The invention provides a vehicle-mounted lamp power supply circuit and a power supply method. The vehicle-mounted lamp power supply circuit comprises a power supply module, a vehicle body control module and a driving module, the power module is connected with the vehicle body control module and the driving module and used for supplying power to the vehicle body control module and the driving module. The driving module comprises an LDO circuit, a first microprocessor and a driving switch, the power module is connected with the LDO circuit, and the vehicle body control module is used for sending a control signal to the LDO circuit or the first microprocessor according to a received vehicle-mounted lamp control instruction; the LDO circuit is used for supplying power to the first microprocessor according to the received control signal or awakening the first microprocessor under the control of the control signal; the first microprocessor is connected with the driving switch and used for controlling the driving switch, and the driving switch is used for controlling the vehicle-mounted lamp module. According to the scheme, the cost can be reduced, the purpose of low power consumption can be achieved, and the energy-saving requirement of the automobile is met.

    本申请提供一种车载灯供电电路、供电方法。该车载灯供电电路包括电源模块、车身控制模块和驱动模块;电源模块分别与车身控制模块和驱动模块连接,用于向车身控制模块和驱动模块供电;驱动模块包括LDO电路、第一微处理器及驱动开关,电源模块连接LDO电路,车身控制模块用于根据接收到的车载灯控制指令向LDO电路或第一微处理器发送控制信号,LDO电路用于根据接收到的控制信号向第一微处理器供电或第一微处理器在控制信号的控制下唤醒;第一微处理器与驱动开关连接,用于控制驱动开关,驱动开关用于控制车载灯模块。通过本申请的方案,既能降低成本,又能实现低功耗的目的,满足汽车的节能需求。


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    Titel :

    Vehicle-mounted lamp power supply circuit and power supply method


    Weitere Titelangaben:

    车载灯供电电路、供电方法


    Beteiligte:
    PAN GUOXIAN (Autor:in)

    Erscheinungsdatum :

    2023-11-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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