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SiC and GaN power transistors switching energy evaluation in hard and soft switching conditions (2016)
Conference Proceeding
Li, K., Evans, P., & Johnson, C. M. (2016). SiC and GaN power transistors switching energy evaluation in hard and soft switching conditions.

SiC and GaN power transistors switching energy are compared in this paper. In order to compare switching energy Esw of the same power rating device, a theoretical analysis is given to compare SiC device conduction loss and switching losses change whe... Read More about SiC and GaN power transistors switching energy evaluation in hard and soft switching conditions.

SiC/GaN power semiconductor devices theoretical comparison and experimental evaluation (2016)
Conference Proceeding
Li, K., Evans, P., & Johnson, C. M. (2016). SiC/GaN power semiconductor devices theoretical comparison and experimental evaluation.

SiC and GaN power transistors conduction loss and switching losses are compared in this paper. In order to compare performance of the same power rating device, a theoretical analysis is given to compare SiC device conduction loss and switching losses... Read More about SiC/GaN power semiconductor devices theoretical comparison and experimental evaluation.

Developing power semiconductor device model for virtual prototyping of power electronics systems (2016)
Conference Proceeding
Li, K., Evans, P., & Johnson, C. M. (2016). Developing power semiconductor device model for virtual prototyping of power electronics systems.

Virtual prototyping (VP) is very important for power electronics systems design. A virtual prototyping design tool based on different modelling technology and model order reduction is proposed in the paper. In order to combine circuit electromagnetic... Read More about Developing power semiconductor device model for virtual prototyping of power electronics systems.

GaN-HEMT dynamic ON-state resistance characterisation and modelling (2016)
Conference Proceeding
Li, K., Evans, P., & Johnson, C. M. (2016). GaN-HEMT dynamic ON-state resistance characterisation and modelling.

GaN-HEMTs suffer from trapping effects which might increase device ON-state resistance (RDS(on)) values. Thus, dynamic RDS(on) of a commercial GaN-HEMT is characterized at different bias voltages in the paper by a proposed measurement circuit. Based... Read More about GaN-HEMT dynamic ON-state resistance characterisation and modelling.

Damage Evolution in Al Wire Bonds Subjected to a Junction Temperature Fluctuation of 30K (2016)
Journal Article
Agyakwa, P., Yang, L., Arjmand, E., Evans, P., Corfield, M., & Johnson, C. M. (2016). Damage Evolution in Al Wire Bonds Subjected to a Junction Temperature Fluctuation of 30K. Journal of Electronic Materials, 45, 3659-3672. https://doi.org/10.1007/s11664-016-4519-0

© 2016, The Author(s). Ultrasonically bonded heavy Al wires subjected to a small junction temperature fluctuation under power cycling from 40°C to 70°C were investigated using a non-destructive three-dimensional (3-D) x-ray tomography evaluation appr... Read More about Damage Evolution in Al Wire Bonds Subjected to a Junction Temperature Fluctuation of 30K.