EMI mitigation by substrate integrated common mode filter

Norbert Seliger, Eduard Dechant, Ralph Kennel

Research output: Contribution to journalConference articlepeer-review

Abstract

In this research we propose a novel common mode (CM) EMI filter without discrete components for power electronic converters which is realized on a thin film standard printed circuit (PCB) substrate. The EMI low-pass filter features an integrated shunt capacitor, a defective ground structure (DGS) and provides EMI noise reduction greater than 10dB from 1MHz to 1GHz. We present a filter prototype and demonstrate its performance on a DC/DC buck converter with 650V rated GaN HEMTs which operate with a dv/dt=100V/ns.

Original languageEnglish
Pages (from-to)481-486
Number of pages6
JournalETG-Fachbericht
Volume2022-March
Issue number165
StatePublished - 2022
Event12th International Conference on Integrated Power Electronics Systems, CIPS 2022 - Berlin, Germany
Duration: 15 Mar 202217 Mar 2022

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