The invention provides a power supply anti-reverse-connection circuit, an anti-reverse-connection method, a vehicle-mounted domain controller and a vehicle, the power supply anti-reverse-connection circuit comprises at least one power supply circuit, and the power supply circuit comprises a power supply, an ideal diode controller, a first NMOS tube and a second NMOS tube; the power supply, the first NMOS tube and the second NMOS tube are sequentially connected in series; the ideal diode controller is used for controlling the first NMOS transistor to be disconnected and the second NMOS transistor to be connected during reverse connection protection, so that reverse current is cut off, the reverse current and reverse voltage can be stopped at the same time, the requirement for a large-current working scene is met, and during reverse connection protection, the two NMOS transistors on the same channel cannot be disconnected at the same time, so that the reverse connection protection is achieved. And the voltage of the output end is maintained at a normal value, so that the load can continuously and normally work.
本发明提供一种电源防反接电路、防反接方法、车载域控制器及车辆,电源防反接电路包括至少一路供电电路,供电电路包括供电电源、理想二极管控制器、第一NMOS管和第二NMOS管;供电电源、第一NMOS管和第二NMOS管依次串联连接;理想二极管控制器用于在进行反接保护时,控制第一NMOS管断开、第二NMOS管导通,以使反向电流被切断,可以同时阻止反向电流和反向电压,满足大电流工作场景,在反接保护时,同一个通道上的两个NMOS管不会同时断开,保证输出端的电压维持正常值以使负载可以连续正常工作。
Power supply anti-reverse-connection circuit, anti-reverse-connection method, vehicle-mounted domain controller and vehicle
电源防反接电路、防反接方法、车载域控制器及车辆
2023-08-15
Patent
Electronic Resource
Chinese
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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