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All Outputs (13)

Effect of Parameters Variability on the Performance of SiC MOSFET Modules (2018)
Conference Proceeding
Borghese, A., Riccio, M., Breglio, G., Fayyaz, A., Castellazzi, A., Irace, A., & Marese, L. (2018). Effect of Parameters Variability on the Performance of SiC MOSFET Modules. In Proceedings on 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-5). https://doi.org/10.1109/ESARS-ITEC.2018.8607593

This paper introduces a statistical analysis of the impact of devices parameters dispersion on the performances of parallel connected SiC MOSFETs. To this purpose, the statistical fluctuations of threshold voltage and current factor are evaluated on... Read More about Effect of Parameters Variability on the Performance of SiC MOSFET Modules.

P-gate GaN HEMT gate-driver design for joint optimization of switching performance, freewheeling conduction and short-circuit robustness (2018)
Conference Proceeding
Wu, H., Fayyaz, A., & Castellazzi, A. (2018). P-gate GaN HEMT gate-driver design for joint optimization of switching performance, freewheeling conduction and short-circuit robustness. In Proceedings of the 30th International Symposium on Power Semiconductor Devices and ICs, 13-17 May 2018, Chicago, USA (232-235). https://doi.org/10.1109/ISPSD.2018.8393645

This paper proposes the design and prototype development and testing of a gate-driver which enables to jointly optimize the performance in application of gate-injection type high electron mobility transistors, taking into account a number of diverse... Read More about P-gate GaN HEMT gate-driver design for joint optimization of switching performance, freewheeling conduction and short-circuit robustness.

SiC MOSFET device parameter spread and ruggedness of parallel multichip structures (2018)
Journal Article
Castellazzi, A., Fayyaz, A., & Kraus, R. (2018). SiC MOSFET device parameter spread and ruggedness of parallel multichip structures. Materials Science Forum, 924, (811-817). doi:10.4028/www.scientific.net/msf.924.811. ISSN 0255-5476

This paper presents a preliminary study of the impact of device electro-thermal parameter spread and temperature variation on the robustness of SiC MOSFET parallel multi-chip power switch architectures. Reference is made to 1200 V – 80 mΩ rated comme... Read More about SiC MOSFET device parameter spread and ruggedness of parallel multichip structures.

Single pulse short-circuit robustness and repetitive stress aging of GaN GITs (2018)
Conference Proceeding
Castellazzi, A., Fayyaz, A., Zhu, S., Oeder, T., & Pfost, M. (2018). Single pulse short-circuit robustness and repetitive stress aging of GaN GITs. In Proceedings of 2018 IEEE International Reliability Physics Symposium (IRPS), 11-15 March 2018, Burlingame, California, USA (4E.1-1-4E.1-10). https://doi.org/10.1109/IRPS.2018.8353593

Short-circuit withstand capability is a key requirement for semiconductor power devices in a number of strategic application domains, including traction, renewable energies and power distribution. Indeed, though clearly a non-intentional operational... Read More about Single pulse short-circuit robustness and repetitive stress aging of GaN GITs.

Static and dynamic TSEPs of SiC and GaN transistors (2018)
Conference Proceeding
Zhu, S., Fayyaz, A., & Castellazzi, A. (2018). Static and dynamic TSEPs of SiC and GaN transistors.

This paper investigates the static and dynamic temperature sensitive electrical parameters (TSEPs) for both SiC and GaN transistors. It is shown that both the qualitative and quantitative temperature characteristics of these parameters are various wh... Read More about Static and dynamic TSEPs of SiC and GaN transistors.

Influence of gate bias on the avalanche ruggedness of SiC power MOSFETs (2017)
Conference Proceeding
Fayyaz, A., Castellazzi, A., Romano, G., Riccio, M., Urresti, J., & Wright, N. (2017). Influence of gate bias on the avalanche ruggedness of SiC power MOSFETs.

This paper investigates the effect of negative gate bias voltage (VGS) on the avalanche breakdown robustness of commercial state-of-the-art silicon carbide (SiC) power MOSFETs. The device’s ability to withstand energy dissipation during avalanche reg... Read More about Influence of gate bias on the avalanche ruggedness of SiC power MOSFETs.

Transient out-of-SOA robustness of SiC power MOSFETs (2017)
Conference Proceeding
Castellazzi, A., Fayyaz, A., Romano, G., Riccio, M., Irace, A., Urresti-Ibanez, J., & Wright, N. (2017). Transient out-of-SOA robustness of SiC power MOSFETs.

Beyond their main function of high-frequency switches in modulated power converters, solid-state power devices are required in many application domains to also ensure robustness against a number of overload operational conditions. This paper consider... Read More about Transient out-of-SOA robustness of SiC power MOSFETs.

A comprehensive study on the avalanche breakdown robustness of silicon carbide power MOSFETs (2017)
Journal Article
Fayyaz, A., Romano, G., Urresti, J., Riccio, M., Castellazzi, A., Irace, A., & Wright, N. (2017). A comprehensive study on the avalanche breakdown robustness of silicon carbide power MOSFETs. Energies, 10(4), Article 452. https://doi.org/10.3390/en10040452

This paper presents an in-depth investigation into the avalanche breakdown robustness of commercial state-of-the-art silicon carbide (SiC) power MOSFETs comprising of functional as well as structural characterization and the corresponding underlying... Read More about A comprehensive study on the avalanche breakdown robustness of silicon carbide power MOSFETs.

UIS failure mechanism of SiC power MOSFETs (2016)
Conference Proceeding
Fayyaz, A., Castellazzi, A., Romano, G., Riccio, M., Urresti, J., & Wright, N. (2016). UIS failure mechanism of SiC power MOSFETs.

This paper investigates the failure mechanism of SiC power MOSFETs during avalanche breakdown under unclamped inductive switching (UIS) test regime. Switches deployed within motor drive applications could experience undesired avalanche breakdown even... Read More about UIS failure mechanism of SiC power MOSFETs.

Body diode reliability investigation of SiC power MOSFETs (2016)
Journal Article
Fayyaz, A., Romano, G., & Castellazzi, A. (2016). Body diode reliability investigation of SiC power MOSFETs. Microelectronics Reliability, 64, 530-534. https://doi.org/10.1016/j.microrel.2016.07.044

A special feature of vertical power MOSFETs, in general, is the inbuilt body diode which could eliminate the need of having to use additional anti-parallel diodes for current freewheeling in industrial inverter applications: this, clearly, subject to... Read More about Body diode reliability investigation of SiC power MOSFETs.

Influence of design parameters on the short-circuit ruggedness of SiC Power MOSFETs (2016)
Conference Proceeding
Romano, G., Riccio, M., Maresca, L., Fayyaz, A., & Castellazzi, A. (in press). Influence of design parameters on the short-circuit ruggedness of SiC Power MOSFETs.

This work aims to present an investigation on short-circuit (SC) failure behaviour of SiC Power MOSFETs due to the onset of thermal runaway. As inferable from experimental outcomes, it is related to the formation of hotspot, whose exact location is m... Read More about Influence of design parameters on the short-circuit ruggedness of SiC Power MOSFETs.

A comprehensive study of the short-circuit ruggedness of silicon carbide power MOSFETs (2016)
Journal Article
Romano, G., Fayyaz, A., Riccio, M., Maresca, L., Breglio, G., Castellazzi, A., & Irace, A. (2016). A comprehensive study of the short-circuit ruggedness of silicon carbide power MOSFETs. IEEE Journal of Emerging and Selected Topics in Power Electronics, 4(3), 978-987. https://doi.org/10.1109/JESTPE.2016.2563220

The behavior of Silicon Carbide Power MOSFETs under stressful short circuit conditions is investigated in this paper. Illustration of two different short-circuit failure phenomena for Silicon Carbide Power MOSFETs are thoroughly reported. Experimenta... Read More about A comprehensive study of the short-circuit ruggedness of silicon carbide power MOSFETs.

High temperature pulsed-gate robustness testing of SiC power MOSFETs (2015)
Journal Article
Fayyaz, A., & Castellazzi, A. (2015). High temperature pulsed-gate robustness testing of SiC power MOSFETs. Microelectronics Reliability, 55(9-10), 1724-1728. https://doi.org/10.1016/j.microrel.2015.06.141

© 2015 Elsevier Ltd. Silicon Carbide (SiC) gate oxide reliability still remains a crucial issue and is amongst the important consideration factors when it comes to the implementation of SiC MOS-based devices within industrial power electronic applica... Read More about High temperature pulsed-gate robustness testing of SiC power MOSFETs.