Standby zero power consumption circuit applied to battery power supply equipment

Abstract

The utility model discloses a standby zero power consumption circuit applied to battery power supply equipment. A battery is connected with a discharge module in the battery power supply equipment through a discharge control circuit; during working, the discharge control circuit is switched on, and the battery supplies power to the discharge module through the discharge control circuit; in a standby state, the discharge control circuit is disconnected, and the battery stops discharging; in the discharging control circuit, the first end of a third electronic switch is connected with the positive electrode of the battery, the second end of the third electronic switch is connected to the input end of a discharging module, and the third end of the third electronic switch is connected to the second end of a sixth electronic switch; the positive electrode of the battery is connected to the third end of the third electronic switch through R3; the first end of the sixth electronic switch is grounded; the third end of the sixth electronic switch is grounded through R10; the third end of the sixth electronic switch is a fifth node; and the fifth node accesses a second control signal and is used for controlling the discharge control circuit to be switched on or switched off. According to the invention, the battery in the battery power supply equipment can be in a zero power consumption state during standby.

Description

TECHNICAL FIELD

[0001] The application provides the field of battery charging and discharging control, and particularly relates to a standby zero-power-consumption circuit applied to a battery-powered device. BACKGROUND

[0002] At present, in the battery-powered device, the power of the battery is limited, so that the power of the battery is consumed even if the device is in a standby state. Even if the battery is rechargeable, the service life of the battery will be affected when the charging times are too many. Therefore, it is particularly important to reduce the standby power consumption of the whole machine when the device is in standby. CONTENT OF THE INVENTION

[0003] The application aims to provide a standby zero-power-consumption circuit applied to a battery-powered device, which can realize that the battery in the battery-powered device is in a zero-power-consumption state in standby.

[0004] The application provides the following technical scheme:

[0005] A standby zero-power-consumption circuit applied to a battery-powered device, comprising a discharging control circuit.

[0006] The battery is connected with a discharging module in the battery-powered device through the discharging control circuit.

[0007] In work, the discharging control circuit is turned on, and the battery supplies power to the discharging module through the discharging control circuit.

[0008] In standby, the discharging control circuit is turned off, and the battery stops discharging.

[0009] The discharging control circuit comprises a third electronic switch Q3, a sixth electronic switch Q6, a third resistor R3 and a tenth resistor R10.

[0010] The first end of the third electronic switch Q3 is connected with the positive electrode of the battery, the second end of the third electronic switch Q3 is connected to the input end of the discharging module, and the third end of the third electronic switch Q3 is connected to the second end of the sixth electronic switch Q6.

[0011] The positive electrode of the battery is connected to the third end of the third electronic switch Q3 through the third resistor R3.

[0012] The first end of the sixth electronic switch Q6 is grounded, the third end of the sixth electronic switch Q6 is grounded through the tenth resistor R10, the third end of the sixth electronic switch Q6 is a fifth node, and the fifth node is connected with a second control signal for controlling the discharging control circuit to be turned on or turned off.

[0013] The third end of the third electronic switch Q3 is a control end of the third electronic switch Q3, used for controlling the on-off between the first end and the second end of the third electronic switch Q3.

[0014] The third end of the sixth electronic switch Q6 is a control end of the sixth electronic switch Q6, used for controlling the on-off between the first end and the second end of the sixth electronic switch Q6.

[0015] In a possible implementation, the third electronic switch Q3 is a PMOS, and the sixth electronic switch Q6 is an NMOS; the first end is a source, the second end is a drain, and the third end is a gate.

[0016] In a possible implementation, the zero-power-consumption circuit further comprises a key trigger circuit, and the key trigger circuit comprises a second resistor R2, a key K1, a fourth electronic switch Q4, a first diode D1, and a seventh resistor R7.

[0017] The positive electrode of the battery is connected to the ground through the second resistor R2 and the key K1 in sequence; the connection point of the second resistor R2 and the key K1 is connected to the third end of the fourth electronic switch Q4; the first end of the fourth electronic switch Q4 is connected to the positive electrode of the battery, and the second end of the fourth electronic switch Q4 is connected to the fifth node through the first diode D1 and the resistor R7, used for providing a second control signal to control the discharging control circuit to be turned on or turned off.

[0018] The third end of the fourth electronic switch Q4 is a control end of the fourth electronic switch Q4, used for controlling the on-off between the first end and the second end of the fourth electronic switch Q4.

[0019] In a possible implementation, the fourth electronic switch Q4 is a PMOS; the first end is a source, the second end is a drain, and the third end is a gate.

[0020] In a possible implementation, the standby zero-power-consumption circuit further comprises a control module, a fifth resistor R5, and an eighth resistor R8; the second end of the fourth electronic switch Q4 is connected to the ground through the fifth resistor R5 and the eighth resistor R8 in sequence; and the connection point of the fifth resistor R5 and the eighth resistor R8 is connected to the second input end of the control module.

[0021] In a possible implementation, the zero-power-consumption circuit further comprises a signal trigger circuit, and the signal trigger circuit comprises a control module, a fourth diode D4, and a ninth resistor R9.

[0022] The second output end of the control module is connected to the fifth node through the fourth diode D4, used for providing a second control signal to control the discharging control circuit to be turned on or turned off.

[0023] The second output end of the control module is connected to ground through the ninth resistor R9.

[0024] In a possible implementation, the third electronic switch Q3 is connected to a power supply end of a low dropout linear regulator (LDO) through a second diode D2; an output end of the LDO is connected to a power supply end of the control module.

[0025] In a possible implementation, the standby zero-power consumption circuit further comprises a charging control circuit.

[0026] The power input end VIN is connected to a battery through a charging module and the charging control circuit in a battery-powered device.

[0027] When charging, the charging control circuit is turned on, and the external power input end VIN charges the battery through the charging module and the charging control circuit.

[0028] When not charging, the charging control circuit is turned off, the charging is ended, and the battery is prevented from discharging to the charging module in reverse.

[0029] In a possible implementation, the charging control circuit comprises a first electronic switch Q1, a second electronic switch Q2, a fifth electronic switch Q5, a first resistor R1, a fourth resistor R4, and a sixth resistor R6.

[0030] The first end of the first electronic switch Q1 is connected to the first end of the second electronic switch Q2, and the connection point is a first node.

[0031] The second end of the first electronic switch Q1 is connected to the input end of the charging module, and the second end of the second electronic switch Q2 is connected to the positive electrode of the battery.

[0032] The third end of the first electronic switch Q1 is connected to the third end of the second electronic switch Q2, and the connection point is a second node.

[0033] The third end of the first electronic switch Q1 is the control end of the first electronic switch Q1, and is used for controlling the on-off between the first end and the second end of the first electronic switch Q1.

[0034] The third end of the second electronic switch Q2 is the control end of the second electronic switch Q2, and is used for controlling the on-off between the first end and the second end of the second electronic switch Q2.

[0035] The first resistor R1 is connected between the first node and the second node.

[0036] The third node is connected to the third end of the fifth electronic switch Q5 through the fourth resistor R4, the first end of the fifth electronic switch Q5 is connected to ground, and the third end of the fifth electronic switch Q5 is connected to the second node.

[0037] The third node is grounded through a sixth resistor R6;

[0038] The third node is connected to a first control signal for controlling the charging control circuit to be turned on or turned off.

[0039] In a possible implementation, the first electronic switch Q1 and the second electronic switch Q2 are PMOS, and the fifth electronic switch Q5 is NMOS; the first end is a source, the second end is a drain, and the third end is a gate.

[0040] In a possible implementation, the power input end VIN is connected to the third node through a fifth diode D5 for providing the first control signal to control the charging control circuit to be turned on or turned off.

[0041] In a possible implementation, the power input end VIN is sequentially connected to the ground through an eleventh resistor R11 and a twelfth resistor R12; a connection point of the eleventh resistor R11 and the twelfth resistor R12 is a fourth node.

[0042] The fourth node is connected to a first input end of the control module, and a first output end of the control module is connected to the third node through a sixth diode D6 for providing the first control signal to control the charging control circuit to be turned on or turned off.

[0043] In a possible implementation, the power input end VIN is connected to a power end of a low dropout linear regulator LDO through a third diode D3; an output end of the LDO is connected to a power end of the control module.

[0044] Beneficial effects:

[0045] The application stops the battery in the battery-powered device from discharging to the discharging module and the LDO through the discharging control circuit during standby, and prevents the battery from discharging to the charging module in reverse through the charging control circuit, so that the battery stops discharging, the battery is in a zero-power-consumption state during standby, the standby time is longer, the battery is not over-discharged, and the service life of the battery is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 The circuit diagram of one embodiment of the application. DETAILED DESCRIPTION

[0047] To make personnel in the technical field better understand the application scheme, the technical solutions in the embodiments of the application will be further specifically described below with reference to the drawings in the embodiments of the application.

[0048] It should be noted that the terms such as "first", "second", and the like in the description and claims of the present application and the above drawings are used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply a specific relationship or sequence between these entities or operations. It should be understood that the terms "first", "second", and the like do not limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference. It should be understood that the data used in this way can be interchanged under appropriate circumstances. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements clearly listed, but also can include other elements not clearly listed, or can include elements inherent to such process, method, product or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0049] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, "connected" can be fixed connection, detachable connection, or integral structure; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] The specific embodiments according to the present application will be described below with reference to the accompanying drawings. Figure 1 The specific embodiments according to the present application will be described below with reference to the accompanying drawings.

[0051] As Figure 1 The present application discloses a standby zero-power consumption circuit applied in a battery-powered device, which comprises a discharge control circuit;

[0052] The battery is connected to the discharge module in the battery-powered device through the discharge control circuit;

[0053] In operation, the discharge control circuit is turned on, and the battery supplies power to the discharge module through the discharge control circuit;

[0054] In standby mode, the discharge control circuit is turned off, and the battery stops discharging;

[0055] In some embodiments, the discharge control circuit comprises a third electronic switch Q3, a sixth electronic switch Q6, a third resistor R3 and a tenth resistor R10;

[0056] The first end of the third electronic switch Q3 is connected to the positive pole of the battery, the second end of the third electronic switch Q3 is connected to the input end of the discharging module, and the third end of the third electronic switch Q3 is connected to the second end of the sixth electronic switch Q6;

[0057] The positive pole of the battery is connected to the third end of the third electronic switch Q3 through the third resistor R3;

[0058] The first end of the sixth electronic switch Q6 is grounded, the third end of the sixth electronic switch Q6 is grounded through the tenth resistor R10, and the third end of the sixth electronic switch Q6 is a fifth node; the fifth node is connected to a second control signal for controlling the discharging control circuit to be turned on or turned off;

[0059] The third end of the third electronic switch Q3 is a control end of the third electronic switch Q3 for controlling the on-off between the first end and the second end of the third electronic switch Q3;

[0060] The third end of the sixth electronic switch Q6 is a control end of the sixth electronic switch Q6 for controlling the on-off between the first end and the second end of the sixth electronic switch Q6.

[0061] In some embodiments, the third electronic switch Q3 is a PMOS, and the sixth electronic switch Q6 is an NMOS; the first end is a source, the second end is a drain, and the third end is a gate.

[0062] In some embodiments, the zero-power consumption circuit further comprises a key trigger circuit, and the key trigger circuit comprises a second resistor R2, a key K1, a fourth electronic switch Q4, a first diode D1, and a seventh resistor R7;

[0063] The positive pole of the battery is sequentially connected to the ground through the second resistor R2 and the key K1; the connection point of the second resistor R2 and the key K1 is connected to the third end of the fourth electronic switch Q4; the first end of the fourth electronic switch Q4 is connected to the positive pole of the battery, and the second end of the fourth electronic switch Q4 is connected to the fifth node through the first diode D1 and the resistor R7 for providing a second control signal to control the discharging control circuit to be turned on or turned off;

[0064] The third end of the fourth electronic switch Q4 is a control end of the fourth electronic switch Q4 for controlling the on-off between the first end and the second end of the fourth electronic switch Q4.

[0065] In some embodiments, the fourth electronic switch Q4 is a PMOS; the first end is a source, the second end is a drain, and the third end is a gate.

[0066] When working (discharging), the key K1 is pressed to trigger the fourth electronic switch Q4 gate to be pulled low to low level, Q4 is turned on; further through the first diode D1 and the seventh resistor R7, the sixth electronic switch Q6 gate is high level, Q6 is turned on; and the third electronic switch Q3 gate is pulled low to low level, Q3 is turned on, and the discharge module is powered. After the discharge module is powered, whether the load is discharged can be controlled by the control module output control signal.

[0067] In some embodiments, the standby zero-power circuit further comprises a fifth resistor R5 and an eighth resistor R8; the second end of the fourth electronic switch Q4 is connected to the ground through the fifth resistor R5 and the eighth resistor R8 in turn; and the connection point of the fifth resistor R5 and the eighth resistor R8 is connected to the second input end of the control module.

[0068] Therefore, when the key K1 is pressed and released, the control module can detect the related action of the key (such as single click, double click, multiple clicks and long press, etc.) through the fifth resistor R5 and the eighth resistor R8, and can make corresponding response (detect different actions of single click, double click, multiple clicks and long press, etc.).

[0069] In some embodiments, the zero-power circuit further comprises a signal trigger circuit, and the signal trigger circuit comprises a control module, a fourth diode D4 and a ninth resistor R9.

[0070] The second output end of the control module is connected to the fifth node through the fourth diode D4, and is used to provide a second control signal to control the discharge control circuit to be turned on or turned off.

[0071] The second output end of the control module is connected to the ground through the ninth resistor R9.

[0072] When working (discharging), the control module outputs high level to Dis_Ctrl, when Dis_Ctrl is high level, the sixth electronic switch Q6 gate is high level through the fourth diode D4, Q6 is turned on; and the third electronic switch Q3 gate is pulled low to low level, Q3 is turned on, and the discharge module is powered. After the discharge module is powered, whether the load is discharged can be controlled by the control module output control signal. When standby, the whole system is powered off, Dis_Ctrl is pulled down to the ground by R9, and is low level; when Dis_Ctrl is low level, the sixth electronic switch Q6 gate is low level through the fourth diode D4, Q6 is closed; and the third electronic switch Q3 gate is high level, Q3 is closed, and the battery stops discharging.

[0073] In some embodiments, the third electronic switch Q3 is connected to a power supply end of a low dropout linear regulator (LDO) through a second diode D2; an output end of the LDO is connected to a power supply end of the control module. During discharging, the battery can supply power to the LDO through the third electronic switch Q3, and the LDO can output power to the control module.

[0074] In some embodiments, the standby zero-power circuit further comprises a charging control circuit.

[0075] The power input end VIN is connected to the battery through a charging module and a charging control circuit in the battery-powered device.

[0076] During charging, the charging control circuit is turned on, and the external power input end VIN charges the battery through the charging module and the charging control circuit.

[0077] During non-charging, the charging control circuit is turned off, the charging is ended, and the battery is prevented from discharging to the charging module in reverse.

[0078] In some embodiments, the charging control circuit comprises a first electronic switch Q1, a second electronic switch Q2, a fifth electronic switch Q5, a first resistor R1, a fourth resistor R4, and a sixth resistor R6.

[0079] The first end of the first electronic switch Q1 is connected to the first end of the second electronic switch Q2, and the connection point is a first node.

[0080] The second end of the first electronic switch Q1 is connected to the input end of the charging module, and the second end of the second electronic switch Q2 is connected to the positive electrode of the battery.

[0081] The third end of the first electronic switch Q1 is connected to the third end of the second electronic switch Q2, and the connection point is a second node.

[0082] The third end of the first electronic switch Q1 is the control end of the first electronic switch Q1, for controlling the on-off between the first end and the second end of the first electronic switch Q1.

[0083] The third end of the second electronic switch Q2 is the control end of the second electronic switch Q2, for controlling the on-off between the first end and the second end of the second electronic switch Q2.

[0084] The first resistor R1 is connected between the first node and the second node.

[0085] The third node is connected to the third end of the fifth electronic switch Q5 through the fourth resistor R4, the first end of the fifth electronic switch Q5 is grounded, and the third end of the fifth electronic switch Q5 is connected to the second node.

[0086] The third node is grounded through a sixth resistor R6;

[0087] The third node is connected to a first control signal for controlling the charging control circuit to be turned on or off.

[0088] In some embodiments, the power input end VIN is connected to the third node through a fifth diode D5 for providing a first control signal for controlling the charging control circuit to be turned on or off.

[0089] In some embodiments, the first electronic switch Q1 and the second electronic switch Q2 are PMOS, and the fifth electronic switch Q5 is NMOS; the first end is the source, the second end is the drain, and the third end is the gate. When the power input end VIN is not powered, the third node is pulled low by the sixth resistor R6, the fifth electronic switch Q5 is closed, the gate and the source of the first electronic switch Q1 and the second electronic switch Q2 are at the same potential, and the first electronic switch Q1 and the second electronic switch Q2 are closed, and the charging is completed, and at the same time, the battery can be prevented from discharging to the charging module in reverse.

[0090] When charging, the power input end VIN is powered, VIN opens the fifth electronic switch Q5 through the fifth diode D5 and the fourth resistor R4, the gate of the first electronic switch Q1 and the second electronic switch Q2 is pulled low, the gate of the first electronic switch Q1 and the second electronic switch Q2 is pulled low, the first electronic switch Q1 and the second electronic switch Q2 are turned on, that is, the charging from VIN to the battery is realized; when the power input end VIN is not powered, the MCU outputs a low level, the fifth electronic switch Q5 is closed, the gate and the source of the first electronic switch Q1 and the second electronic switch Q2 are at the same potential, and the first electronic switch Q1 and the second electronic switch Q2 are closed, and the charging is completed, and at the same time, the battery can be prevented from discharging to the charging module in reverse.

[0091] In some embodiments, the standby zero-power circuit further comprises a control module;

[0092] The power input end VIN is grounded through an eleventh resistor R11 and a twelfth resistor R12 in sequence; and a connection point of the eleventh resistor R11 and the twelfth resistor R12 to the ground is a fourth node;

[0093] The fourth node is connected to a first input end of the control module, and a first output end of the control module is connected to the third node through a sixth diode D6 for providing a first control signal for controlling the charging control circuit to be turned on or off.

[0094] When charging, the power input terminal VIN has electricity, the control module detects the VIN input through the eleventh resistor R11 and the twelfth resistor R12, outputs a high level through the sixth diode D6 and the fourth resistor R4 to open the fifth electronic switch Q5, the gate of the first electronic switch Q1 and the second electronic switch Q2 is pulled low to a low level; the first electronic switch Q1 and the second electronic switch Q2 are turned on, that is, the VIN to the battery charging is realized; when the power input terminal VIN has no electricity, the control module outputs a low level, the fifth electronic switch Q5 is closed, the gate and the source of the first electronic switch Q1 and the second electronic switch Q2 have the same potential, the first electronic switch Q1 and the second electronic switch Q2 are closed, the charging is ended, and at the same time, the battery can be prevented from discharging to the charging module in reverse.

[0095] In some embodiments, the power input terminal VIN is connected to the power terminal of the low dropout linear regulator LDO through the third diode D3; the output terminal of the LDO is connected to the power terminal of the control module. When charging, the power input terminal VIN can supply power to the LDO, and the LDO can output power to the control module for power supply.

[0096] In some embodiments, the control module is an MCU module.

[0097] In the present application, the charging control circuit, the discharging control circuit and the control module are core circuits, the I / O port of the control module is connected to the charging control circuit and the discharging control circuit, and each circuit can be controlled.

[0098] The above description of the embodiments of the present application is only part of the embodiments of the present application, for enabling those skilled in the art to implement or use the content of the present application, and is not used to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A standby zero power consumption circuit used in a battery-powered device, characterized in that: The discharge control circuit comprises a third electronic switch Q3, a sixth electronic switch Q6, a third resistor R3 and a tenth resistor R10. The first end of the third electronic switch Q3 is connected to the positive pole of the battery, the second end of the third electronic switch Q3 is connected to the input end of the discharge module, and the third end of the third electronic switch Q3 is connected to the second end of the sixth electronic switch Q6. The positive pole of the battery is connected to the third end of the third electronic switch Q3 through the third resistor R3. The first end of the sixth electronic switch Q6 is grounded, the third end of the sixth electronic switch Q6 is grounded through the tenth resistor R10, the third end of the sixth electronic switch Q6 is a fifth node, and the fifth node is connected to a second control signal for controlling the conduction or disconnection of the discharge control circuit. The third end of the third electronic switch Q3 is the control end of the third electronic switch Q3 for controlling the conduction or disconnection between the first end and the second end of the third electronic switch Q3. The third end of the sixth electronic switch Q6 is the control end of the sixth electronic switch Q6 for controlling the conduction or disconnection between the first end and the second end of the sixth electronic switch Q6. The third electronic switch Q3 is a PMOS, the first end is a source, the second end is a drain, and the third end is a gate. The zero-power circuit further comprises a key trigger circuit, and the key trigger circuit comprises a second resistor R2, a key K1, a fourth electronic switch Q4, a first diode D1 and a seventh resistor R7. The positive pole of the battery is connected to the ground through the second resistor R2 and the key K1 in sequence, the connection point of the second resistor R2 and the key K1 is connected to the third end of the fourth electronic switch Q4, the first end of the fourth electronic switch Q4 is connected to the positive pole of the battery, the second end of the fourth electronic switch Q4 is connected to the fifth node through the first diode D1 and the resistor R7 for providing a second control signal to control the conduction or disconnection of the discharge control circuit. The third end of the fourth electronic switch Q4 is the control end of the fourth electronic switch Q4 for controlling the conduction or disconnection between the first end and the second end of the fourth electronic switch Q4.

2. The standby zero-power circuit according to claim 1, characterized in that, The fourth electronic switch Q4 is a PMOS, the first end is a source, the second end is a drain, and the third end is a gate.

3. The standby zero-power circuit of claim 1, wherein, The standby zero-power circuit further comprises a control module, a fifth resistor R5 and an eighth resistor R8, the second end of the fourth electronic switch Q4 is connected to the ground through the fifth resistor R5 and the eighth resistor R8 in sequence, and the connection point of the fifth resistor R5 and the eighth resistor R8 is connected to the second input end of the control module. The zero-power circuit further comprises a signal trigger circuit, and the signal trigger circuit comprises a control module, a fourth diode D4 and a ninth resistor R9. ​ 4. The standby zero-power circuit according to claim 3, characterized in that, ​ 5. The standby zero-power circuit of claim 3, wherein, ​ 6. The standby zero-power circuit of claim 1, wherein, ​ The second output end of the control module is connected to the fifth node through the fourth diode D4, for providing a second control signal to control the discharge control circuit to be turned on or turned off. The second output end of the control module is connected to the ground through the ninth resistor R9.

7. The standby zero-power circuit according to claim 6, characterized in that, The third electronic switch Q3 is connected to the power supply end of the low dropout linear regulator LDO through the second diode D2; the output end of the LDO is connected to the power supply end of the control module.

8. The standby zero-power circuit according to any one of claims 1 to 7, characterized in that, The standby zero-power consumption circuit further comprises a charging control circuit. The power input end VIN is connected to the battery through the charging module and the charging control circuit in the battery power supply device. When charging, the charging control circuit is turned on, and the external power input end VIN charges the battery through the charging module and the charging control circuit. When not charging, the charging control circuit is turned off, the charging is ended, and the battery is prevented from discharging to the charging module in reverse.

9. The standby zero-power circuit according to claim 8, characterized in that, The charging control circuit comprises a first electronic switch Q1, a second electronic switch Q2, a fifth electronic switch Q5, a first resistor R1, a fourth resistor R4 and a sixth resistor R6. The first end of the first electronic switch Q1 is connected to the first end of the second electronic switch Q2, and the connection point is the first node. The second end of the first electronic switch Q1 is connected to the input end of the charging module, and the second end of the second electronic switch Q2 is connected to the positive electrode of the battery. The third end of the first electronic switch Q1 is connected to the third end of the second electronic switch Q2, and the connection point is the second node. The third end of the first electronic switch Q1 is the control end of the first electronic switch Q1, for controlling the on-off between the first end and the second end of the first electronic switch Q1. The third end of the second electronic switch Q2 is the control end of the second electronic switch Q2, for controlling the on-off between the first end and the second end of the second electronic switch Q2. The first resistor R1 is connected between the first node and the second node. The third node is connected to the third end of the fifth electronic switch Q5 through the fourth resistor R4, the first end of the fifth electronic switch Q5 is connected to the ground, and the third end of the fifth electronic switch Q5 is connected to the second node. The third node is connected to the ground through the sixth resistor R6. The third node is connected to the first control signal, for controlling the charging control circuit to be turned on or turned off.

10. The standby zero-power circuit of claim 9, wherein, The first electronic switch Q1 and the second electronic switch Q2 are PMOS, and the fifth electronic switch Q5 is NMOS; the first end is the source, the second end is the drain, and the third end is the gate.

11. The standby zero-power circuit of claim 9, wherein, The power input end VIN is connected to the third node through the fifth diode D5, for providing the first control signal to control the charging control circuit to be turned on or turned off.

12. The standby zero-power circuit of claim 9, wherein, The power input end VIN is connected to the ground through the eleventh resistor R11 and the twelfth resistor R12 in sequence; the connection point of the eleventh resistor R11 and the twelfth resistor R12 connected to the ground is the fourth node. The fourth node is connected to the first input end of the control module, and the first output end of the control module is connected to the third node through the sixth diode D6, for providing the first control signal to control the charging control circuit to be turned on or turned off.

13. The standby zero-power circuit of claim 9, wherein, The power input end VIN is connected to the power end of the low dropout linear voltage regulator LDO through the third diode D3; the output end of the LDO is connected to the power end of the control module.

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