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Wideband Modeling of DC-DC Buck Converter with GaN Transistors

Author

Listed:
  • Piotr Musznicki

    (Faculty of Electrical and Control Engineering, Gdańsk University of Technology, str. Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
    All authors contributed equally.)

  • Pawel B. Derkacz

    (Faculty of Electrical and Control Engineering, Gdańsk University of Technology, str. Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
    CNRS, Grenoble INP, G2Elab, University Grenoble Alpes, F-38000 Grenoble, France
    All authors contributed equally.)

  • Piotr J. Chrzan

    (Faculty of Electrical and Control Engineering, Gdańsk University of Technology, str. Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
    All authors contributed equally.)

Abstract

The general wideband modeling method of the power converter is presented on the example of DC-DC buck converter with GaN High Electron Mobility Transistors (HEMT). The models of all basic and parasitic components are briefly described. The two methods of Printed Circuit Board (PCB) layout parameter extraction are presented. The results of simulation in Saber@Sketch simulation software and measurements are compared. Next, the model of the converter is reduced to obtain one lumped inductance of the input filter PCB for the analytical prediction of transistor turn-off ringing frequency and overvoltage. The practical use of the model is presented for sizing optimal capacitance of snubber.

Suggested Citation

  • Piotr Musznicki & Pawel B. Derkacz & Piotr J. Chrzan, 2021. "Wideband Modeling of DC-DC Buck Converter with GaN Transistors," Energies, MDPI, vol. 14(15), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4430-:d:599450
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    References listed on IDEAS

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    1. Jelena Loncarski & Vito Giuseppe Monopoli & Riccardo Leuzzi & Leposava Ristic & Francesco Cupertino, 2019. "Analytical and Simulation Fair Comparison of Three Level Si IGBT Based NPC Topologies and Two Level SiC MOSFET Based Topology for High Speed Drives," Energies, MDPI, vol. 12(23), pages 1-16, November.
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    Cited by:

    1. Michał Gwóźdź, 2021. "Power Electronics Programmable Voltage Source with Reduced Ripple Component of Output Signal Based on Continuous-Time Sigma-Delta Modulator," Energies, MDPI, vol. 14(20), pages 1-17, October.

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