Avoiding internal switching loss in soft switching cascode structure device

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dc.contributor.assigneeVirginia Tech Intellectual Properties, Inc.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.contributor.departmentCenter for Power Electronics Systemsen
dc.contributor.inventorLi, Qiangen
dc.contributor.inventorLee, Fred C.en
dc.contributor.inventorHuang, Xiuchengen
dc.contributor.inventorDu, Weijingen
dc.date.accessed2019-02-15en
dc.date.accessioned2019-02-26T22:23:57Zen
dc.date.available2019-02-26T22:23:57Zen
dc.date.filed2014-08-28en
dc.date.issued2017-08-15en
dc.description.abstractIn a cascode switching device, avalanche breakdown of a control transistor and loss of soft switching or zero voltage switching in a high voltage normally-on depletion mode transistor having a negative switching threshold voltage and the corresponding losses are avoided by providing additional capacitance in parallel with a parallel connection of drain-source parasitic capacitance of the control transistor and gate-source parasitic capacitance of the high voltage, normally-on transistor to form a capacitive voltage divider with the drain-source parasitic capacitance of the high voltage, normally-on transistor such that the avalanche breakdown voltage of the control transistor cannot be reached. The increased capacitance also assures that the drain source parasitic capacitance of the high voltage, normally-on transistor is fully discharged before internal turn-on can occur.en
dc.format.mimetypeapplication/pdfen
dc.identifier.applicationnumber14471404en
dc.identifier.patentnumber9735238en
dc.identifier.urihttp://hdl.handle.net/10919/87817en
dc.identifier.urlhttp://pimg-fpiw.uspto.gov/fdd/38/352/097/0.pdfen
dc.language.isoenen
dc.publisherUnited States Patent and Trademark Officeen
dc.subject.cpcH01L29/20en
dc.subject.cpcH01L29/1608en
dc.subject.cpcH01L29/2003en
dc.subject.cpcH01L29/7828en
dc.subject.cpcH02M2001/0058en
dc.subject.cpcH03K17/102en
dc.subject.cpcH03K17/567en
dc.subject.cpcH03K2017/6875en
dc.subject.cpcH03K2217/0036en
dc.subject.cpcY02B70/1491en
dc.titleAvoiding internal switching loss in soft switching cascode structure deviceen
dc.typePatenten
dc.type.dcmitypeTexten
dc.type.patenttypeutilityen

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