Overview of Planar Magnetic Technology — Fundamental Properties

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Abstract

The momentum towards high efficiency, high frequency, and high power density in power supplies limits wide use of conventional wire-wound magnetic components. This article gives an overview of planar magnetic technologies with respect to the development of modern power electronics. The major advantages and disadvantages in the use of planar magnetics for high frequency power converters are covered, and publications on planar magnetics are reviewed. A detailed
survey of winding conduction loss, leakage inductance and winding capacitance for planar magnetics is presented so power electronics engineers and researchers can have a clear understanding of the intrinsic properties of planar magnetics.
Original languageEnglish
JournalIEEE Transactions on Power Electronics
Volume29
Issue number9
Pages (from-to)4888-4900
ISSN0885-8993
DOIs
Publication statusPublished - 2014

Keywords

  • Planar magnetics
  • Transformer
  • Inductor winding loss
  • Fringing effect
  • Planar sandwiched magnetics
  • Parallel winding
  • Leakage inductance and winding capacitance

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