Saturation detection circuits
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United States of America Patent
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Jun 8, 2010
Grant Date -
Aug 30, 2007
app pub date -
Dec 19, 2006
filing date -
Dec 22, 2005
priority date (Note) -
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Abstract
This invention generally relates to saturation detection circuits, in embodiments for substantially lossless detection of saturation of power switches in power integrated circuits. We describe a saturation detection circuit for detecting saturation of a power semiconductor device, the circuit including a said power semiconductor device having an input terminal and an output terminal, a second semiconductor device connected across said input and output terminals of the power semiconductor device, and a circuit responsive to a current flowing through the second semiconductor device to detect the saturation of the power semiconductor device.
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