The invention discloses a charging circuit and a driving method thereof, an electric vehicle charging system and a vehicle, and relates to the technical field of charging, the circuit comprises a charging interface, a boost charging module, a buck charging module, a control module and a battery module; the control module is set to determine a battery charging mode according to the output voltage of the charging pile and the battery charging voltage of the battery module, and enable the boost charging module to boost the output voltage into the battery charging voltage according to the battery charging mode as a boost charging mode and then provide the battery charging voltage to the battery module; or the step-down charging module is enabled to step down the output voltage into the battery charging voltage according to the battery charging mode as the step-down charging mode and then provide the battery charging voltage to the battery module. The invention aims to improve the adaptability of the electric vehicle charging system and the charging pile so as to improve the charging efficiency.

    本申请公开了一种充电电路及其驱动方法、电动汽车充电系统以及车辆,涉及充电技术领域,该电路包括包括充电接口、升压充电模块、降压充电模块、控制模块和电池模块;控制模块被设置为依据充电桩的输出电压和电池模块的电池充电电压确定电池充电模式,依据电池充电模式为升压充电模式使能升压充电模块将输出电压升压为电池充电电压后提供给电池模块,或者依据电池充电模式为降压充电模式使能降压充电模块将输出电压降压为电池充电电压后提供给电池模块。本申请旨在提高电动汽车充电系统与充电桩的适配性以提升充电效率。


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    Title :

    Charging circuit and driving method thereof, electric vehicle charging system and vehicle


    Additional title:

    充电电路及其驱动方法、电动汽车充电系统以及车辆


    Contributors:
    ZHANG YANGYANG (author) / GUAN BO (author) / YIN HAO (author) / HUANG KAI (author)

    Publication date :

    2025-03-28


    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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