Passively forced current sharing among transistors
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United States of America Patent
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Oct 15, 1991
Grant Date -
N/A
app pub date -
Jun 27, 1990
filing date -
Jun 27, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This application concerns a simple passive circuit that improves current balance in paralleled power MOSFETs that are not precisely matched and that are operated in their active region from a common gate drive. A nonlinear circuit consisting of diodes and resistors generates a differential gate potential required to correct for unbalance while maintaining low losses over a range of current.
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