Conference paper Open Access

A High-Efficiency 1 MHz 65 W GaN-Based LLC Resonant DC-DC Converter

Ammar, Ahmed M.; Nour, Yasser; Knott, Arnold


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{
  "description": "<p>This paper presents an LLC resonant DC-DC converter for single-phase offline converters. A 1 MHz 400 V to 48 V prototype employing gallium nitride (GaN) switching devices is designed and implemented. A high-frequency magnetic material is used for the magnetic devices, with the resonant inductor integrated in the transformer. The converter operation is based on soft switching and achieves up to 65 W of output power with a peak efficiency of 96 % at full-load. Inherent load regulation capability is demonstrated from 5 to 65 W of power with fixed switching frequency, while line regulation for 360 to 440 V input is verified with a frequency modulation range of 816 to 1256 KHz respectively.</p>", 
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Technical University of Denmark", 
      "@type": "Person", 
      "name": "Ammar, Ahmed M."
    }, 
    {
      "affiliation": "Technical University of Denmark", 
      "@type": "Person", 
      "name": "Nour, Yasser"
    }, 
    {
      "affiliation": "Technical University of Denmark", 
      "@type": "Person", 
      "name": "Knott, Arnold"
    }
  ], 
  "headline": "A High-Efficiency 1 MHz 65 W GaN-Based LLC Resonant DC-DC Converter", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2019-10-25", 
  "url": "https://zenodo.org/record/3491813", 
  "@type": "ScholarlyArticle", 
  "keywords": [
    "resonant power conversion", 
    "dc-dc converters", 
    "offline converters", 
    "wide bandgap semiconductors", 
    "zero voltage switching (ZVS)"
  ], 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.3491813", 
  "@id": "https://doi.org/10.5281/zenodo.3491813", 
  "workFeatured": {
    "alternateName": "CPERE", 
    "location": "Aswan, Egypt", 
    "@type": "Event", 
    "name": "2019 IEEE Conference on Power Electronics and Renewable Energy"
  }, 
  "name": "A High-Efficiency 1 MHz 65 W GaN-Based LLC Resonant DC-DC Converter"
}
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