NDLI: Characterization of paralleled super junction MOSFET devices under hardand soft-switching conditions

Content Provider	IEEE Xplore Digital Library
Author	Xudong Huang Huijie Yu Jih-Sheng Lai Hefner Jr., A.R. Berning, D.W.
Copyright Year	2001
Description	Author affiliation: Center for Power Electron. Syst., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA (Xudong Huang)
Abstract	The super junction (SJ) MOSFET exhibits conduction and switching properties similar to those of conventional power MOSFETs. In this paper, we investigate possible benefits and problems associated with connecting SJ MOSFET in parallel for high-power applications. Measured circuit performances of paralleled SJ MOSFET devices are evaluated under hard- and soft-switching conditions. The measurements include (1) turn-on and turn-off switching voltage and current comparison, (2) gate driver resistance effects on current sharing between paralleled SJ MOSFET devices, and (3) SJ MOSFET body diode behavior under hard- and soft-switching conditions. Two test circuits are developed for paralleled SJ MOSFET evaluation. One is an auxiliary resonant snubber chopper for the near zero-voltage switching test, and the other one is an auxiliary resonant snubber inverter for the true zero-voltage condition test. Experimental results indicate that SJ MOSFET can be paralleled without the need for precise device matching if the gate drive resistances are closely matched.
Starting Page	2145
Ending Page	2150
File Size	577924
Page Count	6
File Format	PDF
ISBN	0780370678
ISSN	02759306
DOI	10.1109/PESC.2001.954437
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-17
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MOSFET circuits Circuit testing Power MOSFET Electrical resistance measurement Resonance Snubbers Joining processes Performance evaluation Current measurement Voltage
Content Type	Text
Resource Type	Article

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