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Influence of Emitter Side Design on the Unintentional Turn-on of 10kV+ SiC n-IGBTs

Almpanis, Ioannis; Antoniou, Marina; Evans, Paul; Empringham, Lee; Gammon, Peter; Udrea, Florin; Mawby, Philip; Lophitis, Neophytos

Influence of Emitter Side Design on the Unintentional Turn-on of 10kV+ SiC n-IGBTs Thumbnail


Authors

Ioannis Almpanis

Marina Antoniou

PAUL EVANS paul.evans@nottingham.ac.uk
Associate Professor

LEE EMPRINGHAM LEE.EMPRINGHAM@NOTTINGHAM.AC.UK
Professor of Power Conversion Technologies

Peter Gammon

Florin Udrea

Philip Mawby



Abstract

Silicon Carbide (SiC) N-channel Insulated Gate Bipolar Transistors (n-IGBTs) rated higher than 10kV can improve Medium Voltage and High Voltage power electronics due to the favourable combination of SiC material with the nIGBT device structure. This paper investigates the phenomenon of unintentional turn-on occurring due to high dV/dt produced during switching transients and analyses the impact of design parameters such as the channel length, the p-well doping and the oxide thickness for their ability to suppress it.

Citation

Almpanis, I., Antoniou, M., Evans, P., Empringham, L., Gammon, P., Udrea, F., …Lophitis, N. (2022). Influence of Emitter Side Design on the Unintentional Turn-on of 10kV+ SiC n-IGBTs. In 2022 IEEE Energy Conversion Congress and Exposition (ECCE). https://doi.org/10.1109/ecce50734.2022.9947492

Conference Name 2022 IEEE Energy Conversion Congress and Exposition (ECCE)
Conference Location Detroit, MI, USA
Start Date Oct 9, 2022
End Date Oct 13, 2022
Acceptance Date Aug 9, 2022
Online Publication Date Oct 9, 2022
Publication Date Oct 9, 2022
Deposit Date Sep 5, 2022
Publicly Available Date Oct 9, 2022
Publisher IEEE
Series ISSN 2329-3748
Book Title 2022 IEEE Energy Conversion Congress and Exposition (ECCE)
ISBN 9781728193885
DOI https://doi.org/10.1109/ecce50734.2022.9947492
Keywords SiC IGBT, unintentional turn-on, coupling noise
Public URL https://nottingham-repository.worktribe.com/output/10909127
Publisher URL https://ieeexplore.ieee.org/document/9947492
Related Public URLs https://www.ieee-ecce.org/2022/

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