Charging circuit board and vehicle

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.