CN109378868A - Electronic device power supply circuit and electronic equipment - Google Patents
Electronic device power supply circuit and electronic equipment Download PDFInfo
- Publication number
- CN109378868A CN109378868A CN201811073936.1A CN201811073936A CN109378868A CN 109378868 A CN109378868 A CN 109378868A CN 201811073936 A CN201811073936 A CN 201811073936A CN 109378868 A CN109378868 A CN 109378868A
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- CN
- China
- Prior art keywords
- battery core
- protection board
- core protection
- power supply
- electronic equipment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/00306—Overdischarge protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The application proposes a kind of electronic equipment power supply circuit and electronic equipment, wherein circuit includes: battery core, the first battery core protection board, the second battery core protection board, the first power management component and second source management assembly；The output end of battery core is connect with the input terminal of the input terminal of the first battery core protection board and the second battery core protection board respectively；The output end of first battery core protection board, connect with the input terminal of the first power management component；The output end of first power management component is used to provide system the first supply voltage for electronic equipment；The output end of second battery core protection board is connect with the input terminal of second source management assembly；The output end of second source management assembly is used to provide the second supply voltage for peripheral apparatus, wherein the second supply voltage is greater than the first supply voltage.By the way that two battery core protection boards are arranged, make to power to peripheral apparatus and be used separately system power supply different battery core protection boards, eliminate influence of pressure drop of the high current on battery core protection board to system power supply voltage.
Description
Technical field
This application involves technical field of electronic equipment more particularly to a kind of electronic equipment power supply circuits and electronic equipment.
Background technique
With the continuous development of electronic device technology, electronic equipment can also be other while oneself is worked normally
Equipment provides electric energy, such as the OTG function of electronic equipment, wireless charging function etc..
But when electronic equipment is powered to other equipment, if supply current is excessive, it may result in electronic equipment
System voltage surprisingly shuts down lower than minimum voltage requirement so as to cause electronic apparatus system.
Summary of the invention
The application proposes a kind of electronic equipment power supply circuit and electronic equipment, sets in the related technology to other for solving
When available electricity, electric current is excessive to may result in the problem of electronic equipment surprisingly shuts down.
The application one side embodiment proposes a kind of electronic equipment power supply circuit, comprising: battery core, the protection of the first battery core
Plate, the second battery core protection board, the first power management component and second source management assembly；
The output end of the battery core, respectively with the input terminal of the first battery core protection board and the second battery core protection board
Input terminal connection；
The output end of the first battery core protection board is connect with the input terminal of first power management component；
The output end of first power management component is used to provide system the first supply voltage for the electronic equipment；
The output end of the second battery core protection board is connect with the input terminal of the second source management assembly；
The output end of the second source management assembly is used to provide the second supply voltage for peripheral apparatus, wherein described
Second supply voltage is greater than first supply voltage.
The electronic device power supply circuit of the embodiment of the present application, by the way that two battery core protection boards are arranged, so as to peripheral apparatus
It powers and is used separately different battery core protection boards to system power supply, to eliminate pressure drop pair of the high current on battery core protection board
The influence of system power supply voltage reduces the risk that electronic apparatus system surprisingly shuts down because system voltage is too low.
The application another aspect embodiment proposes a kind of electronic equipment, comprising: as described in above-mentioned one side embodiment
Power supply circuit.
The application another aspect embodiment proposes a kind of electronic equipment, comprising: separately positioned host side and screen end；
The host side, including the power supply circuit as described in above-mentioned one side embodiment；
The feeder ear at the screen end is connect with the output end of second source management assembly in the power supply circuit.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of a kind of electronic equipment power supply circuit provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of another electronic device power supply circuit provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of another electronic device power supply circuit provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 5 is the structural schematic diagram of another electronic equipment provided by the embodiments of the present application.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
Below with reference to the accompanying drawings the electronic device power supply circuit and electronic equipment of the embodiment of the present application are described.
The embodiment of the present application, in the related technology using electronic equipment to other equipment charge when, work as other equipment
When loading larger or electronic equipment to other equipment progress fast charge, electric current is larger, the battery core internal resistance of electronic equipment and protection board
DC impedance easily causes biggish pressure drop, causes system voltage too low, asks so as to cause what electronic apparatus system surprisingly shut down
Topic proposes a kind of electronic equipment power supply circuit.
The electronic device power supply circuit that the embodiment of the present application proposes, comprising: battery core, the first battery core protection board, the second battery core
Protection board, the first power management component and second source management assembly, wherein the output end of battery core is protected with the first battery core respectively
The connection of the input terminal of the input terminal of backplate and the second battery core protection board, the output end of the first battery core protection board, with the first power supply pipe
Manage the input terminal connection of component, the output end of the first power management component is used to provide system first for electronic equipment and powers electricity
Pressure, and the output end of the second battery core protection board is connect with the input terminal of second source management assembly, second source management assembly
Output end is used to provide the second supply voltage for peripheral apparatus, wherein the second supply voltage is greater than the first supply voltage.As a result,
By the way that two battery core protection boards are arranged, so that powering to peripheral apparatus and being used separately different battery cores protections to system power supply
Plate reduces electronic apparatus system to eliminate influence of pressure drop of the high current on battery core protection board to system power supply voltage
The risk surprisingly shut down because system voltage is too low.
Fig. 1 is the structural schematic diagram of a kind of electronic equipment power supply circuit provided by the embodiments of the present application.
As shown in Figure 1, the electronic device power supply circuit includes: battery core 110, the first battery core protection board 120, the second battery core guarantor
Backplate 130, the first power management component 140 and second source management assembly 150.
Wherein, the output end of battery core 110, respectively with the input terminal of the first battery core protection board 120 and the second battery core protection board
130 input terminal connection.That is, battery core 110 is connect with two battery core protection boards respectively.Wherein, battery core protection board is main
It is the integrated circuit board to shield for rechargeable battery.
The output end of first battery core protection board 120 is connect with the input terminal of the first power management component 140.First power supply
The output end of management assembly 140 is used to provide system the first supply voltage for electronic equipment.
The output end of second battery core protection board 130 is connect with the input terminal of second source management assembly 150, second source pipe
The output end of reason component 150 is used to provide the second supply voltage for peripheral apparatus.Wherein, the second supply voltage is greater than the first power supply
Voltage, that is to say, that be greater than the supply voltage to electronic apparatus system to the supply voltage of peripheral apparatus.
Wherein, peripheral apparatus can be other electronic equipments, for example, electronic equipment is other electronics by OTG connecting line
Equipment charge.Alternatively, electronic equipment includes isolated host side and screen end, by host side to the power supply of screen end, i.e., for host
For end, screen end is peripheral apparatus.
In practical applications, second source management assembly 150 can be required according to the supply voltage of peripheral apparatus, and output corresponds to
Supply voltage.
In the present embodiment, the output end of battery core 110 connects two battery core protection boards, passes through the output of a battery core protection board
Electronic apparatus system is powered, is peripheral apparatus power supply by the output of another battery core protection board, so that being set to peripheral hardware
Standby high current, which is powered, is used separately different battery core protection boards from system power supply, to eliminate high current in battery core protection board
Influence of the pressure drop to electronic apparatus system voltage, reduces the wind that electronic apparatus system surprisingly shuts down because system voltage is too low
Danger.
In practical applications, using the power supply circuit of electronic equipment provided by the embodiments of the present application, to electronic equipment
While itself powers, large current charge is carried out to peripheral apparatus, and the risk that electronic apparatus system surprisingly shuts down is smaller.
It furthermore, can be in battery core protection board and power supply pipe in a kind of possible implementation of the embodiment of the present application
Series electrical meter between component is managed, with the charge value in acquisite approachs.Fig. 2 is that another electronics provided by the embodiments of the present application is set
The structural schematic diagram of standby power supply circuit.
As shown in Fig. 2, the electronic device power supply circuit may also include that the first voltameter 160 and the second voltameter 170.
Wherein, the output end of the first battery core protection board 120 is connect with the input terminal of the first voltameter 160, the first voltameter
160 output end is connect with the first power management component 140, so that the first voltameter 160 is serially connected in the first battery core protection board 120
Between the first power management component 140.The output of the first battery core protection board 120 is detected using the first voltameter 160 as a result,
Electricity.
The output end of second battery core protection board 130 is connect with the input terminal of the second voltameter 170, the second voltameter 170
Output end is connect with second source management assembly 150, so that the second voltameter 170 is serially connected in the first battery core protection board 130 and
Between two power management components 150.The electricity of the second battery core protection board 170 output is detected using the second voltameter 170 as a result,
Amount.
In the present embodiment, the information for the charge value that the first voltameter 160 and the second voltameter 170 can will carry detection is divided
It is not sent to the first power management component 140 and second source management assembly 150.
Further, the first power management component 140 can be communicatively coupled with second source management assembly 150, such as benefit
It is communicated with wireless communication link, then the first power management component 140 can obtain second from second source management assembly 150
The charge value that voltameter 170 exports, and according to the electricity of the charge value of the first voltameter 160 output and the output of the second voltameter 170
Magnitude determines the residual electric quantity of battery core.
It is assumed that the total capacity of battery core is Q, the charge value of voltameter detection is negative value when battery core is discharged, when charging to battery core,
The charge value of voltameter detection is positive value.If the charge value of the first voltameter 160 output is QA, the output of the second voltameter 170
Charge value is QB, then the residual electric quantity of battery core is Qt=Q+QA+QB.
During electronic equipment powers to peripheral apparatus, battery core is also powered to electronic apparatus system, battery core
Residual electric quantity be gradually reduced, in order to improve single cruise duration of battery core, the first power management component 140 can also be according to electricity
Core residual electric quantity, adjust electronic apparatus system uses power mode.
For example, electronic apparatus system is cut automatically with power mode when battery core residual electric quantity is lower than default power threshold
It is changed to Low Power Mode, such as closing background application, or closing network application is automatically aobvious from network side acquisition information, reduction system
Brightness, closing system prompt sound of display screen etc..To reduce the power consumption of electronic apparatus system.
The electronic device power supply circuit of the embodiment of the present application, battery core can discharge while set for electronic apparatus system and peripheral hardware
Available electricity.Since the battery of electronic equipment is usually rechargeable battery, then being also required to as battery core charging.Fig. 3 is that the application is real
The structural schematic diagram of another electronic device power supply circuit of example offer is provided.
In the present embodiment, as shown in figure 3, the first power management component 140 can also connect with the charging interface of electronic equipment
It connects.
That is, can be filled by the path where the first battery core protection board 120 to battery core when charging to battery core
Electricity；When battery core is discharged, it can discharge respectively by 130 liang of paths of the first battery core protection board 120 and the second battery core protection board.
In the present embodiment, the output end of second source management assembly 150 for peripheral apparatus for being powered.Actually answering
In, its supply voltage of different peripheral apparatus may be different, in order to the peripheral apparatus power supply to different power voltage.Into
One step, in the present embodiment, second source management assembly 150 can also adjust second according to the peripheral apparatus supply voltage of acquisition
The working condition of voltage conversion circuit in power management component 150, so that the output end of second source management assembly 150 exported
Voltage is consistent with the supply voltage of peripheral apparatus.
Wherein, the voltage conversion circuit in second source management assembly 150 can be booster circuit, such as Boost boosting electricity
The voltage swing on road, booster circuit output is adjustable.
For example, the supply voltage of peripheral apparatus is 5V, then booster circuit can be exported according to peripheral apparatus supply voltage demand
5V voltage.
Second source management assembly 150 can determine that peripheral hardware is set according to peripheral apparatus type when determining peripheral apparatus voltage
Standby voltage.Specifically, second source management assembly 150 can recognize after second source management assembly 150 is connect with peripheral apparatus
The type of peripheral apparatus determines peripheral apparatus supply voltage then according to the type of peripheral apparatus, and then adjusts voltage change electricity
The working condition on road, with supply voltage needed for exporting peripheral apparatus.Wherein, second source management assembly 150 and peripheral apparatus
Between connection can be wired connection, be also possible to be wirelessly connected.
For example, determining that supply voltage is 5v when second source management assembly 150 identifies that peripheral apparatus is a equipment, working as identification
When peripheral apparatus is b equipment, determine that supply voltage is 4.5v etc..
Alternatively, second source management assembly 150 is instructed according to the power supply of acquisition, peripheral apparatus supply voltage is determined.Specifically
For, after second source management assembly 150 is connect with peripheral apparatus, user can choose or input the power supply to peripheral apparatus
Voltage, at this moment second source management assembly 150 can obtain power supply instruction, wherein carry supply voltage in power supply instruction, then
Second source management assembly 150 extracts the supply voltage in power supply instruction, and then adjusts voltage conversion circuit according to supply voltage
Working condition, with supply voltage needed for exporting peripheral apparatus, peripheral apparatus is powered.
In order to realize above-described embodiment, the embodiment of the present application also proposes a kind of electronic equipment.The electronic equipment includes above-mentioned
Power supply circuit described in embodiment.That is, power supply circuit described in above-described embodiment is respectively provided in the electronic device, thus
Can use the electronic equipment is that other electronic equipments are powered.
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application.
Further, in a kind of possible way of realization of the embodiment of the present application, as shown in figure 4, the electronic equipment may be used also
It include: separately positioned host side 100 and screen end 200.
Wherein, the battery core 110 in power supply circuit, the first battery core protection board 120 and the setting of the first power management component 140 exist
Host side 100.Second battery core protection board 130 and the setting of second source management assembly 150 are at screen end 200.
Specifically, the output end of battery core 110 input terminal and screen with the first battery core protection board 120 respectively in host side 100
The input terminal connection of second battery core protection board 130, the output end and the first power management component of the first battery core protection board 120 in end
140 input terminal connection, the first power management component 140 is for being powered host end system.Wherein, battery core 110 exports
Connection between end and 130 input terminal of the second battery core protection board can be wired connection, be also possible to be wirelessly connected.
The input terminal of second battery core protection board 130 is connect with the output end of the battery core 110 in host side 100 in screen end 200,
The output end of second battery core protection board 130 is connect with the input terminal of second source management assembly 150, second source management assembly
150, which can provide voltage, is powered screen end 200.Host side 100 can give screen end by the second battery core protection board 130 as a result,
200 power supplies.
Furthermore, the first voltameter being serially connected between the first battery core protection board 120 and the first power management component 140
160 are located at host side 100, the second voltameter being serially connected between the second battery core protection board 130 and second source management assembly 150
170 are located at screen end 200.
The electronic equipment of the embodiment of the present application, in host side the output end of battery core respectively with the battery core protection board in host side
It is connected with the battery core protection board at screen end, different battery core protections is thus used separately to host side system power supply and to the power supply of screen end
Plate can eliminate influence of pressure drop of the high current on screen end battery core protection board to host side system voltage, reduce host side system
The risk that system surprisingly shuts down.
In order to realize above-described embodiment, the embodiment of the present application also proposes another electronic equipment.Electricity in above-described embodiment
Sub- equipment may include host side and screen end, and the first battery core protection board and the second battery core protection board are separately positioned on host side and screen
End.
Fig. 5 is the structural schematic diagram of another electronic equipment provided by the embodiments of the present application.
As shown in figure 5, the electronic equipment may include separately positioned host side 300 and screen end 400.
Wherein, host side 300 includes power supply circuit described in above-described embodiment, shields the feeder ear and power supply circuit at end 400
The output end of middle second source management assembly 150 connects.
Wherein, power supply circuit includes battery core 110, the first battery core protection board 120, the second battery core protection board 130, the first power supply
Management assembly 140 and second source management assembly 150, specific connection relationship is referring to the content recorded in above-described embodiment.
In the present embodiment, shield the feeder ear at end 400 and the output end of the second source management assembly 150 in host side 300
Connection, then host side 300 can carry out high current power supply to screen end 400.Wherein, shield the feeder ear and second source pipe at end 400
Managing can wirelessly can also be connected between the output end of component 150 by wired connection.That is, host
End 300 can by it is wired or wirelessly to screen end be powered.
The electronic equipment of the embodiment of the present application, the output end of battery core is protected with two battery cores in host side respectively in host side
The second source management assembly connection on the feeder ear and host side at end is shielded in backplate connection, thus to host side system power supply and
Different battery core protection boards is used separately to the power supply of screen end, high current can be eliminated for the battery core protection board to the power supply of screen end
On influence of the pressure drop to host side system voltage, reduce the risk that host end system surprisingly shuts down.
In the description of this specification, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " is defined as a result,
Sign can explicitly or implicitly include at least one of the features.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of electronic equipment power supply circuit characterized by comprising battery core, the first battery core protection board, the protection of the second battery core
Plate, the first power management component and second source management assembly；
The output end of the battery core, it is defeated with the input terminal of the first battery core protection board and the second battery core protection board respectively
Enter end connection；
The output end of the first battery core protection board is connect with the input terminal of first power management component；
The output end of first power management component is used to provide system the first supply voltage for the electronic equipment；
The output end of the second battery core protection board is connect with the input terminal of the second source management assembly；
The output end of the second source management assembly is used to provide the second supply voltage for peripheral apparatus, wherein described second
Supply voltage is greater than first supply voltage.
2. circuit as described in claim 1, which is characterized in that further include: be serially connected in the first battery core protection board with it is described
The first voltameter between first power management component；
And it is serially connected in the second voltameter between the second battery core protection board and the second source management assembly.
3. circuit as claimed in claim 2, which is characterized in that first power management component and the second source management
Assembly communication connection；
First power management component, the charge value and second voltameter for being exported according to first voltameter are defeated
Charge value out determines the residual electric quantity of the battery core.
4. circuit as claimed in claim 3, which is characterized in that first power management component is also used to according to the electricity
The residual electric quantity of core, adjust the electronic apparatus system uses power mode.
5. the circuit as described in claim 1-4 is any, which is characterized in that first power management component also with the electronics
The charging port of equipment connects.
6. the circuit as described in claim 1-4 is any, which is characterized in that the second source management assembly is also used to basis
The peripheral apparatus supply voltage of acquisition adjusts the working condition of voltage conversion circuit in the second source management assembly.
7. circuit as claimed in claim 6, which is characterized in that the second source management assembly, for according to the outer of access
If the type of equipment, the peripheral apparatus supply voltage is determined；
Alternatively,
The second source management assembly determines the peripheral apparatus supply voltage for instructing according to the power supply of acquisition.
8. a kind of electronic equipment characterized by comprising power supply circuit as claimed in claim 1.
9. electronic equipment as claimed in claim 8, which is characterized in that further include: separately positioned host side and screen end；
Wherein, the battery core in the power supply circuit, the first battery core protection board and the first power management component are arranged in the host
End；
The second battery core protection board and second source management assembly are arranged at the screen end.
10. a kind of electronic equipment characterized by comprising separately positioned host side and screen end；
The host side, including power supply circuit as claimed in claim 1；
The feeder ear at the screen end is connect with the output end of second source management assembly in the power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073936.1A CN109378868B (en) | 2018-09-14 | 2018-09-14 | Electronic equipment power supply circuit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073936.1A CN109378868B (en) | 2018-09-14 | 2018-09-14 | Electronic equipment power supply circuit and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109378868A true CN109378868A (en) | 2019-02-22 |
| CN109378868B CN109378868B (en) | 2021-05-14 |
Family
ID=65405354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811073936.1A Active CN109378868B (en) | 2018-09-14 | 2018-09-14 | Electronic equipment power supply circuit and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109378868B (en) |
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| CN110912213A (en) * | 2018-09-17 | 2020-03-24 | Oppo广东移动通信有限公司 | Electronic equipment, power supply method of electronic equipment and storage medium |
| CN113556642A (en) * | 2021-07-09 | 2021-10-26 | 维沃移动通信有限公司 | Electronic equipment assembly and terminal equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109378868B (en) | 2021-05-14 |
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