# US 2026/0100592 A1 · Charging circuit board and vehicle

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- Number: US 2026/0100592 A1
- Document ID: US20260100592A1
- Status: Published application
- Kind: A1
- Application number: 19/405,720
- Filed: 2025-12-02
- Published: 2026-04-09
- Earliest claimed: 2023-08-18
- Assignees: Zhejiang ZEEKR Intelligent Technology Co., Ltd.; Viridi E-Mobility Technology (Ningbo) Co., Ltd.; Zhejiang Geely Holding Group Co., Ltd.
- Applicants: Zhejiang ZEEKR Intelligent Technology Co., Ltd.; Viridi E-Mobility Technology (Ningbo) Co., Ltd.; Zhejiang Geely Holding Group Co., Ltd.
- Inventors: Jiaping ZHANG; Deting CHEN; Gang LIU; Yuanyuan WANG
- Web page: https://patentgrep.com/patent/US20260100592A1

## CPC

- B60L 53/66: Data transfer between charging stations and vehicles
- H02J 7/06: using discharge tubes or semiconductor devices
- B60L 53/16: Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
- B60L 53/305: {Communication interfaces}
- B60L 53/62: in response to charging parameters, e.g. current, voltage or electrical charge
- B60R 16/03: for supply of electrical power to vehicle subsystems {or for (circuit arrangements for charging batteries H02J7/00)}
- H02J 7/40: characterised by the exchange of charge or discharge related data
- H02J 7/485: {with provisions for charging different types of batteries}
- H02J 7/80: including monitoring or indicating arrangements
- H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV]
- H02J 2207/10: Control circuit supply, e.g. means for supplying power to the control circuit
- Y02T 10/70: Energy storage systems for electromobility, e.g. batteries
- Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
- Y02T 90/14: Plug-in electric vehicles
- B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

A charging circuit board includes a first reserved area, a first resistor, a second reserved area, a wake-up module, a third reserved area, a sampling module, a first power supply module, and a main control module. The first power supply module includes an enable terminal connected to an output terminal of the wake-up module, an input terminal connected to a preset power supply, and a first output terminal connected to a wake-up switch module, the other end of the third resistor, and the main control module. Under a first charging standard, a second resistor is disposed in the first reserved area. Under a second charging standard, the wake-up switch module is disposed in the second reserved area, the third resistor is disposed in the third reserved area, and the wake-up switch module is in a turn-on state during a sleep state.

## Claims

### Claim 1

A charging circuit board, comprising: a first reserved area, a first resistor, a second reserved area, a wake-up module, a third reserved area, a sampling module, a first power supply module, and a main control module; wherein
the first reserved area is configured for a second resistor to be disposed, one end of the second resistor is connected to a charging connection confirmation terminal, another end of the second resistor is connected to both one end of the first resistor and an input terminal of the wake-up module, and the other end of the first resistor is connected to a preset power supply;
the second reserved area is configured for a wake-up switch module to be disposed, and the wake-up switch module is connected in parallel with the second resistor;
the third reserved area is configured for a third resistor to be disposed, one end of the third resistor is connected to both the charging connection confirmation terminal and an input terminal of the sampling module, and an output terminal of the sampling module is connected to the main control module; and
an enable terminal of the first power supply module is connected to an output terminal of the wake-up module, an input terminal of the first power supply module is connected to the preset power supply, and a first output terminal of the first power supply module is connected to the wake-up switch module, the other end of the third resistor, and the main control module; wherein,
under a first charging standard, the second resistor is disposed in the first reserved area, the wake-up module is configured to output a wake-up signal to the enable terminal of the first power supply module based on a level of the charging connection confirmation terminal via the second resistor, the first power supply module is configured to supply power to the main control module based on the wake-up signal to wake up the main control module, and the main control module is configured to obtain a connection state of the charging connection confirmation terminal through sampling performed by the sampling module; and
under a second charging standard, the wake-up switch module is disposed in the second reserved area, the third resistor is disposed in the third reserved area, the wake-up switch module is in a turn-on state during a sleep state, the wake-up module is configured to output a wake-up signal to the enable terminal of the first power supply module based on a level of the charging connection confirmation terminal via the wake-up switch module, the first power supply module is configured to, based on the wake-up signal, supply power to the wake-up switch module to turn off the wake-up switch module, supply power to the main control module to wake up the main control module, and supply power to the third resistor, and the main control module is configured to obtain the connection state of the charging connection confirmation terminal through the sampling performed by the sampling module.

### Claim 2 (depends on 1)

The charging circuit board according to claim 1, wherein the wake-up module comprises:
a wake-up level conversion circuit connected to both the another end of the second resistor and the wake-up switch module, wherein under the first charging standard, the wake-up level conversion circuit is configured to output an edge signal based on the level of the charging connection confirmation terminal via the second resistor; and under the second charging standard, the wake-up level conversion circuit is configured to output an edge signal based on the level of the charging connection confirmation terminal via the wake-up switch module; and
a trigger circuit connected to both the wake-up level conversion circuit and the enable terminal of the first power supply module, and configured to generate the wake-up signal based on the edge signal.

### Claim 3 (depends on 2)

The charging circuit board according to claim 2, wherein the wake-up module further comprises:
a trigger clear circuit connected to both the main control module and the trigger circuit,
wherein the main control module is configured to output a clear enable signal to the trigger clear circuit when entering a sleep state, the trigger clear circuit is configured to generate a trigger clear signal based on the clear enable signal, and the trigger circuit is configured to generate and output a sleep signal to the enable terminal of the first power supply module based on the trigger clear signal; wherein the first power supply module is configured to, based on the sleep signal, stop supplying power to the main control module under the first charging standard, and stop supplying the power to the wake-up switch module, the main control module and the third resistor under the second charging standard.

### Claim 4 (depends on 3)

The charging circuit board according to claim 3, further comprising:
a sampling switch module connected between the charging connection confirmation terminal and the input terminal of the sampling module, wherein a power supply terminal of the sampling switch module is connected to a second output terminal of the first power supply module,
wherein the first power supply module is configured to: supply power to the sampling switch module based on the wake-up signal to enable the sampling switch module to be in a turn-on state, and stop supplying the power to the sampling switch module based on the sleep signal to enable the sampling switch module to be in a turn-off state.

### Claim 5 (depends on 4)

The charging circuit board according to claim 4, further comprising a second power supply module, wherein an input terminal of the second power supply module is connected to the preset power supply, and an output terminal of the second power supply module is connected to the wake-up module to supply power to the wake-up module.

### Claim 6 (depends on 1)

The charging circuit board according to claim 1, wherein the wake-up switch module comprises a first switch and a second switch, a first terminal of the first switch is connected to the charging connection confirmation terminal, a second terminal of the first switch is connected to the wake-up module, a first terminal of the second switch is connected to a control terminal of the first switch, the control terminal of the first switch is further connected to the preset power supply, a second terminal of the second switch is grounded, and a control terminal of the second switch is connected to the first output terminal of the first power supply module.

### Claim 7 (depends on 2)

The charging circuit board according to claim 2, wherein the wake-up level conversion circuit comprises a third switch, a first terminal of the third switch is connected to the preset power supply, a second terminal of the third switch is connected to the trigger circuit, and a control terminal of the third switch is connected to the one end of the first resistor, the another end of the second resistor, and the wake-up switch module.

### Claim 8 (depends on 3)

The charging circuit board according to claim 3, wherein the trigger circuit comprises a flip-flop, a first input terminal of the flip-flop is connected to the wake-up level conversion circuit, and an output terminal of the flip-flop is connected to the enable terminal of the first power supply module.

### Claim 9 (depends on 8)

The charging circuit board according to claim 8, wherein the trigger clear circuit comprises a fourth switch, a first terminal of the fourth switch is connected to a second input terminal of the flip-flop, a second terminal of the fourth switch is grounded, and a control terminal of the fourth switch is connected to the main control module.

### Claim 10 (depends on 4)

The charging circuit board according to claim 4, wherein the sampling switch module comprises a fifth switch, a first terminal of the fifth switch is connected to the charging connection confirmation terminal, a second terminal of the fifth switch is connected to the sampling module, and a control terminal of the fifth switch is connected to the second output terminal of the first power supply module.

### Claim 11

A vehicle, comprising a charging circuit board, wherein the charging circuit board comprises a first reserved area, a first resistor, a second reserved area, a wake-up module, a third reserved area, a sampling module, a first power supply module, and a main control module; wherein,
the first reserved area is configured for a second resistor to be disposed, one end of the second resistor is connected to a charging connection confirmation terminal, another end of the second resistor is connected to both one end of the first resistor and an input terminal of the wake-up module, and the other end of the first resistor is connected to a preset power supply;
the second reserved area is configured for a wake-up switch module to be disposed, and the wake-up switch module is connected in parallel with the second resistor;
the third reserved area is configured for a third resistor to be disposed, one end of the third resistor is connected to both the charging connection confirmation terminal and an input terminal of the sampling module, and an output terminal of the sampling module is connected to the main control module; and
an enable terminal of the first power supply module is connected to an output terminal of the wake-up module, an input terminal of the first power supply module is connected to the preset power supply, and a first output terminal of the first power supply module is connected to the wake-up switch module, the other end of the third resistor, and the main control module; wherein,
under a first charging standard, the second resistor is disposed in the first reserved area, the wake-up module is configured to output a wake-up signal to the enable terminal of the first power supply module based on a level of the charging connection confirmation terminal via the second resistor, the first power supply module is configured to supply power to the main control module based on the wake-up signal to wake up the main control module, and the main control module is configured to obtain a connection state of the charging connection confirmation terminal through sampling performed by the sampling module; and
under a second charging standard, the wake-up switch module is disposed in the second reserved area, the third resistor is disposed in the third reserved area, the wake-up switch module is in a turn-on state during a sleep state, the wake-up module is configured to output a wake-up signal to the enable terminal of the first power supply module based on a level of the charging connection confirmation terminal via the wake-up switch module, the first power supply module is configured to, based on the wake-up signal, supply power to the wake-up switch module to turn off the wake-up switch module, supply power to the main control module to wake up the main control module, and supply power to the third resistor, and the main control module is configured to obtain the connection state of the charging connection confirmation terminal through the sampling performed by the sampling module.

### Claim 12 (depends on 11)

The vehicle according to claim 11, wherein the wake-up module comprises:
a wake-up level conversion circuit connected to both the another end of the second resistor and the wake-up switch module, wherein under the first charging standard, the wake-up level conversion circuit is configured to output an edge signal based on the level of the charging connection confirmation terminal via the second resistor; and under the second charging standard, the wake-up level conversion circuit is configured to output an edge signal based on the level of the charging connection confirmation terminal via the wake-up switch module; and
a trigger circuit connected to both the wake-up level conversion circuit and the enable terminal of the first power supply module, and configured to generate the wake-up signal based on the edge signal.

### Claim 13 (depends on 12)

The vehicle according to claim 12, wherein the wake-up module further comprises:
a trigger clear circuit connected to both the main control module and the trigger circuit,
wherein the main control module is configured to output a clear enable signal to the trigger clear circuit when entering a sleep state, the trigger clear circuit is configured to generate a trigger clear signal based on the clear enable signal, and the trigger circuit is configured to generate and output a sleep signal to the enable terminal of the first power supply module based on the trigger clear signal; wherein the first power supply module is configured to, based on the sleep signal, stop supplying power to the main control module under the first charging standard, and stop supplying the power to the wake-up switch module, the main control module and the third resistor under the second charging standard.

### Claim 14 (depends on 13)

The vehicle according to claim 13, wherein the charging circuit board further comprises:
a sampling switch module connected between the charging connection confirmation terminal and the input terminal of the sampling module, wherein a power supply terminal of the sampling switch module is connected to a second output terminal of the first power supply module,
wherein the first power supply module is configured to: supply power to the sampling switch module based on the wake-up signal to enable the sampling switch module to be in a turn-on state, and stop supplying the power to the sampling switch module based on the sleep signal to enable the sampling switch module to be in a turn-off state.

### Claim 15 (depends on 14)

The vehicle according to claim 14, wherein the charging circuit board further comprises a second power supply module, wherein an input terminal of the second power supply module is connected to the preset power supply, and an output terminal of the second power supply module is connected to the wake-up module to supply power to the wake-up module.

### Claim 16 (depends on 11)

The vehicle according to claim 11, wherein the wake-up switch module comprises a first switch and a second switch, a first terminal of the first switch is connected to the charging connection confirmation terminal, a second terminal of the first switch is connected to the wake-up module, a first terminal of the second switch is connected to a control terminal of the first switch, the control terminal of the first switch is further connected to the preset power supply, a second terminal of the second switch is grounded, and a control terminal of the second switch is connected to the first output terminal of the first power supply module.

### Claim 17 (depends on 12)

The vehicle according to claim 12, wherein the wake-up level conversion circuit comprises a third switch, a first terminal of the third switch is connected to the preset power supply, a second terminal of the third switch is connected to the trigger circuit, and a control terminal of the third switch is connected to the one end of the first resistor, the another end of the second resistor, and the wake-up switch module.

### Claim 18 (depends on 13)

The vehicle according to claim 13, wherein the trigger circuit comprises a flip-flop, a first input terminal of the flip-flop is connected to the wake-up level conversion circuit, and an output terminal of the flip-flop is connected to the enable terminal of the first power supply module.

### Claim 19 (depends on 18)

The vehicle according to claim 18, wherein the trigger clear circuit comprises a fourth switch, a first terminal of the fourth switch is connected to a second input terminal of the flip-flop, a second terminal of the fourth switch is grounded, and a control terminal of the fourth switch is connected to the main control module.

### Claim 20 (depends on 14)

The vehicle according to claim 14, wherein the sampling switch module comprises a fifth switch, a first terminal of the fifth switch is connected to the charging connection confirmation terminal, a second terminal of the fifth switch is connected to the sampling module, and a control terminal of the fifth switch is connected to the second output terminal of the first power supply module.