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Article Dans Une Revue IEEE Journal of Emerging and Selected Topics in Power Electronics Année : 2016

High-Temperature GaN Active-Clamp Flyback Converter With Resonant Operation Mode

Résumé

An isolated active-clamp flyback power supply with a new resonant operation mode is designed and experimentally tested. A full soft-switching design based on dead-time optimization new approach is implemented. Each topology phase is detailed. An experimental board is presented for high ambient temperature (200 °C) operation. The power supply is dedicated to provide the driver power of wide bandgap power components in a phase-leg configuration. The constraint for galvanic isolation is high and guides the design of the transformer. The power-supply capabilities are 15 V input voltage, 6 V output voltage, 2 W output power, 75% peak efficiency, 11 cm2 footprint, and nominal operation at 200 °C ambient temperature.
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Dates et versions

hal-01374141 , version 1 (29-09-2016)

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Rémi Perrin, Nicolas Quentin, Bruno Allard, Christian Martin, Marwan Ali. High-Temperature GaN Active-Clamp Flyback Converter With Resonant Operation Mode. IEEE Journal of Emerging and Selected Topics in Power Electronics, 2016, 4 (3), pp.1077 - 1085. ⟨10.1109/JESTPE.2016.2544346⟩. ⟨hal-01374141⟩
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