CN105610220A - Charge and discharge circuit for mobile terminal and mobile terminal - Google Patents
Charge and discharge circuit for mobile terminal and mobile terminal Download PDFInfo
- Publication number
- CN105610220A CN105610220A CN201610046644.3A CN201610046644A CN105610220A CN 105610220 A CN105610220 A CN 105610220A CN 201610046644 A CN201610046644 A CN 201610046644A CN 105610220 A CN105610220 A CN 105610220A
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- China
- Prior art keywords
- control module
- resistance
- connects
- capacitor
- mobile terminal
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Classifications
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
Abstract
The invention belongs to the field of charge and discharge control, and provides a charge and discharge circuit for a mobile terminal and the mobile terminal. By the charge and discharge circuit for the mobile terminal, which comprises a charge and discharge interface, an input control module, a power supply module, a voltage control module, an output control module and a microprocessor, a DC is connected through the charge and discharge interface, and the power supply module is charged by the input control module; and meanwhile, a current output by the power supply module is subjected to boosting treatment through the voltage control module. The current is output to the charge and discharge interface by the output control module under the control of the microprocessor, so that other electronic terminals can be discharged by the mobile terminal; and the user experience is improved.
Description
Technical field
The invention belongs to and discharge and recharge control field, particularly a kind of mobile terminal charge-discharge circuit and mobile terminal.
Background technology
Mobile terminal is followed the Mobile Communication Development history of existing decades as simple communication equipment. Opened from 2007Begin, intellectuality has caused mobile terminal gene mutation, has fundamentally changed the tradition location of terminal as mobile network's tip.Mobile intelligent terminal almost changes crucial entrance and the main innovation platform of Internet service between a flash, new media,Ecommerce and information service platform, the most important hinge of Internet resources, mobile network resource and environmental interaction resource, its behaviourMaking system and processor chips even becomes the strategic high ground of current whole ICT industry. What mobile intelligent terminal caused overturnsProperty is changed and has been opened the prelude of mobile Internet industry development, has opened a new technical industry cycle. Along with intelligent movableThe sustainable development of terminal, its influence power radio, TV and internet (PC) shoulder to shoulder, becomes the 4th infiltration in human historyExtensively, popularize rapidly, affect huge, the deep end product to human society life every aspect.
Current mobile terminal is all built-in with battery, can charge, and then supply with mobile terminal itself and use, butBe, at other equipment, for example, when other mobile phones or music player do not have electricity, can not give other electricity consumption electronic product power supplies,Limit the use of the electric weight of mobile terminal, reduced user's experience.
Summary of the invention
The object of the present invention is to provide a kind of mobile terminal charge-discharge circuit, being intended to solve existing mobile terminal can notThe problem that other electric terminals are discharged.
In order to solve the problems of the technologies described above, the present invention is achieved in that a kind of mobile terminal charge-discharge circuit, comprises defeatedEnter control module, power module and voltage control module, described mobile terminal charge-discharge circuit also comprises: discharge and recharge interface,Output control module and microprocessor;
Described in connecting, the input of described input control module discharges and recharges the positive terminal of interface, the output of described input control moduleEnd connects the power end of described power module, and the power end of described power module connects the input of described voltage control module,The output of described voltage control module connects the input of described output control module, the output of described output control moduleDescribed in connection, discharge and recharge the positive terminal of interface, described in discharge and recharge the negative pole end ground connection of interface;
The power end of described microprocessor connects the power end of described power module, and the charging control end of described microprocessor connectsThe controlled end of described input control module, the output control terminal of described microprocessor connects being subject to of described voltage control module simultaneouslyThe controlled end of control end and described output control module, the charging test side of described microprocessor connects described input control moduleTest side.
Another object of the present invention is also to provide a kind of mobile terminal, also comprises that above-mentioned mobile terminal discharges and recharges electricityRoad.
Described in comprising by employing, the present invention discharges and recharges interface, described input control module, described power module, described electricityThe described mobile terminal charge-discharge circuit of pressure-controlled module, described output control module and described microprocessor, by describedDischarge and recharge interface access direct current, and utilize described input control module to charge to described power module, described in inciting somebody to action simultaneouslyThe electric current of power module output is through the processing of boosting of described voltage control module. Under the control of described microprocessor, utilize instituteState output control module this electric current is exported to and discharges and recharges interface, mobile terminal can, to other electric terminal electric discharges, be carriedRise user's experience.
Brief description of the drawings
Fig. 1 is the modular structure figure of the mobile terminal charge-discharge circuit that provides of the embodiment of the present invention;
Fig. 2 is the exemplary circuit structure chart of the input control module that provides of one embodiment of the invention;
Fig. 3 is the exemplary circuit structure chart of the voltage control module that provides of one embodiment of the invention;
Fig. 4 is the exemplary circuit structure chart of the output control module that provides of one embodiment of the invention;
Fig. 5 is the exemplary circuit structure chart of the power module that provides of one embodiment of the invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, rightThe present invention is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain the present invention, andBe not used in restriction the present invention.
Fig. 1 shows the modular structure of the mobile terminal charge-discharge circuit that the embodiment of the present invention provides, for the ease of sayingBright, only show the part relevant to the embodiment of the present invention, details are as follows:
A kind of mobile terminal charge-discharge circuit, comprises input control module 200, power module 400 and voltage control module500, mobile terminal charge-discharge circuit also comprises: discharge and recharge interface 100, output control module 600 and microprocessor 300.
The input of input control module 200 connects the positive terminal that discharges and recharges interface 100, input control module 200 defeatedGo out the power end that end connects power module 400, the power end of power module 400 connects the input of voltage control module 500, electricityThe output of pressure-controlled module 500 connects the input of output control module 600, and the output of output control module 600 connectsDischarge and recharge the positive terminal of interface 100, discharge and recharge the negative pole end ground connection of interface 100.
The power end of microprocessor 300 connects the power end of power module 400, and the charging control end of microprocessor 300 connectsConnect the controlled end of input control module 200, the output control terminal of microprocessor 300 connects being subject to of voltage control module 500 simultaneouslyThe controlled end of control end and output control module 600, the charging test side of microprocessor 300 connects the inspection of input control module 200Survey end.
In embodiments of the present invention, adopt the electricity that discharges and recharges interface 100 and access outside direct current or out-put supply module 400Stream, can charge mobile terminal and also can discharge to other consumers. Input control module 200 can coordinate micro-placeReason device 300 carries out Charge Management to power module 400, and it is complete that microprocessor 300 receives the charging that input control module 200 exportsAfter becoming signal, control inputs control module stops charging. Under the control of microprocessor 300, the electric current that power module 400 is exportedAfter boosting processing, excess voltage control module 500 exports output control module 600 to, by discharging and recharging interface 100 these electricity of outputStream.
Fig. 2 shows the exemplary circuit structure of the input control module 200 that one embodiment of the invention provides, for the ease ofIllustrate, only show the part relevant to the embodiment of the present invention, details are as follows:
As one embodiment of the invention, input control module 200 comprises: the first diode D1, the first diode D2, resistance R 1,Resistance R 2, resistance R 3, capacitor C 1, NMOS pipe Q1 and a charging chip U1;
The anode of the anode of the first diode D1 and the second diode D2 connects the input that forms input control module 200 altogether, theThe first end of the negative electrode of one diode D1, the negative electrode of the second diode D2 and resistance R 1 is connected to the power end of charging chip U1 altogetherVCC, the drain electrode of the second end of resistance R 1 and NMOS pipe Q1 is connected to the Enable Pin CE of charging chip U1 altogether, a NMOS pipe Q1The first end of grid contact resistance R2, the second end of resistance R 2 and the first end of resistance R 3 connect formation input control module altogether200 controlled end, the test side STDRY of charging chip U1 is the test side of input control module 200, the charging of charging chip U1The first end of end BATT and capacitor C 1 connects the output of formation input control module 200 altogether, the earth terminal GND of charging chip U1,The source electrode of the second end of capacitor C 1, the second end of resistance R 3 and NMOS pipe Q1 is connected to ground altogether.
Fig. 3 shows the exemplary circuit structure of the voltage control module 500 that one embodiment of the invention provides, for the ease ofIllustrate, only show the part relevant to the embodiment of the present invention, details are as follows:
As one embodiment of the invention, voltage control module 500 comprises: the 3rd diode D3, the 4th diode D4, capacitor C 2,Capacitor C 3, capacitor C 4, capacitor C 5, capacitor C 6, resistance R 4, resistance R 5, resistance R 6, the 2nd NMOS pipe Q2 and the chip U2 that boosts;
The anode of the 3rd diode D3, the leakage of the anode of the 4th diode D4, the first end of capacitor C 2 and the 2nd NMOS pipe Q2Connect extremely altogether the input that forms voltage control module 500, the grid of the 2nd NMOS pipe Q2 connects the control end of the chip U2 that boosts, electricityHold the first end of the second end contact resistance R4 of C2, the second end of resistance R 4, the negative electrode of the 3rd diode D3, the 4th diode D4Negative electrode, capacitor C 3 first end, capacitor C 4 first end, capacitor C 5 first end, resistance R 5 first end, capacitor C 6The power end VDD of one end and the chip U2 that boosts connects altogether and forms the output of voltage control module 500, the second end of resistance R 5,The second end of capacitor C 6 and the first end of resistance R 6 are connected to the feedback end of the chip U2 that boosts, the controlled end of the chip U2 that boosts altogetherON/OFF is the controlled end of voltage control module 500, the source electrode of the 2nd NMOS pipe Q2, the earth terminal VSS of the chip U2 that boosts andThe second end of resistance R 6 is connected to ground altogether.
Fig. 4 shows the exemplary circuit structure of the output control module 600 that one embodiment of the invention provides, for the ease ofIllustrate, only show the part relevant to the embodiment of the present invention, details are as follows:
As one embodiment of the invention, output control module 600 comprises: resistance R 7, resistance R 8, PMOS pipe Q3 and a NPNTriode Q4;
The source electrode of the first end of resistance R 7 and PMOS pipe Q3 connects the input that forms output control module 600 altogether, the of resistance R 7The grid of two ends and PMOS pipe Q3 is connected to the colelctor electrode of a NPN triode Q4 altogether, and the drain electrode of PMOS pipe Q3 is that mould is controlled in outputThe output of piece 600, the first end of the base stage contact resistance R8 of a NPN triode Q4, the second end of resistance R 8 is output controlsThe controlled end of molding piece 600, the grounded emitter of NPN triode.
Fig. 5 shows the exemplary circuit structure of the power module 400 that one embodiment of the invention provides, for the ease of sayingBright, only show the part relevant to the embodiment of the present invention, details are as follows:
As one embodiment of the invention, power module 400 comprises: resistance R 9, resistance R 10, capacitor C 7, NMOS pipe Q5, NMOS pipeQ6, battery BAT and accumulator protecting chip U3;
The first end of resistance R 9 connects the negative input end of accumulator protecting chip U3, the first control end of accumulator protecting chip U3COUT connects the grid of NMOS pipe Q5, and the second control end of accumulator protecting chip U3 connects the grid of NMOS pipe Q6, batteryThe power end of protection chip U3 and the first end of capacitor C 7 are connected to the first end of resistance R 10 altogether, and the drain electrode of NMOS pipe Q5 connectsThe drain electrode of NMOS pipe Q6, the NMOS pipe source electrode of Q5 and the second end of resistance R 9 are connected to ground altogether, and source electrode, the battery of NMOS pipe Q6 are protectedProtect the earth terminal VSS of chip U3, the second end of capacitor C 7 is connected to the negative pole of battery BAT, the anode of battery BAT and resistance altogetherThe second end of R10 connects the power end that forms power module 400 altogether.
The operation principle of the mobile terminal the charge-discharge circuit below embodiment of the present invention being provided is described further:
Discharging and recharging after interface 100 accesses direct current, charging chip U1 starts to charge for battery BAT. Work as batteryWhen BAT has charged, the test side STDRY of charging chip U2 exports a charging completion signal, microprocessor to microprocessor 300300 controlled ends by input control module 200 change the level of charging chip U1 Enable Pin, thereby charging chip U1 is stoppedCharge to battery BAT.
In the time discharging and recharging interface 100 and need output current, microprocessor 300 is by voltage control module 500 and output controlControlled end starting resistor control module 500 the conducting output control module 600 of molding piece 600. The now electric current warp of batteryAfter the processing of boosting of excess voltage control module 500, export to and discharge and recharge interface 100 by output control module 600, and then to itHe discharges by electric terminal.
No matter be under electric current input or the state of electric current output, if microprocessor 300 is examined by interface detection moduleMeasure voltage or current anomaly, all can control by stopping input control module 200, voltage control module 500 and outputThe work of module 600 realizes the protection to self.
The embodiment of the present invention also provides a kind of mobile terminal, and this mobile terminal also comprises that above-mentioned mobile terminal discharges and rechargesCircuit.
Described in the embodiment of the present invention comprises by employing, discharge and recharge interface, described input control module, described power module,The described mobile terminal charge-discharge circuit of described voltage control module, described output control module and described microprocessor is logicalDescribed in crossing, discharge and recharge interface access direct current, and utilize described input control module to charge to described power module, simultaneouslyBy the electric current of described power module output through the processing of boosting of described voltage control module. Under the control of described microprocessor,Utilize described output control module that this electric current is exported to and discharges and recharges interface, mobile terminal can be put other electric terminalsElectricity, promotes user's experience.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all in essence of the present inventionAny amendment of doing within god and principle, be equal to replacement and improvement etc., within protection scope of the present invention all should be included in.
Claims (5)
1. a mobile terminal charge-discharge circuit, comprises input control module, power module and voltage control module, its featureBe, described mobile terminal charge-discharge circuit also comprises: discharge and recharge interface, output control module and microprocessor;
Described in connecting, the input of described input control module discharges and recharges the positive terminal of interface, the output of described input control moduleEnd connects the power end of described power module, and the power end of described power module connects the input of described voltage control module,The output of described voltage control module connects the input of described output control module, the output of described output control moduleDescribed in connection, discharge and recharge the positive terminal of interface, described in discharge and recharge the negative pole end ground connection of interface;
The power end of described microprocessor connects the power end of described power module, and the charging control end of described microprocessor connectsThe controlled end of described input control module, the output control terminal of described microprocessor connects being subject to of described voltage control module simultaneouslyThe controlled end of control end and described output control module, the charging test side of described microprocessor connects described input control moduleTest side.
2. mobile terminal charge-discharge circuit as claimed in claim 1, is characterized in that, described input control module comprises:
The first diode, the first diode, resistance R 1, resistance R 2, resistance R 3, capacitor C 1, NMOS pipe and a charging chip;
The anode of the anode of described the first diode and described the second diode connects the input that forms described input control module altogetherEnd, described in the first end of the negative electrode of described the first diode, the negative electrode of described the second diode and described resistance R 1 is connected to altogetherThe power end of charging chip, the second end of described resistance R 1 and the drain electrode of a described NMOS pipe are connected to described charging chip altogetherEnable Pin, the grid of a described NMOS pipe connects the first end of described resistance R 2, the second end of described resistance R 2 and described electricityThe first end of resistance R3 connects the controlled end that forms described input control module altogether, and the test side of described charging chip is described input controlThe test side of molding piece, the first end of the charging end of described charging chip and described capacitor C 1 connects altogether and forms described input control mouldThe output of piece, the second end of the earth terminal of described charging chip, the second end of described capacitor C 1, described resistance R 3 and described inThe source electrode of the one NMOS pipe is connected to ground altogether.
3. mobile terminal charge-discharge circuit as claimed in claim 1, is characterized in that, described voltage control module comprises:
The 3rd diode, the 4th diode, capacitor C 2, capacitor C 3, capacitor C 4, capacitor C 5, capacitor C 6, resistance R 4, resistance R 5, electricityResistance R6, the 2nd NMOS pipe and the chip that boosts;
The anode of described the 3rd diode, the anode of described the 4th diode, the first end of described capacitor C 2 and described secondThe drain electrode of NMOS pipe connects the input that forms described voltage control module altogether, described in the grid of described the 2nd NMOS pipe connects, boostsThe control end of chip, the second end of described capacitor C 2 connects the first end of described resistance R 4, the second end of described resistance R 4, described inThe first end of the negative electrode of the 3rd diode, the negative electrode of described the 4th diode, described capacitor C 3, the first end of described capacitor C 4,The first end of the first end of described capacitor C 5, the first end of described resistance R 5, described capacitor C 6 and described in the boost electricity of chipSource connects altogether and forms the output of described voltage control module, the second end of described resistance R 5, the second end of described capacitor C 6 withAnd boost described in being connected to the altogether feedback end of chip of the first end of described resistance R 6, described in the boost controlled end of chip be described voltageThe controlled end of control module, the source electrode of described the 2nd NMOS pipe, described in of the earth terminal of chip and the described resistance R 6 of boostingTwo ends are connected to ground altogether.
4. mobile terminal charge-discharge circuit as claimed in claim 1, is characterized in that, described output control module comprises:
Resistance R 7, resistance R 8, PMOS pipe and a NPN triode;
The source electrode of the first end of described resistance R 7 and described PMOS pipe connects the input that forms described output control module altogether, described inThe second end of resistance R 7 and the grid of described PMOS pipe are connected to the colelctor electrode of a described NPN triode, described PMOS pipe altogetherDrain electrode is the output of described output control module, and the base stage of a described NPN triode connects the first end of described resistance R 8,The second end of described resistance R 8 is controlled ends of described output control module, the grounded emitter of a described NPN triode.
5. a mobile terminal, is characterized in that, described mobile terminal also comprises moving as described in claim 1 to 4 any oneMoving terminal charge-discharge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046644.3A CN105610220A (en) | 2016-01-25 | 2016-01-25 | Charge and discharge circuit for mobile terminal and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046644.3A CN105610220A (en) | 2016-01-25 | 2016-01-25 | Charge and discharge circuit for mobile terminal and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN105610220A true CN105610220A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610046644.3A Pending CN105610220A (en) | 2016-01-25 | 2016-01-25 | Charge and discharge circuit for mobile terminal and mobile terminal |
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| Country | Link |
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| CN (1) | CN105610220A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160100A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | The charging device of mobile terminal and mobile terminal |
| CN109474040A (en) * | 2018-12-22 | 2019-03-15 | 常州格力博有限公司 | Power-supply management system and method for managing power supply |
| CN110198071A (en) * | 2019-07-09 | 2019-09-03 | 深圳市海派特光伏科技有限公司 | Integrated battery charge-discharge circuit and electronic cigarette |
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| CN203056606U (en) * | 2012-06-29 | 2013-07-10 | 华为终端有限公司 | Charge and discharge apparatus and terminal |
| CN203312866U (en) * | 2013-06-17 | 2013-11-27 | 黄非 | Mobile power supply |
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| CN109474040A (en) * | 2018-12-22 | 2019-03-15 | 常州格力博有限公司 | Power-supply management system and method for managing power supply |
| CN110198071A (en) * | 2019-07-09 | 2019-09-03 | 深圳市海派特光伏科技有限公司 | Integrated battery charge-discharge circuit and electronic cigarette |
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