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Electro-thermal Simulation of 1200 V 4H-SiC MOSFET Short-Circuit SOA
Published
Author(s)
, , , , Sei-Hyung Ryu, John W. Palmour
Abstract
The purpose of this paper is to introduce a dynamic electro-thermal simulation and analysis approach for device design and short-circuit safe-operating-area (SOA) characterization using a physics-based electro-thermal Saber®* model. Model parameter extraction, simulation, and validation results are given for several commercially available 4H-silicon carbide (SiC) power MOSFETs with a voltage rating of 1200 V and with current ratings of 31.6 A and 42 A. The electro-thermal model and simulations are used to analyze the short-circuit SOA including the measured failure time (tfailure) and simulated device internal junction temperature (Tj) at failure for different gate voltages (VGS) and drain voltages (VDS).Proceedings Title
ISPSD 2015
Conference Dates
May 10-14, 2015
Conference Location
Kowloon Shangri-La, -1
Pub Type
Keywords
electro-thermal simulation, model validation, MOSFET, short-circuit, silicon carbide, SOA
Created May 10, 2015, Updated February 19, 2017