{"title":"Performance analysis and signal processing in a current sensing power MOSFET (SENSEFET)","authors":"S. Yuvarajan, L. Wang","doi":"10.1109/IAS.1991.178050","DOIUrl":null,"url":null,"abstract":"Current sensing power MOSFETs (SENSEFETs) provide signals which can be used for current feedback and fast overcurrent protection in converter-fed drives and power supplies. The authors investigate the performance of a SENSEFET used in a DC chopper circuit by obtaining the current sense waveforms. The sense signals contain large switching transients which are to be removed using a special processing circuit. The details of the processing circuit and the waveforms are presented. A current loop is synthesized by feeding back the output of the signal processor.<<ETX>>","PeriodicalId":294244,"journal":{"name":"Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting","volume":"57 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"38","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IAS.1991.178050","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 38
Abstract
Current sensing power MOSFETs (SENSEFETs) provide signals which can be used for current feedback and fast overcurrent protection in converter-fed drives and power supplies. The authors investigate the performance of a SENSEFET used in a DC chopper circuit by obtaining the current sense waveforms. The sense signals contain large switching transients which are to be removed using a special processing circuit. The details of the processing circuit and the waveforms are presented. A current loop is synthesized by feeding back the output of the signal processor.<>
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