Polarity reversal protection device, method for operating polarity reversal protection device, and corresponding use

摘要

The present invention relates to a polarity inversion protection device comprising a transistor circuit (9), an amplifier circuit (5) and an output driver stage (7), wherein the amplifier circuit (5) is connected to the output driver stage (7), and outputs The driver stage 7 is connected to the transistor circuit 9, and the transistor circuit 9 is arranged between the first connection node 13 and the second connection node 15 of the polarity reversal protection device 1, and The electrical connection between the first connecting node 13 and the second connecting node 15 can be created or disconnected by the transistor circuit 9, where the output driver stage 7 is designed as a three-state stage. . The invention also relates to a method for operating the polarity reversal protection device 1 and a corresponding use.