DRIVE UNIT EMPLOYING GALLIUM NITRIDE SWITCHES
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United States of America Patent
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Issued Date -
Mar 17, 2016
app pub date -
Apr 17, 2013
filing date -
Apr 17, 2013
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Abstract
A switching assembly for use in a drive unit for driving a motor. The switching assembly includes a gallium nitride switch having a gate terminal, drain terminal and source terminal; a gate driver generating a drive signal; a gate drive circuit including a turn on resistor in series with the gate driver and the gate terminal and a clamping circuit connected across the gate terminal and the source terminal, a turn on drive signal from the gate driver being applied to the gate terminal through the turn on resistor; and a snubber circuit connected across the drain terminal and source terminal.
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