In this research work, a high-frequency converter with GaN devices is proposed for a reliable specific automotive application. Core of the circuit is a high-frequency transformer, able to work at 5 MHz switching frequency with relevant power absorption peaks. 3D finite element method (FEM) simulations are provided for different transformers and a first prototype has been tested. Considerations about geometry, mutual inductance, current limitations, and thermal behavior are explored through dedicated simulations.
FEM analysis of a HF coreless transformer for automotive applications / Daniele, Simone; Spaggiari, Davide; Santoro, Danilo; Cova, Paolo; Delmonte, Nicola. - In: MICROELECTRONICS RELIABILITY. - ISSN 0026-2714. - 126(2021). [10.1016/j.microrel.2021.114224]
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