A 3.3 kV SiC MOSFET Half-Bridge Power Module

Conference: CIPS 2018 - 10th International Conference on Integrated Power Electronics Systems
03/20/2018 - 03/22/2018 at Stuttgart, Deutschland

Proceedings: ETG-Fb. 156: CIPS 2018

Pages: 6Language: englishTyp: PDF

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Mouawad, Bassem; Hussein, Abdallah; Castellazzi, Alberto (PEMC Group, University of Nottingham, Nottingham, Unit Kingdom)

SiC MOSFET technology is rapidly progressing towards higher voltage ratings, with the potential to deliver a major impact on a number of society pivotal application domains, such as railway/naval traction, power distribution/transmission, renewable energies. Recently, 3.3 and 6.5 kV power MOSFETs with characteristics superior to counterpart Si IGBTs have been introduced. This work presents the development of a half-bridge power module based on the 3.3 kV transistors. The design specifically addresses a number of aspects key to the development of SiC bespoke packaging solutions: device parallel performance; reliance on body-diode for freewheeling; high switching frequency capability; high dI/dt and high dV/dt compatible design by containment of parasitic inductance and, equally importantly, common mode capacitance. The validity of the proposed design is demonstrated in preliminary parametric switching tests.