CN215870794U - Power supply control circuit and electronic equipment - Google Patents
Power supply control circuit and electronic equipment Download PDFInfo
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- CN215870794U CN215870794U CN202121357569.5U CN202121357569U CN215870794U CN 215870794 U CN215870794 U CN 215870794U CN 202121357569 U CN202121357569 U CN 202121357569U CN 215870794 U CN215870794 U CN 215870794U
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Abstract
The embodiment of the application discloses power supply control circuit sets up first power supply circuit and second power supply circuit in power supply control circuit, and first power supply circuit is connected with first work device electricity, and second power supply circuit is connected with second work device electricity, and control module and second power supply circuit are connected with first work device electricity. When the first working device is in a standby state, the power supply is connected with a first power supply circuit, and the first power supply circuit supplies power to the first working device; when the first working device and the second working device are both in working states, the power supply is connected with the second power supply circuit, and the control module is connected with the second power supply circuit and the first working device, so that the second power supply circuit supplies power to the first working device and the second working device. When the working device is in different working states, different power supply circuits are adopted to supply power, and the energy consumption of the electronic equipment can be reduced.
Description
Technical Field
The application relates to the technical field of integrated circuits, in particular to a power supply control circuit and electronic equipment.
Background
With the development of integrated circuit technology, a plurality of working devices are often required to be arranged on electronic equipment, so that the electronic equipment can realize different functions. Among these working devices, some working devices need to be continuously operated to ensure normal use of a certain function of the electronic device, and some working devices only need to be operated when in use.
In order to ensure that all working devices on the electronic equipment work normally, a power supply is often adopted to electrically connect all the devices, but a circuit and a power supply management chip in the electronic equipment can consume part of electric energy, so that the electronic equipment has high energy consumption
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a power supply control circuit and electronic equipment. The control circuit can adjust the power supply mode according to the state of the internal working device of the electronic equipment, thereby saving the electric energy of the electronic equipment.
In a first aspect, an embodiment of the present application provides a power supply control circuit, where the power supply control circuit includes:
the first power supply circuit is electrically connected with the first working device;
the second power supply circuit is electrically connected with the second working device;
the power supply can selectively switch on the first power supply circuit or the second power supply circuit;
the control module is electrically connected with the second power supply circuit and the first working device;
when the first working device is in a standby state, the power supply switches on the first power supply circuit so that the first power supply circuit supplies power to the first working device;
when the first working device and the second working device are both in working states, the power supply is connected with the second power supply circuit, and the control module is connected with the second power supply circuit and the first working device, so that the second power supply circuit supplies power to the first working device and the second working device.
In a second aspect, an embodiment of the present application provides an electronic device, where the electronic device includes the power supply control circuit provided in the embodiment of the present application, and the electronic device includes:
the processor is used for detecting the working states of a first working device and a second working device in the power supply control circuit;
the processor controls the switch to switch on the power supply and the first power supply circuit when the first working device is in a standby state, so that the first power supply circuit supplies power to the first working device;
when the first working device and the second working device are both in working states, the processor controls the switch to switch on the power supply and the second power supply circuit, so that the second power supply circuit supplies power to the first working device and the second working device.
In the embodiment of the application, a first power supply circuit and a second power supply circuit are arranged in a power supply control circuit, the first power supply circuit is electrically connected with a first working device, the second power supply circuit is electrically connected with a second working device, and a control module is electrically connected with the second power supply circuit and the first working device. When the first working device is in a standby state, the power supply is connected with a first power supply circuit, and the first power supply circuit supplies power to the first working device; when the first working device and the second working device are both in working states, the power supply is connected with the second power supply circuit, and the control module is connected with the second power supply circuit and the first working device, so that the second power supply circuit supplies power to the first working device and the second working device. When the working device is in different working states, different power supply circuits are adopted to supply power, and the energy consumption of the electronic equipment can be reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a first circuit schematic diagram of a power supply control circuit provided in an embodiment of the present application.
Fig. 2 is a second circuit schematic diagram of a power supply control circuit provided in an embodiment of the present application.
Fig. 3 is a third circuit schematic diagram of a power supply control circuit according to an embodiment of the present application.
Fig. 4 is a fourth circuit schematic diagram of a power supply control circuit provided in an embodiment of the present application.
Fig. 5 is a fifth circuit schematic diagram of a power supply control circuit provided in an embodiment of the present application.
Fig. 6 is a sixth circuit schematic diagram of a power supply control circuit provided in an embodiment of the present application.
Fig. 7 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that terms such as "first", "second", and the like are used merely to distinguish one similar element from another, and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated.
In the prior art, a plurality of working devices are often required to be arranged in electronic equipment, some working devices are required to be operated continuously for a long time, and some working devices are only operated when required. In order to ensure the normal operation of the electronic device, some of the prior art adopts a mode of continuously supplying power to the working devices so as to ensure that some working devices can continuously operate all the time. But this approach may result in higher power consumption of the electronic device.
In order to solve the technical problem, an embodiment of the present application provides a power supply control circuit.
Referring to fig. 1, fig. 1 is a first circuit diagram of a power supply control circuit according to an embodiment of the present disclosure.
The power supply control circuit includes a power supply 60, a first operating device 20, a second operating device 50, a control module 30, a first power supply circuit 10, and a second power supply circuit 40. Wherein one end of the first power supply circuit 10 is used to electrically connect with the power supply 60, and the other end of the first power supply circuit 10 is electrically connected with the first operating device 20.
One end of the second power supply circuit 40 is electrically connected to the power supply 60, and the other end of the second power supply circuit 40 is electrically connected to the second operating device 50.
One end of the control module 30 is connected to the first operating device 20, and the other end of the control module 30 is connected to the second power supply circuit 40.
The power source 60 may be selectively connected to the first power supply circuit 10 or the second power supply circuit 40.
When the first operating device 20 is in the standby state, the power supply 60 may switch on the first power supply circuit 10, and the power supply 60 switches off the connection with the second power supply circuit 40. The power supply 60 may supply the first operating device 20 with power required for standby.
When the first operating device 20 and the second operating device 50 are both in the operating state, the power supply 60 may switch on the second power supply circuit 40, and the power supply 60 may switch off the connection with the first power supply circuit 10. The power source 60 may provide the first and second working devices 20 and 50 with power required for operation.
When the first operating device 20 is in the standby state and the second operating device 50 is in the power-off state, the power supply 60 can turn on the first power supply circuit 10 and the power supply 60 can turn off the second power supply circuit 40. The power required for the standby of the first operating device 20 may be provided by the first power supply circuit 10. The internal part of the control module 30 is in the open circuit state, and the end of the control module 30 connected to the first operating device 20 and the end connected to the second power supply circuit 40 are not connected.
When the second operation device 50 is operated, the second operation device 50 is in a normal operation state, and at this time, the power supply 60 is connected to the second power supply circuit 40, and the power supply 60 is disconnected from the first power supply circuit 10. The power for the second operation device 50 is supplied by the second power supply circuit 40.
It should be noted that, when the power supply 60 is connected to the second power supply circuit 40, the first operating device 20 may be in a standby state or an operating state, and at this time, one end of the control module 30 connected to the first operating device 20 is connected to one end of the control module connected to the second power supply circuit 40. The power output by the second power supply circuit 40 can be transmitted to the first operating device 20 through the control module 30. At this time, although the first power supply circuit 10 is in the non-energized state, the first operating device 20 can still be in a standby state or in an operating state by the power supplied from the second power supply circuit 40.
In the embodiment of the present application, the power supply to the first operating device 20 and/or the second operating device 50 is implemented by selecting the corresponding power supply circuit according to the operating states of the first operating device 20 and the second operating device 50 in the power supply control circuit, instead of powering on the entire power supply control circuit, so that the energy consumption of the entire power supply control circuit is reduced.
Referring to fig. 2, fig. 2 is a second circuit diagram of a power supply control circuit according to an embodiment of the present disclosure.
The second power supply circuit 40 includes a first control unit 41, and the first control unit 41 includes a first input terminal 411 and a first output terminal 412. The first control unit 41 is to prevent the voltage and current input to the second operating device 50 and the first operating device 20 from being too high, that is, the first control unit 41 is to cut down the voltage and current input from the power supply 60.
The control module 30 includes a first interface 301, a second interface 302, and a third interface 303, where the first interface 301 is connected to the first input terminal 411, the second interface 302 is connected to the first output terminal 412, and the third interface 303 is connected to the first operating device 20.
When the power supply 60 turns on the second power supply circuit 40, the first operating device 20 and the second operating device 50 are in an operating state. The voltage of the first input terminal 411 is higher than the voltage of the first output terminal 412, at this time, the voltage of the first interface 301 is higher than the voltage of the second interface 302, at this time, due to a voltage difference existing between the first interface 301 and the second interface 302, an element between the second interface 302 and the third interface 303 of the control module 30 is in a conducting state, so that the second interface 302 and the third interface 303 are conducted, at this time, a current output by the first output terminal 412 can flow to the first operating device 20 through the second interface 302 and the third interface 303, so that the first operating device 20 is in an operating state, or the first operating device 20 is maintained in a standby state.
When the power supply 60 turns on the first power supply circuit 10, the first operating device 20 can be in a standby state by the power supplied from the first power supply circuit 10, and the second operating device 50 is in a power-off state.
At this time, voltages of the first input terminal 411 and the first output terminal 412 of the first control unit 41 are both zero, a voltage difference between the first interface 301 and the second interface 302 is also zero, and a voltage difference between the first interface 301 and the second interface 302 is also zero, so that devices between the second interface 302 and the third interface 303 cannot be turned on, and finally, the second interface 302 and the third interface 303 are in an open circuit state, and a current flowing out from the first power supply circuit 10 cannot flow to the second operating device 50 through the control module 30, so that the second operating device 50 is in a power-off state.
Referring to fig. 3, fig. 3 is a third circuit diagram of a power supply control circuit according to an embodiment of the present disclosure.
The control module 30 includes a Transistor Q1, the Transistor Q1 includes a Metal-Oxide-Semiconductor Field Effect Transistor (MOSFET), which is referred to as a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET), and the Transistor Q1 provided in the embodiment of the present application may be an N-type MOSFET. The transistor Q1 includes a first terminal 311, a second terminal 312, and a third terminal 313, specifically, the first terminal 311 is a gate (gate), the second terminal 312 is a source (source), and the third terminal 313 is a drain (drain). It should be noted that the transistor Q1 in the present application also includes other types of transistors, and is not limited to a mosfet.
The control module 30 further comprises an adjusting unit, one end of which is connected to the first terminal 311, and the other end of which is connected to the first input terminal 411, it being understood that the adjusting unit is connected in series with the first terminal 311 and the first input terminal 411. The main function of the regulating unit is to regulate the operating state of the transistor Q1.
The adjusting unit specifically comprises a first resistor R1 and a first diode D1, wherein a first end 311 of the first resistor R1 is connected to the first end 311, and the other end of the first resistor R1 is connected to the first input terminal 411. The anode of the first diode D1 is connected to the first terminal 311, and the cathode of the first diode D1 is connected to the first input terminal 411. The first resistor R1 and the first diode D1 are connected in parallel.
When the first operating device 20 and the second operating device 50 are in the normal operating state, the power supply 60 turns on the second power supply circuit 40 at this time. Since the voltage of the first input terminal 411 is higher than the voltage of the first output terminal 412, the voltage of the first terminal 311 is higher than the voltage of the second terminal 312, and since there is a voltage difference between the first terminal 311 and the second terminal 312, according to the operation principle of the transistor Q1, the second terminal 312 and the third terminal 313 are in a conducting state, and when the second terminal 312 and the third terminal 313 are in a conducting state, the resistance between the second terminal 312 and the third terminal 313 is only in the milliohm level, so that the voltage output from the first output terminal 412 to the first operating device 20 is not shared too much by the resistance between the second terminal 312 and the third terminal 313. That is, at this time, the current outputted from the first output terminal 412 can flow to the first operating device 20 through the transistor Q1.
The first resistor R1 plays a role of delaying the conduction of the second terminal 312 and the third terminal 313. When the resistance of the first resistor R1 is larger, the time for the first terminal 311 and the second terminal 312 to form a voltage difference is longer, so that the second terminal 312 and the third terminal 313 are conducted for a longer time.
When the first operating device 20 is in the standby state, the power supply 60 and the first power supply circuit 10 are turned on, and the power supply 60 and the second power supply circuit 40 are turned off. At this time, if no voltage difference is formed between the first terminal 311 and the second terminal 312, the second terminal 312 and the third terminal 313 cannot be turned on, the second terminal 312 and the third terminal 313 are in an off state, and the current output by the first power supply circuit 10 cannot flow to the second operating device 50 through the transistor Q1.
Among them, the first diode D1 plays a role of accelerating discharge. When the voltage difference exists between the first terminal 311 and the second terminal 312, the first terminal 311 and the second terminal 312 correspond to two terminals of a capacitor, and when the second power supply circuit 40 is powered off, the first diode D1 can rapidly discharge the power stored in the capacitor, so that there is no voltage difference between the first terminal 311 and the second terminal 312.
Referring to fig. 4, fig. 4 is a fourth circuit diagram of a power supply control circuit according to an embodiment of the present disclosure.
The first power supply circuit 10 includes a second control unit 11 and a second diode D2, a second input 111 of the second control unit 11 is used for connecting with an input of the previous device, an output of the second control unit 11 is connected with an anode of a second diode D2, and a cathode of the second diode D2 is connected with the first operating device 20.
The third terminal 313 of the transistor Q1 is connected between the cathode of the second diode D2 and the first operating device 20, when the first operating device 20 and the second operating device 50 are in a normal operating state, the power supply 60 turns on the second power supply circuit 40, and due to the action of the second diode D2, the current flowing from the third terminal 313 cannot flow to the first control unit 41 through the second diode D2, so as to protect the first control unit 41.
When the first operating device 20 is in the standby state, the power supply 60 and the first power supply circuit 10 are turned on, and the power supply 60 and the second power supply circuit 40 are turned off, at this time, the second control unit 11 may reduce the voltage and the current input to the second input end 111, so that the current and the voltage output by the second output end 112 meet the requirements of the first operating device 20 in the standby state, thereby protecting the first operating device 20.
Referring to fig. 5, fig. 5 is a fifth circuit diagram of a power supply control circuit according to an embodiment of the present disclosure.
As shown in fig. 5, the first power supply circuit 10 includes a second resistor R2 and a third diode D3, wherein the second resistor R2 is connected to the second input terminal 111 of the second control unit 11 for reducing the voltage and current input to the second control unit 11.
When the power supply 60 is connected to the first power supply circuit 10, the anode of the third diode D3 is connected to the power supply 60, the cathode of the third diode D3 is connected to the second resistor R2, and the third diode D3 prevents a reverse current from flowing to the power supply 60, thereby protecting the power supply 60.
The second power supply circuit 40 includes a third control unit 42 and a third resistor R3. The third control unit 42 includes a third input terminal 421 and a third output terminal 422, and when the power supply 60 turns on the second power supply circuit 40, the third input terminal 421 is connected to the power supply 60.
The third resistor R3 is connected in series between the third output terminal 422 and the first input terminal 411, and the third resistor R3 is used to reduce the voltage and current input to the first control unit 41.
Referring to fig. 6, fig. 6 is a sixth circuit diagram of a power supply control circuit according to an embodiment of the present disclosure.
The first power supply circuit 10 includes a first polarity capacitor C1, a first capacitor C2, and a second capacitor C3. The first polarity capacitor C1 and the first capacitor C2 are connected in parallel between the second resistor R2 and the second control unit 11, the positive electrode of the second polarity capacitor C4 is connected to the second input end 111 of the second control unit 11, and when the current input to the second control unit 11 is not very stable, the first polarity capacitor C1 can release the stored power to allow the second control unit 11 to work normally. The first capacitor C2 is capable of filtering the electrical signal input to the second control unit 11.
The second capacitor C3 is connected in parallel between the second control unit 11 and the second diode D2, and the second capacitor C3 is used for filtering the electric signal output by the second control unit 11.
The first control unit 41, the first polarity capacitor C1, the first capacitor C2, and the second capacitor C3 are all connected to the first ground point G1.
The second power supply circuit 40 includes a second polarity capacitor C4, a third polarity capacitor C7, a fourth polarity capacitor C11, a third capacitor C5, a fourth capacitor C6, a fifth capacitor C8, a sixth capacitor C9, a seventh capacitor C10, and an eighth capacitor C12.
The second polarity capacitor C4, the third capacitor C5 and the third input end 421 of the third control unit 42 are connected in parallel, and when the current input to the third control unit 42 is not very stable, the second polarity capacitor C4 can release the stored electric energy to allow the third control unit 42 to work normally. The third capacitor C5 is capable of filtering the electrical signal input to the third control unit 42.
The third polar capacitor C7, the fourth capacitor C6 and the fifth capacitor C8 are connected in parallel between the third control unit 42 and the third resistor R3, the fourth capacitor C6 is connected to the third output terminal 422 of the third control unit 42, the fifth capacitor C8 is connected to the input terminal of the third resistor R3, and the fourth capacitor C6 and the fifth capacitor C8 are used for filtering the electric signals output by the third output terminal 422. When the current input to the first control unit 41 is not very stable, the third polar capacitor C7 can discharge the stored electric energy for the first control unit 41 to work normally.
The sixth capacitor C9 and the seventh capacitor C10 are connected in parallel between the third resistor R3 and the first control unit 41, and the sixth capacitor C9 and the seventh capacitor C10 are used for filtering the electric signal input to the first control unit 41.
The fourth polarity capacitor C11 and the eighth polarity capacitor C12 are connected in parallel between the first control unit 41 and the second operating device 50, and when the current input to the second operating device 50 is not very stable, the fourth polarity capacitor C11 can release the stored electric energy to allow the second operating device 50 to operate normally. The eighth capacitor C12 is used to filter the current input to the second working device 50.
In some embodiments, the voltage output by the second output terminal 112 of the second control unit 11 is 3.3V, the voltage output by the third output terminal 422 of the third control unit 42 is 12V, and the voltage output by the first output terminal 412 of the first control unit 41 is 3.3V.
Referring to fig. 7, fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.
Wherein the electronic device comprises a processor and a switch, when the first working device 20 is in a standby state, the processor controls the switch to switch on the power supply 60 and the first power supply circuit 10, so that the first power supply circuit 10 supplies power to the first working device 20;
when the first working device 20 and the second working device 50 are both in the working state, the processor controls the switch to switch on the power supply 60 and the second power supply circuit 40, so that the second power supply circuit 40 supplies power to the first working device 20 and the second working device 50.
In the embodiment of the present application, the first power supply circuit 10 and the second power supply circuit 40 are provided in the power supply control circuit, the first power supply circuit 10 is electrically connected to the first operating device 20, the second power supply circuit 40 is electrically connected to the second operating device 50, and the control module 30 is electrically connected to the second power supply circuit 40 and the first operating device 20. When the first operating device 20 is in the standby state, the power supply 60 turns on the first power supply circuit 10, and the first power supply circuit 10 supplies power to the first operating device 20; when the first and second working devices 20 and 50 are both in the working state, the power supply 60 turns on the second power supply circuit 40, and the control module 30 turns on the second power supply circuit 40 and the first working device 20, so that the second power supply circuit 40 supplies power to the first and second working devices 20 and 50. When the working device is in different working states, different power supply circuits are adopted to supply power, and the energy consumption of the electronic equipment can be reduced.
The foregoing detailed description is directed to a power supply control circuit and an electronic device provided in an embodiment of the present application, and specific examples are applied in the present application to explain the principles and implementations of the present application, and the description of the foregoing embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A power supply control circuit, comprising:
the first power supply circuit is electrically connected with the first working device;
the second power supply circuit is electrically connected with the second working device;
the power supply can selectively switch on the first power supply circuit or the second power supply circuit;
the control module is electrically connected with the second power supply circuit and the first working device;
when the first working device is in a standby state, the power supply switches on the first power supply circuit so that the first power supply circuit supplies power to the first working device;
when the first working device and the second working device are both in working states, the power supply is connected with the second power supply circuit, and the control module is connected with the second power supply circuit and the first working device, so that the second power supply circuit supplies power to the first working device and the second working device.
2. The power supply control circuit of claim 1, wherein the second power supply circuit comprises:
and the first control unit comprises a first input end and a first output end, the first output end is electrically connected with the second working device, and the first output end is electrically connected with the control module.
3. The power supply control circuit of claim 2, wherein the control module comprises:
the transistor comprises a first end, a second end and a third end, wherein the second end is electrically connected with the first output end, and the third end is electrically connected with the first working device;
and one end of the adjusting unit is connected with the first end, the other end of the adjusting unit is connected with the first input end, and the adjusting unit is used for adjusting the working state of the transistor.
4. The power supply control circuit according to claim 3, wherein when the first operating device and the second operating device are both in an operating state and the power supply is connected to the second power supply circuit, the voltage of the first input terminal is greater than the voltage of the first output terminal, and the second terminal and the third terminal are in a connected state.
5. The power supply control circuit according to claim 3, wherein the adjusting unit includes:
one end of the first resistor is connected with the first end, and the other end of the first resistor is connected with the first input end;
the anode of the first diode is connected with the first end, the cathode of the first diode is connected with the first input end, and the first resistor and the first diode are connected in parallel.
6. The power supply control circuit of claim 5 wherein when the first operating device is in a standby state and the power supply is powering on the first power supply circuit, the first diode is configured to discharge power between the first terminal and the second terminal to cause an off state between the second terminal and the third terminal.
7. The power supply control circuit of claim 2, wherein the first power supply circuit comprises:
a second control unit;
the second diode is connected between the second control unit and the first working device in series, the anode of the first diode is connected with the second output end of the second control unit, the cathode of the second diode is connected with the first working device, and the second diode is used for preventing the current output by the first output end from flowing to the second control unit when the first working device and the second working device are both in working states and the power supply is switched on the second power supply circuit.
8. The power supply control circuit of claim 7, wherein the first power supply circuit further comprises:
the second resistor is connected with the second input end of the second control unit and used for reducing the voltage and the current input into the second control unit;
and when the power supply is connected with the first power supply circuit, the anode of the third diode is connected with the power supply, the cathode of the third diode is connected with the second resistor, and the third diode is used for protecting the power supply.
9. The power supply control circuit of claim 2, wherein the second power supply circuit further comprises:
the third control unit comprises a third input end and a third output end, and when the power supply is connected with the second power supply circuit, the third input end is connected with the power supply;
and the third resistor is connected between the third output end and the first input end in series and is used for reducing the voltage and the current input into the first control unit.
10. An electronic device comprising the power supply control circuit according to any one of claims 1 to 9, the electronic device comprising:
the processor is used for detecting the working states of a first working device and a second working device in the power supply control circuit;
the processor controls the switch to switch on the power supply and the first power supply circuit when the first working device is in a standby state, so that the first power supply circuit supplies power to the first working device;
when the first working device and the second working device are both in working states, the processor controls the switch to switch on the power supply and the second power supply circuit, so that the second power supply circuit supplies power to the first working device and the second working device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357569.5U CN215870794U (en) | 2021-06-17 | 2021-06-17 | Power supply control circuit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357569.5U CN215870794U (en) | 2021-06-17 | 2021-06-17 | Power supply control circuit and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN215870794U true CN215870794U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121357569.5U Active CN215870794U (en) | 2021-06-17 | 2021-06-17 | Power supply control circuit and electronic equipment |
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| Country | Link |
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| CN (1) | CN215870794U (en) |
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- 2021-06-17 CN CN202121357569.5U patent/CN215870794U/en active Active
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Address after: 518107 201 / F, building C, Xinwangda electronics factory, Tangjia community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Xinwangda Energy Technology Co.,Ltd. Address before: 518107 201 / F, building C, Xinwangda electronics factory, Tangjia community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN XWODA ELECTRONICS CO.,LTD. |
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