Method for driving an insulated gate semiconductor device

Internal-combustion engines – High tension ignition system – Power supply – ignition coil primary – and interrupter element...

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123149R, 307570, 307584, F02P 108

Patent

active

049933965

ABSTRACT:
The present invention relates to a method for biasing and making conductive an insulated gate semiconductor device having main electrodes at both surfaces of a semiconductor substrate and a gate electrode at one surface. Charges are accumulated between the gate electrode and the main electrode at the opposite surface while a voltage is applied across the electrodes storing a charge. The element is made conductive by discharging the accumulated charges when a voltage is applied in the conductive direction to such semiconductor element. The device can be used to drive the primary side of an ignition system in an internal combustion engine.

REFERENCES:
patent: 4342304 (1982-08-01), Watanabe
patent: 4501256 (1985-02-01), Dykstra

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