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We present a 3.3kW on-vehicle battery charger (OBC) for plug-in hybrid electrical vehicles and battery electric vehicles. The OBC is developed with a semi-bridgeless front-end PFC boost converter followed by a ZVS full bridge DC-DC converter. The performance of the PFC boost is analyzed and measured using different switching power devices. The test data is measured in the same system, at the same...
Following a review of the key power-switch requirements and the fundamental limitations of silicon as a material, this paper describes the technical issues and the reasons that motivated the development of commercially available Schottky diodes and MOSFETs in SiC. In the second part, the paper analyzes the potential of GaN to enable further technical progress beyond the theoretical limit of Si and...
In this paper, a fully integrated silicon carbide (SiC)-based six-pack power module is designed and developed. With 1200-V, 100-A module rating, each switching element is composed of four paralleled SiC junction gate field-effect transistors (JFETs) with two antiparallel SiC Schottky barrier diodes. The stability of the module assembly processes is confirmed with 1000 cycles of −40 °C to +200 °C thermal...
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