The invention discloses an automobile awakening control circuit and an electric automobile. The circuit comprises a main control chip, a power supply chip, a gun insertion wake-up circuit, a timing wake-up circuit, a signal negation circuit, a signal conversion circuit and a rising edge latch circuit, the signal negation circuit is connected with a CC2 circuit of the power battery and the charging gun, and is used for performing signal negation on a CC2 signal input by the CC2 circuit to obtain a negation signal; the signal conversion circuit is connected with the signal negation circuit and is used for converting the negation signal into a square wave signal; the rising edge latch circuit is connected with the signal conversion circuit and the main control chip and is used for converting the square wave signal into a rising edge latch signal; and the main control chip is connected with the signal negation circuit, the rising edge latch circuit and the power supply chip, and is used for determining a target wake-up source according to the CC2 signal, the rising edge latch signal and the rising edge wake-up signal, and executing wake-up processing logic corresponding to the target wake-up source. The circuit can accurately determine the target wake-up source and guarantee effective execution of wake-up processing logic.

    本发明公开一种汽车唤醒控制电路和电动汽车。该电路包括主控芯片、电源芯片、插枪唤醒电路、定时唤醒电路、信号取反电路、信号转换电路和上升沿锁存电路;信号取反电路与动力电池和充电枪的CC2电路相连,用于对CC2电路输入的CC2信号进行信号取反,获取取反信号;信号转换电路与信号取反电路相连,用于将取反信号转换成方波信号;上升沿锁存电路与信号转换电路和主控芯片相连,用于将方波信号转换成上升沿锁存信号;主控芯片,与信号取反电路、上升沿锁存电路和电源芯片相连,用于根据CC2信号、上升沿锁存信号和上升沿唤醒信号,确定目标唤醒源,执行与目标唤醒源相对应的唤醒处理逻辑。该电路可准确确定目标唤醒源,保障唤醒处理逻辑的有效执行。


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    Title :

    Automobile wake-up control circuit and electric automobile


    Additional title:

    汽车唤醒控制电路和电动汽车


    Contributors:
    ZHANG HUIZHONG (author) / XIAO QIANG (author) / SUN CONGMIN (author) / LIU FENGYUN (author) / LI YIKUN (author) / CHEN YANCHENG (author)

    Publication date :

    2022-10-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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