journal6 ›› 2013, Vol. 34 ›› Issue (3): 39-44.DOI: 10.3969/j.issn.1007-2985.2013.03.009

• Physics and electrical engineering • Previous Articles     Next Articles

Design of Buck-Boost LED Lighting Driver Based on Multi-Loop Control


  1. (College of Physics and Information Science,Hunan Normal University,Changsha 410082,China)
  • Online:2013-05-25 Published:2013-07-18

Abstract: A multi-loop control strategy is proposed based on OCC (One Cycle Control)-controlled Buck-Boost LED lighting driver,and a novel efficient Buck-Boost LED lighting driver is obtained.The multi-loop control strategy principles are analyzed in detail,the system model is built and the control system performance is made in-depth studies.It can be seen through system simulations that the novel multi-loop control system has better performance such as high power factor,low output impedance and good dynamic performance,and it has achieved the desired goal.

Key words: LED lighting, Buck-Boost, multi-loop control, small signal model, power factor

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