The invention discloses a throw load protection circuit which comprises an anti-reverse connection circuit, a high-frequency filter circuit, a transient suppression circuit, a low-frequency filter circuit and a voltage stabilizing circuit. The input end of the anti-reverse-connection circuit is connected with a vehicle-mounted power supply, the output end of the anti-reverse-connection circuit is connected with the input end of the high-frequency filter circuit, the output end of the high-frequency filter circuit is connected with the input end of the transient suppression circuit, and the output end of the transient suppression circuit is connected with the input end of the low-frequency filter circuit. The output end of the low-frequency filter circuit is connected with the input end of the voltage stabilizing circuit. The output end of the voltage stabilizing circuit outputs voltage to supply power to an automobile electronic system. According to the invention, the throw load voltage can be suppressed, and the damage to the circuits in the vehicle-mounted electric appliance and the controller caused by the throw load voltage is avoided.
本发明公开了一种抛负载保护电路,包括防反接电路、高频滤波电路、瞬态抑制电路、低频滤波电路和稳压电路;所述防反接电路的输入端连接车载电源,防反接电路的输出端连接高频滤波电路的输入端,高频滤波电路的输出端连接瞬态抑制电路的输入端,瞬态抑制电路的输出端连接低频滤波电路的输入端,低频滤波电路的输出端连接稳压电路的输入端,稳压电路的输出端输出电压为汽车电子系统供电;本发明能够对抛负载电压进行抑制,避免由于抛负载电压造成车载用电器和控制器中电路的损坏。
Load throwing protection circuit
一种抛负载保护电路
28.04.2023
Patent
Elektronische Ressource
Chinesisch
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