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Power conversion and control using a current sensing power MOSFET

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2 Author(s)
S. Yuvarajan ; Dept. of Electr. & Electron. Eng., North Dakota State Univ., Fargo, ND, USA ; L. Wang

Current-sensing power MOSFETs (SENSEFETs) provide signals proportional to the device current which can be used for overcurrent protection and current feedback. The authors describe an experimental DC-to-DC converter using a SENSEFET switch. The method of processing the sense signal and designing the current feedback is explained. The characteristics of the current sense signal are studied for a converter supplying both an R-L load and a motor load. The current-sensing power MOSFET is suitable for such applications as current regulated power converters and motor drives

Published in:

Circuits and Systems, 1991., Proceedings of the 34th Midwest Symposium on

Date of Conference:

14-17 May 1991