739732B (en) * | 2018-07-20 | 2022-01-25 | 炬芯科技股份有限公司 | Portable electronic equipment, chip, charging system and charging method thereof |
| CN110336348A (en) * | 2019-04-24 | 2019-10-15 | 华为技术有限公司 | A kind of terminal, switching capacity booster circuit and method of supplying power to |
| CN116345621A (en) * | 2023-03-23 | 2023-06-27 | 深圳唯乐高科技有限公司 | Electric energy conversion device and electric two-wheeled vehicle |
| CN116345621B (en) * | 2023-03-23 | 2024-01-26 | 深圳唯乐高科技有限公司 | Electric energy conversion device and electric two-wheeled vehicle |
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Address after: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Patentee after: SHENZHEN BESITER POWER BANK Co.,Ltd. Address before: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Patentee before: Shenzhen power Limited by Share Ltd. Address after: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Patentee after: Shenzhen power Limited by Share Ltd. Address before: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Patentee before: SHENZHEN BESITER POWER SUPPLY Co.,Ltd. |
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Address after: 518000 Guangdong city of Shenzhen province Baoan District Fuyong street community baishixia Longwangmiao Industrial Zone sixty-sixth Patentee after: SHENZHEN BESITER POWER BANK Co.,Ltd. Address before: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Patentee before: SHENZHEN BESITER POWER BANK Co.,Ltd. |
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Effective date of registration: 20190820 Address after: 523000 Dongguan City, Guangdong Province, Songshan Lake Hi-tech Industrial Development Zone, No. 2 Industrial North Road, Huacan Telecom Workshop, 1st Floor 101 Patentee after: Dongguan Best New Energy Technology Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Fuyong street community baishixia Longwangmiao Industrial Zone sixty-sixth Patentee before: SHENZHEN BESITER POWER BANK Co.,Ltd. |
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