The invention discloses a power supply management system of a vehicle controller and a vehicle, when a key switch signal of the vehicle is an ON signal, each power supply management module outputs a core power supply signal, and when the core power supply signal reaches a preset core power supply voltage, a power supply reset signal is provided for a hardware safety circuit; the working state of the vehicle controller is controlled through the hardware safety circuit; when the MCU power supply signal is the preset MCU power supply voltage and the power supply reset signal is the preset power supply reset voltage, the MCU module and the power supply management module carry out information interaction; the MCU module controls an MCU enable signal provided for the hardware safety circuit according to the interaction result, and each power supply management module controls a power supply enable signal provided for the hardware safety circuit according to the interaction result; and the hardware safety circuit controls whether the peripheral circuit is enabled or not according to the MCU enable signal and the power supply enable signal.
本发明公开了一种车辆控制器的电源管理系统及车辆,在车辆的钥匙开关信号为ON信号时,各电源管理模块输出核心电源信号,且在核心电源信号达到预设核心电源电压时,向硬件安全电路提供电源复位信号,以及通过硬件安全电路控制车辆控制器的工作状态;在MCU电源信号为预设MCU电源电压且电源复位信号为预设电源复位电压时,MCU模块与电源管理模块进行信息交互;MCU模块根据交互结果,控制提供至硬件安全电路的MCU使能信号,各电源管理模块根据交互结果,控制提供至硬件安全电路的电源使能信号;硬件安全电路根据MCU使能信号和电源使能信号,控制外设电路是否使能。
Power management system of vehicle controller and vehicle
一种车辆控制器的电源管理系统及车辆
2023-01-24
Patent
Elektronische Ressource
Chinesisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
Europäisches Patentamt | 2021
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