Circuit arrangement for controlling power semiconductor...

Details Circuit arrangement for controlling power semiconductor... Circuit arrangement for controlling power semiconductor...

2006-05-02

2006-05-02

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S427000

Reexamination Certificate

active

07038500

ABSTRACT:
A current regulated circuit arrangement for controlling a power semiconductor transistor, as example a MOSFET or IGBT power transistor, that includes at least two mirror-symmetrically arranged regulated power sources and an output voltage regulator. A first regulated power source is fed from an unregulated power source and controls the gate of the power transistor such that the power transistor is switched into the conductive state. A second regulated power source is fed from an unregulated power source and controls the gate of the power transistor such that the power transistor is switched into the non-conductive state. A voltage regulator or limiter limits the current at the gate of the power transistor to a operably suitable maximum value.

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patent: 19855604 (1998-12-01), None
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