Electrical load switch
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United States of America Patent
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N/A
Issued Date -
Nov 2, 2006
app pub date -
Apr 28, 2005
filing date -
Apr 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electrical load switch for being electrically connected across a load and for selectively bypassing the load includes two MOSFETs having their sources connected together and their two drains respectively connected to two terminals of the load, a photovoltaic MOSFET driver connected to the gates of the two MOSFETs for supplying a voltage on the two gates, and a photoMOS relay connected between the gates and the sources of the two MOSFETs to switch the two MOSFETs between on and off states. When the two MOSFETs are turned off, the electrical load switch forms an open circuit, and when the two MOSFETs are turned on, the electrical load switch forms a short circuit bypassing the load.
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