Abstract
Both reduction in device sizes and enhanced increase in current densities lead to concern about the impact of the self-heating effect on device electrical characteristics. Moreover, in power transistors applications, devices are connected in parallel, so thermal interaction between devices also has to be considered. In this paper, a nodal model is proposed in order to take into account temperature variation due to self-heating and thermal coupling. This model associated with the HICUM Level 2 version 2.21 compact model is validated thanks to measurements made on specific test structures.
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