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Design of a low parasitic inductance SiC power module with double-sided cooling...

by Fei Yang, Zhenxian Liang, Zhiqiang Wang, Fei Wang
Publication Type
Conference Paper
Book Title
2017 IEEE Applied Power Electronics Conference and Exposition (APEC)
Publication Date
Page Numbers
3057 to 3062
Conference Name
IEEE Applied Power Electronics Conference and Exposition (APEC)
Conference Location
Tampa, Florida, United States of America
Conference Sponsor
IEEE Industry Applications Society, IEEE Power Electronics Society
Conference Date
-

In this paper, a low-parasitic inductance SiC power module with double-sided cooling is designed and compared with a baseline double-sided cooled module. With the unique 3D layout utilizing vertical interconnection, the power loop inductance is effectively reduced without sacrificing the thermal performance. Both simulations and experiments are carried out to validate the design. Q3D simulation results show a power loop inductance of 1.63 nH, verified by the experiment, indicating more than 60% reduction of power loop inductance compared with the baseline module. With 0Ω external gate resistance turn-off at 600V, the voltage overshoot is less than 9% of the bus voltage at a load of 44.6A.