Quasi resonant gate controller for a power driver
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United States of America Patent
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Apr 18, 2006
Issued Date -
N/A
app pub date -
Oct 4, 2004
filing date -
Oct 4, 2004
priority date (Note) -
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Abstract
A drive circuit for a power device includes a power transistor utilized to drive the power device. The drive circuit utilizes a resonant circuit that drives the power transistor at a high current level when the gate of the power transistor is in its Miller region. In one embodiment, the drive circuit includes dual transistors and an inductor tuned to the gate capacitance to drive the gate of the power transistor. The drive circuit may be useful in a variety of areas, such as with a valve controller for a camless engine.
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