A 1 MHz soft-switching boost DC-DC converter with matching network

Hur Jedi, Ghasan Ali Hussain

Abstract


This paper introduces a high-performance zero-voltage-switching (ZVS) boost converter, which is capable to operate under different load currents. By utilizing matching network, the proposed topology can achieve ZVS over a wide range of input voltages. Due to the switching loss is minimized, the proposed circuit is suitable for operation at switching frequencies on the order of several MHz. Steady-state analysis and detailed description of the proposed circuit are discussed. The power-loss and design procedure are introduced. The proposed converter has been simulated to verify the presented analytical approach at 1 MHz and deliver 80 W output. The peak power efficiency achieves 94.2%.


Keywords


Boost converter; Matching network; Soft-switching; Zero-voltage switching (ZVS)

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DOI: http://doi.org/10.11591/ijpeds.v13.i4.pp2226-2234

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