Half-bridge power device gate driver circuit with isolation using integrated magnetic component and carrier signal phase switching

McNeill, Neville and Holliday, Derrick and Mellor, Philip; (2011) Half-bridge power device gate driver circuit with isolation using integrated magnetic component and carrier signal phase switching. In: Proceedings of the 2011-14th european conference on power electronics and applications (EPE 2011). IEEE, GBR, pp. 1-10. ISBN 9781612841670

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Abstract

The number of transformers needed in isolated power semiconductor device gate driver circuits can be reduced by using a phase-switched carrier signal technique. This is combined with integrated magnetic techniques to further reduce the number of isolation elements required. A circuit is presented which uses only a single magnetic component to drive both the power semiconductor devices in a bridge leg circuit. Each device is provided with a local floating power supply and can be driven at any duty factor between 0% and 100%. Experimental waveforms are given and implementation is discussed.

ORCID iDs

McNeill, Neville, Holliday, Derrick ORCID logoORCID: https://orcid.org/0000-0002-6561-4535 and Mellor, Philip;
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