The invention relates to the technical field of vehicle-mounted starting lithium batteries, and discloses a forced wake-up circuit of a vehicle-mounted starting lithium battery, which comprises a battery management system part circuit, a communication circuit, a protection circuit PTC (Positive Temperature Coefficient), a high-pass filter circuit HPF and a forced start wake-up circuit SUP, the power supply circuit comprises an MCU (main control unit), an AFE (analog front end), a CTR (control circuit) and a POWER (power supply circuit). According to the invention, a 12V/24V starting lithium battery is enabled to disconnect DQamp in system under-voltage protection; under the condition that the short-circuit P + port, the COM port and the CQ port cannot supply power to start the automobile, the short-circuit P + port and the COM port are in lap joint through one wire, the awakening system forcibly supplies starting voltage to the automobile to start the automobile, an automobile driver does not need to find an external power source to start the automobile in a power-on mode, the trouble that the automobile cannot be started due to excessive power consumption of the driver is solved, and potential safety hazards of the schemes in the current market are also solved.

    本发明涉及车载启动锂电池技术领域,公开了一种车载启动锂电池的强制唤醒电路,包括电池管理系统部分电路、通讯电路、保护电路PTC、高通滤波电路HPF和强启唤醒电路S_UP,电池管理系统部分电路:BMS系统功能模块电路,如MCU(主控单元)+AFE(模拟前端)+CTR(控制电路)+POWER(电源电路)。通过本发明,实现了12V/24V启动锂电在系统欠压保护断开DQ&CQ,无法供电启动车子的情况下,用一根导线搭接短路P+与COM口,唤醒系统强制给车子启动电压,启动汽车,无需汽车司机寻找外部电源给汽车搭电启动,解决司机的因用电过量而无法启动的烦恼,也解决了目前市面上这些方案的安全隐患。


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    Title :

    Forced wake-up circuit of vehicle-mounted starting lithium battery


    Additional title:

    一种车载启动锂电池的强制唤醒电路


    Contributors:
    YIN JIAN (author) / LYU KUNLUN (author) / GAO JI (author)

    Publication date :

    2023-08-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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