Electronic switching circuit with reduction of switching transie

Details Electronic switching circuit with reduction of switching transie Electronic switching circuit with reduction of switching transie

1997-06-12

2000-04-25

Callahan, Tim

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Accelerating switching

327427, 327434, H03K 1704, H03K 17687

Patent

active

060548908

ABSTRACT:
Electronic circuit including an electronic power switch, for example an IGBT, controlled at its own gate terminal by resistive means in order to reduce its switching speed. The circuit includes a voltage sensor for reading a measurement that is a function of the potential of the collector of the electronic switch, for example its variation over time. The resistive means have a resistance that varies according to the command signal applied to an input terminal of the circuit and to the measurement read by the voltage sensor.

REFERENCES:
patent: 5390070 (1995-02-01), Niedermeier
patent: 5500619 (1996-03-01), Miyasaka
patent: 5523714 (1996-06-01), Topp et al.
patent: 5635868 (1997-06-01), Aiello et al.
patent: 5650737 (1997-07-01), Eilley
Cordonnier, Charles-Edouard, Use of the Same MCU I/O Line to Drive A Power MOSFET and to Detect Overload, Motorola Technical Developments, vol. 16, Aug. 1992, Schamburg, IL, USA.

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