Protection method for power transistors, and corresponding circu

Details Protection method for power transistors, and corresponding circu Protection method for power transistors, and corresponding circu

1996-12-27

1998-11-03

Nguyen, Viet Q.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327310, 327312, 327314, 327320, 327194, 327322, 326538, H03K 17082, H02H 100

Patent

active

058314660

ABSTRACT:
The present invention is aimed at providing a method and a circuit for protecting the output stage of a power actuator against voltage transients of the surge type. In particular, it provides protection against voltage surge transients of the kind described by International Standard IEC 801-5, for a power transistor contained in the output stage of the actuator.
The method of this invention provides for:

REFERENCES:
patent: 4679112 (1987-07-01), Craig
patent: 4910635 (1990-03-01), Gilliland
patent: 4979067 (1990-12-01), Foley
patent: 5136231 (1992-08-01), Faulk
patent: 5495165 (1996-02-01), Beland

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