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ANODE VOLTAGE SENSOR OF A VERTICAL POWER COMPONENT AND USE FOR PROTECTING AGAINST SHORT CIRCUITS |
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Principal Investigator: P. AUSTIN
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TECHNICAL DESCRIPTION
This invention describes an anode voltage sensor of a vertical power component selected from the group of components called thyristors, MOS, IGBT, PMCT, EST, BRT transistor, MOS thyristor, turn-off MOS thyristor, formed by a lightly doped N-type substrate such that the rear surface has a metallic coat that corresponds to the component anode. The front surface side of sensor has a substrate zone surrounded at least partly by a P-type region with low potential in front of an anode potential. This zone is coated with a metallizing coat that is in ohmic contact providing an image of the anode voltage.
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