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<p>To design efficient power converters, the electromagnetic behavior of the printed circuit board at high switching frequencies should be well-known. However, simulations of power converters considering printed circuit board models based on the finite element method lead to excessive computational time, which is incompatible with the design phase. Then, a model order reduction approach based on Cauer Ladder Network method is applied to define a reduced model of much smaller size than a finite element model. This reduced model can be easy combined with models of power switch and passive component in order to study the voltage and current waveforms as well as the current density distribution in the layout of the printed circuit board. In this article, a general framework for the study of a converter based on the Cauer Ladder Network approach for any configuration of printed circuit board is proposed. In terms of application, a half-bridge converter is studied.</p>

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Printed circuit board modeling based on a Cauer Ladder network approach combined with GaN transistors and passive components

  • 期刊论文

  • 发表日期：

    2026年4月28日

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  • Wei Chen,
  • Thomas Henneron,
  • Loris Pace,
  • Stéphane Clénet,
  • Houssein Taha

摘要

To design efficient power converters, the electromagnetic behavior of the printed circuit board at high switching frequencies should be well-known. However, simulations of power converters considering printed circuit board models based on the finite element method lead to excessive computational time, which is incompatible with the design phase. Then, a model order reduction approach based on Cauer Ladder Network method is applied to define a reduced model of much smaller size than a finite element model. This reduced model can be easy combined with models of power switch and passive component in order to study the voltage and current waveforms as well as the current density distribution in the layout of the printed circuit board. In this article, a general framework for the study of a converter based on the Cauer Ladder Network approach for any configuration of printed circuit board is proposed. In terms of application, a half-bridge converter is studied.