DCM Boost PFC for High Brightness LED Driver Applications

Tal Tayar, Alexander Abramovitz and Doron Shmilovitz
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Tal Tayar: Department of Physical Electronics, School of Electrical Engineering, Faculty of Engineering, Tel-Aviv University, P.O. Box 39040, Tel Aviv-Yafo 69978, Israel
Alexander Abramovitz: Department of Electrical Engineering, Faculty of Engineering, Holon Institute of Technology, 52 Golomb St., Holon 5810201, Israel
Doron Shmilovitz: Department of Physical Electronics, School of Electrical Engineering, Faculty of Engineering, Tel-Aviv University, P.O. Box 39040, Tel Aviv-Yafo 69978, Israel

Energies, 2021, vol. 14, issue 17, 1-16

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.

Keywords: LED driver; AC-DC conversion; boost converter; DCM; PFC (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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