A Fast Electro-Thermal Co-Simulation Modeling Approach for SiC Power MOSFETs

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Abstract

The purpose of this work is to propose a novel electro-thermal co-simulation approach for the new generation of SiC MOSFETs, by development of a PSpice-based compact and physical SiC MOSFET model including temperature dependency of several parameters and a Simulink-based thermal network. The PSpice electrical model is capable to estimate the switching behavior and the energy losses of the device accurately under a wide range of operational conditions, including high temperature operations, within a relatively fast simulation time (few seconds). The the thermal network elements are extracted from the FEM simulation of the DUT’s structure, performed in ANSYS Icepack. A MATLAB script is used to process the simulation data and feed the needed settings and parameters back into the simulation. The parameters for a CREE 1.2 kV/30 A SiC MOSFET have been identified and the electro-thermal model has been validated through experimental and manufacturer’s data.
Original languageEnglish
Title of host publicationProceedings of the 2017 IEEE Applied Power Electronics Conference and Exposition (APEC)
Number of pages8
PublisherIEEE Press
Publication dateMar 2017
Pages966-973
ISBN (Print)978-1-5090-5366-7
DOIs
Publication statusPublished - Mar 2017
Event2017 IEEE Applied Power Electronics Conference and Exposition (APEC) - Tampa Convention Center, Tampa, FL, United States
Duration: 26 Mar 201730 Mar 2017

Conference

Conference2017 IEEE Applied Power Electronics Conference and Exposition (APEC)
LocationTampa Convention Center
Country/TerritoryUnited States
CityTampa, FL
Period26/03/201730/03/2017
SeriesIEEE Applied Power Electronics Conference and Exposition (APEC)
ISSN2470-6647

Keywords

  • SiC MOSFET
  • Modeling and simulation
  • Electrothermal simulation
  • PSpice
  • co-simulation

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