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The European Physical Journal Applied Physics 52, 2 (2010) Article number 20301
Toward SiC-JFETs modelling with temperature dependence
Tarek Ben Salah 1, Hervé Morel ( ) 1, Sameh Mtimet 2, 3
(2010-10-06)

This paper focuses on the modelling of a SiC-JFET. The novelty aspect is the dependence on temperature. An accurate model has been used in a previous work and an identification procedure for the main model parameters has been demonstrated. Readers have asked for a more advanced SiC JFET temperature-dependent model. A limitation of the current model versus temperature is verified and explained in order to introduce the necessity of a new temperature dependence model. A more advanced model is then considered and a comparative study between experiment and simulation of the device is established. The characteristics of three SiC JFETs devices are considered from experimental and simulation point-of-view. Simulations results clearly replicate the experimental data at different temperatures and a new validity approach, namely validity maps, is proposed. Validity domains are discussed.
1:  Ampère
CNRS : UMR5005 – Université Claude Bernard - Lyon I – Institut National des Sciences Appliquées (INSA) - Lyon – Ecole Centrale de Lyon
2:  Ecole Nationale d'Ingénieurs de Tunis (ENIT)
Ecole Nationale d'Ingénieurs de Tunis
3:  Ecole Supérieure de Technologie et d'Informatique [Tunis-Carthage] (ESTI)
Université du 7 Novembre à Carthage
Engineering Sciences/Electric power