A high-performance, integrated magnetics scheme for buck-cascaded push-pull converter

Xiaolin Gao, Raja Ayyanar

Research output: Contribution to journalLetter

8 Scopus citations

Abstract

This letter proposes a new integrated magnetics scheme for the buck cascaded current-fed push-pull converter. While integrating the transformer and inductor into a common structure, the proposed scheme also alters the operating characteristics of the basic converter. This leads to several advantages such as, continuous output current, zero voltage switching (ZVS), and zero current switching (ZCS) for the switches of the push-pull stage, and reduced conduction losses. The principle of operation of the proposed scheme is analyzed using the gyrator-capacitor model. Experimental results from a 12 V/5 A proof-of-concept prototype are presented demonstrating the advantages of the proposed scheme.

Original languageEnglish (US)
Pages (from-to)29-33
Number of pages5
JournalIEEE Power Electronics Letters
Volume2
Issue number1
DOIs
StatePublished - Mar 1 2004

Keywords

  • Buck cascaded
  • Gyrator-capacitor model
  • Integrated magnetics
  • Push-pull

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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