Design of an integrated SiC JFET power switch and flyback diode

Rahul Radhakrishnan, Jian H. Zhao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, we describe the design of a high voltage SiC VJFET monolithically integrated with a JBS diode. The integrated device that was demonstrated up to 834 V in forward blocking doesn't add any steps to the VJFET fabrication process. While the diode and VJFET share the same surface field termination mechanism, they are partially isolated using implanted field rings. We describe TCAD based optimization of the dimensions of these field rings and outline the design of the JBS diode using a fully analytical 2-D model.

Original languageEnglish (US)
Title of host publicationSilicon Carbide and Related Materials 2011, ICSCRM 2011
EditorsRobert P. Devaty, Michael Dudley, T. Paul Chow, Philip G. Neudeck
PublisherTrans Tech Publications Ltd
Pages1041-1044
Number of pages4
ISBN (Print)9783037854198
DOIs
StatePublished - 2012
Event14th International Conference on Silicon Carbide and Related Materials 2011, ICSCRM 2011 - Cleveland, OH, United States
Duration: Sep 11 2011Sep 16 2011

Publication series

NameMaterials Science Forum
Volume717-720
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Other

Other14th International Conference on Silicon Carbide and Related Materials 2011, ICSCRM 2011
Country/TerritoryUnited States
CityCleveland, OH
Period9/11/119/16/11

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • Diode
  • Flyback
  • Freewheeling
  • JBS
  • Power
  • Rectifier
  • SiC
  • Switch
  • Synchronous
  • VJFET

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