An object of the present invention is to provide a semiconductor device that prevents a gate potential of the voltage-controlled type semiconductor element 21 from decreasing when a high frequency noise is superposed A semiconductor device of the invention...

The method for the operating of an ignition coil of a motor vehicle entails determining and comparing nominal and actual values for the control voltage of the coil with regard to a course of time by using an ignition signal delivered from a control unit du...

A one-chip integration circuit including a power part and a control part integrated within an IGBT monolithic silicon substrate (36) is disclosed. The control circuit part comprises a current limiting circuit (18) for limiting a current so that it does not...