Patent ID: 6046516
Filing Date: 2000-04-04
Classification: H03K

Abstract:
An electronic switch comprising:a switching element operating as a FET and including an inversely operating internal body diode; anda control circuit executing operating commands and providing a control voltage to a gate of the switching element, the control circuit generating a high gate-source voltage to maintain the inversely operating internal body diode currentless, the control circuit including a functional unit for controlling the switching element to be in an on conducting state as a function of one of a commutation voltage and a commutation current, the functional unit including a comparator and a directional valve,wherein an output of the comparator is connected to the gate of the switching element via the directional valve, andwherein a first input of the comparator is connected to a source of the switching element, and a second input of the comparator is connected to a drain of the switching element.