The invention discloses a domain controller and an automobile, and relates to the technical field of automobiles, the domain controller comprises a main control chip, a high-side driving chip and a sleep power supply circuit, and the sleep power supply circuit comprises a first PMOS, a first resistor and a closing circuit. The main control chip controls the high-side driving chip to supply power to the constant power module when receiving a wake-up signal, namely the domain controller is in a wake-up state, and sends a turn-off signal to the sleep power supply circuit to control the sleep power supply circuit to stop supplying power to the constant power module; when the main control chip receives a sleep signal, namely the domain controller is in a sleep state, the main control chip stops outputting a closing signal to the sleep power supply circuit, so that the sleep power supply circuit supplies power to the constant power module; and the sleep power supply circuit utilizes the grounding conduction characteristic of the first PMOS, so that the main control chip does not need to generate a starting signal when the domain controller is in the sleep state, and the conduction of the first PMOS is maintained without consuming current, and the power consumption of the secondary power distribution circuit when the domain controller is in the sleep state for supplying power to the constant power module is reduced.
本发明公开了一种域控制器及汽车,涉及汽车技术领域,包括主控芯片、高边驱动芯片及睡眠供电电路,睡眠供电电路包括第一PMOS、第一电阻以及关闭电路。主控芯片在接收到唤醒信号也即域控制器为唤醒状态时控制高边驱动芯片向常电模块供电,并向睡眠供电电路发送关闭信号以控制睡眠供电电路停止向常电模块供电;当主控芯片接收到睡眠信号也即域控制器为睡眠状态时停止向睡眠供电电路输出关闭信号使睡眠供电电路向常电模块供电,并且睡眠供电电路利用第一PMOS接地导通的特性使得主控芯片在域控制器为睡眠状态时不需要生成开启信号且维持第一PMOS导通不消耗电流,降低了二级配电电路在域控制器为睡眠状态下为常电模块供电时的功耗。
Domain controller and automobile
一种域控制器及汽车
2023-01-31
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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