Nicola Delmonte

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We have developed and experimentally validated a 3D model for thermal analysis and reliability-conscious design of hybrid power converters, using the commercial finite-element solver COMSOL. The model was tuned using an accurate packaged MOSFET model and a specially-designed test board for multi-point temperature measurements. Measured and modeled(More)
0026-2714/$ see front matter 2012 Elsevier Ltd. A http://dx.doi.org/10.1016/j.microrel.2012.06.102 ⇑ Corresponding author at: Dipartimento di Ingeg versity of Parma, viale G.P. Usberti, 181/a, 43124 905818; fax: +39 0521 905822. E-mail address: paolo.cova@unipr.it (P. Cova). The aim of this paper is to show and discuss results of 3D finite-element(More)
The aim of this paper is to show and discuss results of three-dimensional finite-element thermal simulation of GaN HEMT structures. HEMTs differing by geometry, substrate material, passivation, and cooling strategy are simulated and compared in order to give a picture of the complex interplay of factors that must be reckoned with for proper thermal modeling(More)
Article history: Received 27 May 2011 Accepted 17 June 2011 Available online 13 July 2011 0026-2714/$ see front matter 2011 Elsevier Ltd. A doi:10.1016/j.microrel.2011.06.016 ⇑ Corresponding author. Tel.: +39 0521 905818; fax E-mail address: paolo.cova@unipr.it (P. Cova). This paper reports on the development of a hybrid approach to electro-thermal modeling(More)