Dcm boost pfc for high brightness led driver applications

Tal Tayar, Alexander Abramovitz, Doron Shmilovitz

Research output: Contribution to journalArticlepeer-review

Abstract

This paper is concerned with the derivation of a discontinuous conduction mode boost PFC rectifier as a driver for high‐power LED lighting applications. The proposed driver is operated in the current mode regime while emulating a resistance towards the line, thus attaining a near unity power factor and low total harmonic distortion of the line current. Theoretical analysis is reported and conditions for the low LED flicker are derived. A method of design for minimum THD is also suggested. Simulation and experimental results are reported.

Original languageEnglish
Article number5486
JournalEnergies
Volume14
Issue number17
DOIs
StatePublished - Sep 2021

Keywords

  • AC−DC conversion
  • Boost converter
  • DCM
  • LED driver
  • PFC

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