CN205646857U - Mobile power source circuit - Google Patents
Mobile power source circuit Download PDFInfo
- Publication number
- CN205646857U CN205646857U CN201620214742.9U CN201620214742U CN205646857U CN 205646857 U CN205646857 U CN 205646857U CN 201620214742 U CN201620214742 U CN 201620214742U CN 205646857 U CN205646857 U CN 205646857U
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a mobile power source circuit, portable power source includes control circuit board, the USB that is connected with the control circuit board interface that charges, the USB output interface of being connected with control circuit board to and lithium cell group, lithium cell group be connected with control circuit board, control circuit board includes the battery pack management module, enlargies and voltage stabilizing module with the operation that the battery pack management module is connected, and the management module that steps up that the logical product enlargies and voltage stabilizing module connects, the utility model provides a simple and easy mobile power source circuit.
Description
Technical field
This utility model relates to battery set charge/discharge technical field, particularly relates to a kind of portable power source circuit.
Background technology
Galvanic electricity source has been widely used due to its convenience.Many commercial solution hardware circuits are especially complex, and most schemes need to carry out software programming, are not easy to Electronic Design fan self-control.
Utility model content
The purpose of this utility model embodiment is to provide a kind of easy portable power source circuit.
For reaching above-mentioned purpose, this utility model provides a kind of portable power source circuit, and described portable power source includes: control circuit plate, the USB charging inlet being connected with control circuit plate, the USB output interface being connected with control circuit plate, and lithium battery group；Described lithium battery group is connected with control circuit plate；Described control circuit plate includes battery set management module, the operation amplifier being connected with battery set management module and Voltage stabilizing module, and the boosting management module being connected with operation amplifier and Voltage stabilizing module.
Preferably, above-mentioned battery set management module includes the first protection chip and the second protection chip being connected with the first protection chip；Described first protection chip is connected with lithium battery group interface positive pole；Described second protection chip is connected with the negative pole of lithium battery group interface；Battery set management module also includes set of cells charging management chip, battery temperature observation circuit and the some LED being connected with set of cells charging management chip.
Preferably, above-mentioned operation amplifier and Voltage stabilizing module include operation amplifier chip and provide stable comparison electric controllable accurate source of stable pressure chip for operation amplifier chip；Operation amplifier and Voltage stabilizing module also include the some LED for detecting and show lithium battery group voltage status, and described some LED are connected with described general-purpose operation amplification chip respectively.
Preferably; above-mentioned boosting management module includes DC-DC boosting managing chip and the load short-circuit protection circuit of the voltage for changing lithium battery group, and described load short-circuit protection circuit includes audion, and MOSFET manages; Schottky tube, and some resistance, electric capacity and inductance.
Preferably, above-mentioned first protection chip is charging protection chip for lithium battery, and model is DW01；Second protection chip is charging protection chip for lithium battery, and model is APL3205；Set of cells charging management chip model is TP4056；Operation amplifier chip model is LM324；Described controllable accurate source of stable pressure chip model is TL431；Model SD6721 of DC-DC boosting managing chip.
This utility model embodiment provides the benefit that: by arranging control circuit plate, control circuit plate includes battery set management module simultaneously, the operation amplifier being connected with battery set management module and Voltage stabilizing module, and the boosting management module being connected with operation amplifier and Voltage stabilizing module, circuit is simple, is simultaneously achieved circuit and includes.
Accompanying drawing explanation
Fig. 1 is the module diagram of this utility model portable power source circuit；
Fig. 2 is the schematic diagram of this utility model portable power source circuit.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, the utility model will be further described below in conjunction with the accompanying drawings, can not be used for limiting protection domain of the present utility model.It should be noted that in the case of not conflicting, the embodiment in the application and the various modes in embodiment can be mutually combined.
As it is shown in figure 1, the simple portable power source of this utility model, comprise control circuit plate 11, USB charging inlet 12, USB output interface 13, and set of cells 14.Control circuit plate 11 connects with USB charging inlet 12, USB output interface 12, and set of cells 14 respectively.Set of cells in the present embodiment is lithium battery group；USB output interface 12 can be 5VUSB output interface.
Wherein, control circuit plate includes battery set management module, the operation amplifier being connected with battery set management module and Voltage stabilizing module, and the boosting management module being connected with operation amplifier and Voltage stabilizing module.Battery set management module includes the first protection chip U1 and the second protection chip U3 being connected with the first protection chip U1；First protection chip U1 is connected with lithium battery group interface positive pole；Described second protection chip U3 is connected with the negative pole of lithium battery group interface.Battery set management module also includes set of cells charging management chip U5, battery temperature observation circuit and the some LED being connected with set of cells charging management chip U5.Operation amplifier and Voltage stabilizing module include operation amplifier chip U2 and provide stable comparison electric controllable accurate source of stable pressure chip U4 for operation amplifier chip U2；Operation amplifier and Voltage stabilizing module also include the some LED for detecting and show lithium battery group voltage status, and some LED are connected with described general-purpose operation amplification chip U2 respectively.Boosting management module includes DC-DC boosting managing chip U6 and the load short-circuit protection circuit of the voltage for changing lithium battery group, and described load short-circuit protection circuit includes audion, and MOSFET manages, Schottky tube, and some resistance, electric capacity and inductance.
In the present embodiment, the first protection chip U1 is charging protection chip for lithium battery, and model is DW01；Second protection chip U3 is charging protection chip for lithium battery, and model is APL3205；Set of cells charging management chip U5 model is TP4056；Operation amplifier chip U2 model is LM324；Controllable accurate source of stable pressure chip U4 model is TL431；Model SD6721 of DC-DC boosting managing chip U6.
As shown in Figure 2, first protection chip U1 is charging protection chip for lithium battery DW01, its effect is to prevent lithium battery short circuit, overcharge, overcurrent, overdischarge, overvoltage, the pin 2 of the first protection chip U1 is connected by the pin 2 of resistance R2 and second protection chip U3, the pin 1 of the first protection chip U1 is connected with the pin 5 of the second protection chip U3, the pin 3 of the first protection chip U1 is connected with the pin 4 of the second protection chip U3, when set of cells two ends charging voltage, when electric current is normal, the negative pole of set of cells and the ground conductive of U5 and U6, constitute charging and discharging loop；Operation amplifier chip includes 4 road operational amplifiers, R3, R4, R5, R6, R7 form resistor voltage divider network, the magnitude of voltage of 4 road resistor voltage divider networks is compared with the reference voltage value of U4, when resistor voltage divider network voltage exceedes reference voltage, a certain road operational amplifier output high level in operation amplifier chip U2, light certain LED, thus realize the detection to battery voltage and display function, can show that voltage little, medium and small, middle and high indicates by LED1, LED2, LED3, LED4；Second protection chip U3 realizes stream, overvoltage, the short-circuit protection function excessively of set of cells；The 4 road operational amplifiers that controllable accurate source of stable pressure chip U4 is operation amplifier chip U2 provide stable comparison voltage；Set of cells charging management chip U5 with LED6 and LED5 is connected, wherein LED6 is bright and represents time LED5 goes out and charges, battery full state is represented when LED5 is bright and LED6 goes out, represent under-voltage when LED6 goes out and LED5 goes out, battery temperature is too high, the fault such as too low or access without battery, charging voltage is realized by the potential-divider network of R9 and R11, set of cells charging management chip U5 has been internally integrated battery temperature observation circuit, the pin 1 of set of cells charging management chip U5 is TEMP foot, this foot voltage is NTC thermistor and resistance R8 in battery, R11 potential-divider network realizes, can judge that battery temperature is the most too high by monitoring this foot voltage；The voltage of battery can be converted to the output of 5V source by DC-DC boosting managing chip U6; audion Q1, MOSFET pipe Q2, Schottky tube and other auxiliary resistance, electric capacity, inductance constitute load short-circuit protection circuit; when exporting the short circuit of USB interface JP2, Q2 ends, then cut off the positive pole of set of cells；Additionally, when charge or discharge exports, it should S1 is pushed conduction position, otherwise cannot charge or discharge output, each LED all in OFF state to reach energy-conservation purpose.
These are only preferred embodiment of the present utility model; certainly; this utility model also can have other various embodiments; in the case of without departing substantially from this utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and deformation according to this utility model, but these change accordingly and deformation all should belong to the scope of the claims appended by this utility model.
Claims (10)
1. a portable power source circuit, it is characterised in that described portable power source includes: control circuit plate, the USB charging inlet being connected with control circuit plate, the USB output interface being connected with control circuit plate, and lithium battery group；Described lithium battery group is connected with control circuit plate；
Described control circuit plate includes battery set management module, the operation amplifier being connected with battery set management module and Voltage stabilizing module, and the boosting management module being connected with operation amplifier and Voltage stabilizing module.
2. circuit as claimed in claim 1, it is characterised in that: described battery set management module includes the first protection chip and the second protection chip being connected with the first protection chip；Described first protection chip is connected with lithium battery group interface positive pole；Described second protection chip is connected with the negative pole of lithium battery group interface.
3. circuit as claimed in claim 2, it is characterised in that: described battery set management module also includes set of cells charging management chip, battery temperature observation circuit and the some LED being connected with set of cells charging management chip.
4. circuit as claimed in claim 1, it is characterised in that: described operation amplifier and Voltage stabilizing module include operation amplifier chip and provide the controllable accurate source of stable pressure chip of stable comparison voltage for operation amplifier chip.
5. circuit as claimed in claim 4, it is characterised in that: described operation amplifier and Voltage stabilizing module also include the some LED for detecting and show lithium battery group voltage status, and described some LED are connected with described operation amplifier chip respectively.
6. circuit as claimed in claim 1; it is characterized in that: described boosting management module includes DC-DC boosting managing chip and the load short-circuit protection circuit of the voltage for changing lithium battery group; described load short-circuit protection circuit includes audion; MOSFET manages; Schottky tube, and some resistance, electric capacity and inductance.
7. circuit as claimed in claim 2, it is characterised in that: described first protection chip is charging protection chip for lithium battery, and model is DW01；Second protection chip is charging protection chip for lithium battery, and model is APL3205.
8. circuit as claimed in claim 3, it is characterised in that: described set of cells charging management chip model is TP4056.
9. circuit as claimed in claim 4, it is characterised in that: described operation amplifier chip model is LM324；Described controllable accurate source of stable pressure chip model is TL431.
10. circuit as claimed in claim 6, it is characterised in that: model SD6721 of described DC-DC boosting managing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620214742.9U CN205646857U (en) | 2016-03-18 | 2016-03-18 | Mobile power source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620214742.9U CN205646857U (en) | 2016-03-18 | 2016-03-18 | Mobile power source circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205646857U true CN205646857U (en) | 2016-10-12 |
Family
ID=57076568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620214742.9U Expired - Fee Related CN205646857U (en) | 2016-03-18 | 2016-03-18 | Mobile power source circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205646857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343635A (en) * | 2018-11-15 | 2019-02-15 | 南京铁道职业技术学院 | A kind of microminiature power circuit |
-
2016
- 2016-03-18 CN CN201620214742.9U patent/CN205646857U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343635A (en) * | 2018-11-15 | 2019-02-15 | 南京铁道职业技术学院 | A kind of microminiature power circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170318 |