CN105262178A - Electronic equipment power circuit and electronic equipment - Google Patents
Electronic equipment power circuit and electronic equipment Download PDFInfo
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- CN105262178A CN105262178A CN201510744726.0A CN201510744726A CN105262178A CN 105262178 A CN105262178 A CN 105262178A CN 201510744726 A CN201510744726 A CN 201510744726A CN 105262178 A CN105262178 A CN 105262178A
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Abstract
The invention belongs to the field of electronic equipment, and provides an electronic equipment power circuit and electronic equipment. According to the invention, the circuit enables a microprocessor, a current sampling module, a boost control module, a switching control module and a voltage detection module to be combined in a specific mode, thereby achieving the simplified design of the circuit, and improving the working efficiency of the circuit.
Description
Technical field
The invention belongs to electronic device field, particularly relate to a kind of electronic equipment power source circuit and electronic equipment.
Background technology
China's consumer electronics product refers to for individual and family and broadcast, TV, communicates Voice & Video product relevant, mainly comprises: television set, video disc player (VCD, SVCD, DVD), video tape recorder, video camera, broadcast receiver, radio-cassette player, combination audio, compact disc player (CD), computer, mobile communication product etc.And in some developed countries, then phone, PC, work-at-home equipment, domestic electronic health care facility, automobile electronics etc. are also returned in consumer electronics product.Along with the appearance of technical development and new product new opplication, the products such as digital camera, mobile phone, PDA are also becoming emerging consumer electronics product.From later stage nineteen nineties, merged computer, Information And Communication, the large field of consumer electronics three information household appliances start to go deep into family life widely, it has the functions such as audiovisual, information processing, bilateral network communication, is made up of the software kit of flush bonding processor, associated support hardware (fetch equipment as display card, storage medium, IC-card or credit card), embedded OS and application layer.
But the power circuit common design of current electronic product is complicated, and efficiency is low, is unfavorable for the development of electronic product power source circuit summary.
Summary of the invention
The invention provides a kind of electronic equipment power source circuit, be intended to solve existing electronic equipment power source complex circuit designs, inefficient problem.
In order to solve the problems of the technologies described above, the present invention is achieved in that a kind of electronic equipment power source circuit, comprise battery and Micro-processor MCV, described Micro-processor MCV is used for exporting voltage up control signal or charge/discharge changeover control signal according to the charge/discharge current correspondence of described electronic equipment power source circuit, and described electronic equipment power source circuit also comprises:
Sample described electronic equipment power source circuit charge/discharge current and sampled result is exported to the current sample module of described Micro-processor MCV;
Be connected with described battery and described Micro-processor MCV respectively, receive voltage up control signal that described Micro-processor MCV exports and the charge/discharge current of described battery carried out to the boosting rectifier control module of boosting rectifier control;
Respectively with described Micro-processor MCV and described current sample model calling, receive charge/discharge changeover control signal that described Micro-processor MCV exports and the charge/discharge current of described battery carried out to the switching controls module of switching controls; And
Respectively with described boosting rectifier control module and described switching controls model calling, the voltage detection module that the voltage exported described boosting rectifier control module and described switching controls module when charge/discharge detects.
Present invention also offers a kind of electronic equipment, described electronic equipment comprises above-mentioned electronic equipment power source circuit.
In the present invention, electronic equipment power source circuit is by carrying out the combination of ad hoc fashion by microprocessor, current sample module, boosting rectifier control module, switching controls module and voltage detection module, achieve the simplified design of electronic equipment power source circuit, and then improve the operating efficiency of power circuit.
Accompanying drawing explanation
The function structure chart of Fig. 1 electronic equipment power source circuit that to be the invention process provide;
The circuit structure diagram of Fig. 2 electronic equipment power source circuit that to be the invention process provide.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail:
Fig. 1 shows the modular structure of the electronic equipment power source circuit that the invention process provides, and for convenience of explanation, illustrate only to the invention process relevant part, details are as follows:
As one embodiment of the invention, electronic equipment power source circuit comprises battery BAT and Micro-processor MCV 100, Micro-processor MCV 100 exports voltage up control signal or charge/discharge changeover control signal for the charge/discharge current correspondence according to electronic equipment power source circuit, and this electronic equipment power source circuit also comprises:
Sampled result is also exported to the current sample module 204 of Micro-processor MCV 100 by the charge/discharge current of sampling electronic equipment power source circuit;
Be connected with battery BAT and Micro-processor MCV 100 respectively, receive voltage up control signal that Micro-processor MCV 100 exports and the charge/discharge current of battery BAT carried out to the boosting rectifier control module 201 of boosting rectifier control;
Be connected with Micro-processor MCV 100 and current sample module 204 respectively, receive charge/discharge changeover control signal that Micro-processor MCV 100 exports and the charge/discharge current of battery BAT carried out to the switching controls module 203 of switching controls; And
Be connected with boosting rectifier control module 201 and switching controls module 203 respectively, voltage boosting rectifier control module 201 and switching controls module 203 exported when charge/discharge detect voltage detection module 202.
In embodiments of the present invention, current sample module 204 is used for detecting the input and output electric current of switching controls module 203, in the process of electric discharge, can the electricity of effective monitoring battery, and in order to avoid transient discharge.
Fig. 2 shows the circuit structure of the electronic equipment power source circuit that the invention process provides, and for convenience of explanation, illustrate only to the invention process relevant part, details are as follows:
As one embodiment of the invention, boosting rectifier control module 201 comprises:
Filter capacitor C1, resistance R1, resistance R2, resistance R3, P type metal-oxide-semiconductor P1, NPN type triode Q1;
The source electrode of the first end of filter capacitor C1 and the first end of resistance R1 and P type metal-oxide-semiconductor P1 is connected to the positive pole of battery altogether, the negative pole of battery and the second end ground connection of filter capacitor C1, second end of resistance R1 is connected with the grid of P type metal-oxide-semiconductor P1 and the collector electrode of NPN type triode Q1 respectively, the base stage of NPN type triode Q1 is connected with second end of resistance R2, the first end of resistance R2 is connected with the boosting enable pin I/O1 of Micro-processor MCV, resistance R3 is connected between the base stage of NPN type triode Q1 and emitter, the grounded emitter of NPN type triode Q1, the drain electrode of P type metal-oxide-semiconductor is connected with voltage detection module 202.
As one embodiment of the invention, voltage detection module 202 comprises:
Filter capacitor C2, filter capacitor C3, filter capacitor C4, filter capacitor C5, filter capacitor C6, polar capacitor C7, fly-wheel diode ZD1, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, inductance L 1, boost control chip U1;
The first end of inductance L 1 respectively with the drain electrode of P type metal-oxide-semiconductor P1, the first end of resistance R5, the voltage input pin VIN of boost control chip U1, the enable pin EN of boost control chip U1, the first end of filter capacitor C2 and the first end of filter capacitor C3 connect, second end of resistance R5 is connected with the first end of resistance R4 and the He Ne laser pin FREQ of boost control chip U1 respectively, resistance R6 is connected between the voltage compensation pin COMP of boost control chip U1 and the first end of filter capacitor C4, second end of filter capacitor C2, second end of filter capacitor C3, the earth terminal GND of second end of resistance R4 and second end of filter capacitor C4 and boost control chip U1 is connected to ground altogether, second end of inductance L 1 respectively with the switching voltage output pin LX of boost control chip U1, the first end of filter capacitor C6 and the anode of fly-wheel diode ZD1 connect, second end of filter capacitor C6 respectively with the earth terminal GND of boost control chip U1, second end of filter capacitor C5, second end of resistance R8 and the negative electrode of polar capacitor C7 are connected to ground altogether, the first end of filter capacitor C5 is connected with the soft start pin SS of boost control chip U1, the first end of resistance R8 is connected with the feedback pin FB of boost control chip U1 and second end of resistance R7 respectively, the negative electrode of fly-wheel diode ZD1 is connected to switching controls module 203 altogether with the first end of resistance R7 and the anode of polar capacitor C7 respectively.
As one embodiment of the invention, switching controls module 203 comprises:
Resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, NPN type triode Q2, NPN type triode Q3, P type metal-oxide-semiconductor P2;
The first end of resistance R11 is connected with voltage detection module 202, resistance R12 is connected to second end of resistance R11 and between the collector electrode of NPN type triode Q2 and the base stage of NPN type triode Q3, the base stage of NPN type triode Q2 is connected with the first end of resistance R9 and the first end of resistance R10 respectively, second end of resistance R9 is connected with the charge/discharge transition enabled pin of Micro-processor MCV, second end of resistance R10, the emitter of NPN type triode Q2 and the grounded emitter of NPN type triode Q3, the collector electrode of NPN type triode Q3 is connected with the first end of resistance R13 and the grid of P type metal-oxide-semiconductor P2 respectively, second end of resistance R13 is connected with second end of resistance R11 and the source electrode of P type metal-oxide-semiconductor P2 respectively, the source electrode of P type metal-oxide-semiconductor P2 is the electric discharge output V1 of electronic equipment power source circuit, the drain electrode of P type metal-oxide-semiconductor P2 is the charging input end V2 of electronic equipment power source circuit.
As the novel embodiment of this enforcement, current sample module 204 comprises:
Resistance R14, resistance R15, resistance R16, resistance R17;
Resistance R14 and resistance R15 is connected between second end of resistance R11 and ground, between the first end that resistance R16 and resistance R17 is connected to resistance R11 and ground, resistance 14 is connected with the first current detecting end AD1 of Micro-processor MCV with the public connecting end of resistance R15, and resistance R16 is connected with the second current detecting end AD2 of Micro-processor MCV with the public connecting end of resistance R17.
Below the operation principle originally implementing the electronic equipment power source circuit provided is described.
When user needs with the electric discharge of electronic equipment power circuit, Micro-processor MCV 100 sends the control signal of high level to boosting rectifier control module 201 and switching controls module 203 by boosting enable pin I/O1 and charge/discharge transition enabled pin I/O2.Now, voltage detection module 202 and current sample module 204 are channel status, can externally discharge.Especially, when charge/discharge transition enabled pin I/O2 is high level, closed the path of electric discharge output V1 to charging input end V2 by NPN type triode Q2, NPN type triode Q3 and P type metal-oxide-semiconductor P1, prevent charging input end V2 from boosting to self charging.
When discharging, electronic equipment power source circuit passes through sampling with high precision resistance R11 to discharging current Real-Time Monitoring, when electric current is less than the threshold value preset, Micro-processor MCV 100 is fed back to by ADC1 and ADC2, Micro-processor MCV 100 sends low level control signal to boosting enable pin I/O1 and charge/discharge transition enabled pin I/O2, and intelligence closes electric discharge.
Especially, when charge function is not carried out for this electronic equipment power source circuit, boosting enable pin I/O1 and charge/discharge transition enabled pin I/O2 is defaulted as low level control signal, the path of electric discharge output V1 to charging input end V2 is opened by P type metal-oxide-semiconductor P1, by charging input end V2, battery is charged.P type metal-oxide-semiconductor P2 charge closing input VBAT is to the path of electric discharge output V1 simultaneously, prevents electric leakage.
The invention process additionally provides a kind of electronic equipment, and electronic equipment comprises above-mentioned electronic equipment power source circuit.
In the present invention, electronic equipment power source circuit is by carrying out the combination of ad hoc fashion by microprocessor, current sample module, boosting rectifier control module, switching controls module and voltage detection module, achieve the simplified design of electronic equipment power source circuit, and then improve the operating efficiency of power circuit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an electronic equipment power source circuit, comprise battery and Micro-processor MCV, described Micro-processor MCV is used for exporting voltage up control signal or charge/discharge changeover control signal according to the charge/discharge current correspondence of described electronic equipment power source circuit, it is characterized in that, described electronic equipment power source circuit also comprises:
Sample described electronic equipment power source circuit charge/discharge current and sampled result is exported to the current sample module of described Micro-processor MCV;
Be connected with described battery and described Micro-processor MCV respectively, receive voltage up control signal that described Micro-processor MCV exports and the charge/discharge current of described battery carried out to the boosting rectifier control module of boosting rectifier control;
Respectively with described Micro-processor MCV and described current sample model calling, receive charge/discharge changeover control signal that described Micro-processor MCV exports and the charge/discharge current of described battery carried out to the switching controls module of switching controls; And
Respectively with described boosting rectifier control module and described switching controls model calling, the voltage detection module that the voltage exported described boosting rectifier control module and described switching controls module when charge/discharge detects.
2. electronic equipment power source circuit as claimed in claim 1, it is characterized in that, described boosting rectifier control module comprises:
Filter capacitor C1, resistance R1, resistance R2, resistance R3, P type metal-oxide-semiconductor P1, NPN type triode Q1;
The source electrode of the first end of described filter capacitor C1 and the first end of described resistance R1 and described P type metal-oxide-semiconductor P1 is connected to the positive pole of described battery altogether, the negative pole of described battery and the second end ground connection of described filter capacitor C1, second end of described resistance R1 is connected with the described grid of P type metal-oxide-semiconductor P1 and the collector electrode of described NPN type triode Q1 respectively, the base stage of described NPN type triode Q1 is connected with second end of described resistance R2, the first end of described resistance R2 is connected with the boosting enable pin of described Micro-processor MCV, between the base stage that described resistance R3 is connected to described NPN type triode Q1 and emitter, the grounded emitter of described NPN type triode Q1, the drain electrode of described P type metal-oxide-semiconductor is connected with described voltage detection module.
3. electronic equipment power source circuit as claimed in claim 2, it is characterized in that, described voltage detection module comprises:
Filter capacitor C2, filter capacitor C3, filter capacitor C4, filter capacitor C5, filter capacitor C6, polar capacitor C7, fly-wheel diode ZD1, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, inductance L 1, boost control chip U1;
The first end of described inductance L 1 respectively with the drain electrode of described P type metal-oxide-semiconductor P1, the first end of described resistance R5, the voltage input pin of described boost control chip U1, the enable pin of described boost control chip U1, the first end of described filter capacitor C2 and the first end of described filter capacitor C3 connect, second end of described resistance R5 is connected with the first end of described resistance R4 and the He Ne laser pin of described boost control chip U1 respectively, described resistance R6 is connected between the voltage compensation pin of described boost control chip U1 and the first end of described filter capacitor C4, second end of described filter capacitor C2, second end of described filter capacitor C3, the earth terminal of second end of described resistance R4 and second end of described filter capacitor C4 and described boost control chip U1 is connected to ground altogether, second end of described inductance L 1 respectively with the switching voltage output pin of described boost control chip U1, the first end of described filter capacitor C6 and the anode of described fly-wheel diode ZD1 connect, second end of described filter capacitor C6 respectively with the earth terminal of described boost control chip U1, second end of described filter capacitor C5, second end of described resistance R8 and the negative electrode of described polar capacitor C7 are connected to ground altogether, the first end of described filter capacitor C5 is connected with the soft start pin of described boost control chip U1, the first end of described resistance R8 is connected with the feedback pin of described boost control chip U1 and second end of described resistance R7 respectively, the negative electrode of described fly-wheel diode ZD1 is connected to described switching controls module altogether with the first end of described resistance R7 and the anode of described polar capacitor C7 respectively.
4. electronic equipment power source circuit as claimed in claim 3, it is characterized in that, described switching controls module comprises:
Resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, NPN type triode Q2, NPN type triode Q3, P type metal-oxide-semiconductor P2;
The first end of described resistance R11 is connected with described voltage detection module, described resistance R12 is connected to second end of described resistance R11 and between the collector electrode of described NPN type triode Q2 and the base stage of described NPN type triode Q3, the base stage of described NPN type triode Q2 is connected with the first end of described resistance R9 and the first end of described resistance R10 respectively, second end of described resistance R9 is connected with the charge/discharge transition enabled pin of described Micro-processor MCV, second end of described resistance R10, the emitter of described NPN type triode Q2 and the grounded emitter of described NPN type triode Q3, the collector electrode of described NPN type triode Q3 is connected with the first end of described resistance R13 and the grid of described P type metal-oxide-semiconductor P2 respectively, second end of described resistance R13 is connected with second end of described resistance R11 and the source electrode of described P type metal-oxide-semiconductor P2 respectively, the source electrode of described P type metal-oxide-semiconductor P2 is the electric discharge output of described electronic equipment power source circuit, the drain electrode of described P type metal-oxide-semiconductor P2 is the charging input end of described electronic equipment power source circuit.
5. electronic equipment power source circuit as claimed in claim 4, it is characterized in that, described current sample module comprises:
Resistance R14, resistance R15, resistance R16, resistance R17;
Between the second end that described resistance R14 and described resistance R15 is connected to described resistance R11 and ground, between the first end that described resistance R16 and described resistance R17 is connected to described resistance R11 and ground, described resistance 14 is connected with the first current detecting end of described Micro-processor MCV with the public connecting end of described resistance R15, and described resistance R16 is connected with the second current detecting end of described Micro-processor MCV with the public connecting end of described resistance R17.
6. an electronic equipment, is characterized in that, described electronic equipment comprises the electronic equipment power source circuit as described in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744726.0A CN105262178A (en) | 2015-11-06 | 2015-11-06 | Electronic equipment power circuit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744726.0A CN105262178A (en) | 2015-11-06 | 2015-11-06 | Electronic equipment power circuit and electronic equipment |
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| CN105262178A true CN105262178A (en) | 2016-01-20 |
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| CN201510744726.0A Pending CN105262178A (en) | 2015-11-06 | 2015-11-06 | Electronic equipment power circuit and electronic equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610220A (en) * | 2016-01-25 | 2016-05-25 | 苏黎 | Charge and discharge circuit for mobile terminal and mobile terminal |
| CN105634062A (en) * | 2016-01-31 | 2016-06-01 | 苏黎 | Charging circuit and system for mobile terminal |
| CN113030781A (en) * | 2021-02-26 | 2021-06-25 | 维沃移动通信有限公司 | Electric leakage detection method and electronic equipment |
| CN113572357A (en) * | 2021-07-23 | 2021-10-29 | 维沃移动通信有限公司 | Electronic device |
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| CN101355260A (en) * | 2008-09-17 | 2009-01-28 | 中国航天时代电子公司第七七一研究所 | Transformation controller for charging and discharging lithium ion accumulator as well as transformation control method thereof |
| CN203233198U (en) * | 2013-04-18 | 2013-10-09 | 深圳凯虹移动通信有限公司 | Battery charging and discharging control circuit and mobile terminal |
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| US20040051498A1 (en) * | 2002-09-16 | 2004-03-18 | Samsung Electronics Co., Ltd. | Battery charging system and charging method thereof |
| CN201113463Y (en) * | 2007-09-20 | 2008-09-10 | 李仕清 | Full-automatic highly effective boost-buck circuit |
| CN101355260A (en) * | 2008-09-17 | 2009-01-28 | 中国航天时代电子公司第七七一研究所 | Transformation controller for charging and discharging lithium ion accumulator as well as transformation control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610220A (en) * | 2016-01-25 | 2016-05-25 | 苏黎 | Charge and discharge circuit for mobile terminal and mobile terminal |
| CN105634062A (en) * | 2016-01-31 | 2016-06-01 | 苏黎 | Charging circuit and system for mobile terminal |
| CN113030781A (en) * | 2021-02-26 | 2021-06-25 | 维沃移动通信有限公司 | Electric leakage detection method and electronic equipment |
| CN113572357A (en) * | 2021-07-23 | 2021-10-29 | 维沃移动通信有限公司 | Electronic device |
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