Design and implementation of a LED driver with current balancing

Tzu Hsuan Kuo, Tsorng Juu Liang, Wei Jiun Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper, the design and implementation of a LED driver with current balancing are presented. The proposed driver includes a boost power factor correction converter as front-stage and a half-bridge resonant inverter as rear-stage. With the current balancing scheme, the driver is suitable to drive the multi-string LEDs. The effect of the LED equivalent model on the resonant circuit and the driver operating principles are discussed. The design and characteristics of proposed current balancing scheme are also considered. Finally, a two-stage LED driver with current balancing is implemented to drive 4 strings LED module, which contains 15 pieces 1 W white light LEDs for each string. Experimental results show that the proposed circuit can be operated at 90∼264 Vrms AC input voltage range and the highest efficiency is 87.9 %.

Original languageEnglish
Title of host publication2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3306-3313
Number of pages8
ISBN (Electronic)9781509012107
DOIs
Publication statusPublished - 2016 Jul 13
Event8th IEEE International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016 - Hefei, China
Duration: 2016 May 222016 May 26

Publication series

Name2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016

Other

Other8th IEEE International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016
CountryChina
CityHefei
Period16-05-2216-05-26

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Control and Optimization

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