Gate drive circuit in power converter with condition detection d

Details Gate drive circuit in power converter with condition detection d Gate drive circuit in power converter with condition detection d

1997-09-16

1999-07-20

Riley, Shawn

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

G05F 140

Patent

active

059260122

ABSTRACT:
A gate drive circuit in a power converter includes a voltage-driven switching device, and a gate drive circuit connected to the voltage-driven switching device for driving the same. The gate drive circuit includes a detection device for detecting a physical quantity in the switching device, and an operation device for changing a gate drive condition of the switching device. When an output of the detection means becomes a value outside a specified value at a turn-on or turn-off operation of the switching device, the operation device changes the gate drive condition instantaneously or for a predetermined time to reduce a voltage applied to the switching device.

REFERENCES:
patent: 4933614 (1990-06-01), Kawata
patent: 5338977 (1994-08-01), Carobolante
patent: 5438499 (1995-08-01), Bonte et al.

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