Gate control method of MOS-gated power device

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United States of America Patent

PATENT NO 11876509
SERIAL NO

17875876

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Abstract

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A method of driving a transistor between switching states includes controlling a transition of a gate voltage at a gate terminal of a transistor during each of a plurality of turn-off switching events to turn off the transistor, wherein the transistor is configured to be turned off according to a desaturation time during each of the plurality of turn-off switching events; measuring a transistor parameter indicative of a voltage slew rate of the transistor for a first turn-off switching event during which the transistor is transitioned from an on state to an off state; and regulating a duration of the desaturation time for a next turn-off switching event based on the measured transistor parameter.

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Patent Owner(s)

  • INFINEON TECHNOLOGIES AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bakran, Mark-Matthias Erlangen, DE 35 131
Li, Zheming Bayreuth, DE 15 43
Niedernostheide, Franz-Josef Hagen am Teutoburger Wald, DE 104 782
Zeng, Guang Haar, DE 45 561

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