A vehicle power system includes a vehicle control module configured to control a plurality of electronic components of a vehicle; a power supply device including an input coupled to receive input power from a system power source and an output coupled to supply power to a vehicle control module; and an energy backup circuit electrically coupled with a node defined between the system power source and the power supply. The energy backup circuit is configured to store energy to supply power to the power supply device in response to power supplied by the system power source decreasing below a threshold. The system includes a charging circuit coupled between the energy backup circuit and an electrical ground, the charging circuit configured to charge the energy backup circuit at a constant current value.
一种车辆功率系统,包括:车辆控制模块,所述车辆控制模块配置成控制车辆的多个电子部件;功率供应装置,所述功率供应装置包括被联接以从系统功率源接收输入功率的输入和被联接以向车辆控制模块供应功率的输出;以及能量备用电路,所述能量备用电路与在系统功率源和功率供应装置之间限定的节点电联接。所述能量备用电路配置成存储能量,以响应于由系统功率源供应的功率减少到阈值以下而向功率供应装置供应功率。所述系统包括联接在能量备用电路和电接地之间的充电电路,所述充电电路配置成以恒定电流值对能量备用电路进行充电。
Constant current charging circuit for vehicle control module energy backup circuit
用于车辆控制模块能量备用电路的恒定电流充电电路
2024-09-20
Patent
Electronic Resource
Chinese
CONSTANT CURRENT CHARGING CIRCUIT FOR VEHICLE CONTROL MODULE ENERGY RESERVE CIRCUIT
European Patent Office | 2024
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