PROTECTIVE DEVICE FOR PREVENTING REVERSE CONNECTION

Provided is a protection device of an electronic device to which a first switch includes an input terminal connected to a positive or negative wiring, a first output terminal connected to a first node, and a second output terminal connected to a second node, and a second switch includes an input terminal connected to the positive or negative wiring, a first output terminal connected to a third node, and a second output terminal connected to a fourth node. In a first relay, a relay switch is connected between the first node and a positive input terminal of the electronic device, and an input terminal of a first driver is connected to the first node. In a second relay, a relay switch is connected between a negative input terminal of the electronic device and the third node, and a second driver includes an input terminal connected to an output terminal of the first driver and an output terminal connected to the third node.