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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  <identifier identifierType="DOI">10.5281/zenodo.3491813</identifier>
  <creators>
    <creator>
      <creatorName>Ammar, Ahmed M.</creatorName>
      <givenName>Ahmed M.</givenName>
      <familyName>Ammar</familyName>
      <affiliation>Technical University of Denmark</affiliation>
    </creator>
    <creator>
      <creatorName>Nour, Yasser</creatorName>
      <givenName>Yasser</givenName>
      <familyName>Nour</familyName>
      <affiliation>Technical University of Denmark</affiliation>
    </creator>
    <creator>
      <creatorName>Knott, Arnold</creatorName>
      <givenName>Arnold</givenName>
      <familyName>Knott</familyName>
      <affiliation>Technical University of Denmark</affiliation>
    </creator>
  </creators>
  <titles>
    <title>A High-Efficiency 1 MHz 65 W GaN-Based LLC Resonant DC-DC Converter</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2019</publicationYear>
  <subjects>
    <subject>resonant power conversion</subject>
    <subject>dc-dc converters</subject>
    <subject>offline converters</subject>
    <subject>wide bandgap semiconductors</subject>
    <subject>zero voltage switching (ZVS)</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2019-10-25</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Conference paper</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3491813</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsPreviousVersionOf">10.1109/CPERE45374.2019.8980041</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.3491812</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/ledlum-2020</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;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.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/731466/">731466</awardNumber>
      <awardTitle>TINY LIGHT ENGINE FOR LARGE SCALE LED LIGHTING</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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