Composite Power Device with ESD Protection Clamp
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United States of America Patent
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Issued Date -
Jun 11, 2015
app pub date -
Nov 25, 2014
filing date -
Dec 9, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There are disclosed herein various implementations of a normally off (enhancement mode) composite power device with an ESD protection clamp. Such a normally off composite power device includes a normally on (depletion mode) power transistor providing a composite drain of the normally off composite power device, and a normally off low voltage (LV) transistor cascoded with the normally on power transistor. The normally off LV transistor provides a composite source and a composite gate of the normally off composite power device. The normally off composite power device also includes the ESD protection clamp coupled between the composite source and the composite gate. The ESD protection clamp is configured to provide electrostatic discharge (ESD) protection for the normally off composite power device.
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