基于宽范围输入的高效LED驱动电源的设计与研究  

Design and Research of High Efficiency LED Driver Based on Wide Range Input

作　　者：张立娟[1] ZHANG Li-juan(Jilin Technology College of Electronic Information,Jilin 132000,China)

机构地区：[1]吉林电子信息职业技术学院,吉林吉林132000

出　　处：《通信电源技术》2020年第10期30-31,34,共3页Telecom Power Technology

基　　金：吉林省教育厅“十三五”科学技术项目“基于宽范围输入的高效LED驱动电源的研发”(JJKH20180491KJ)。

摘　　要：首先对高效LED电源驱动的原理进行了详细分析,明确功率因数在电能使用效率和电网污染方面起到的重要作用,随后对驱动电源系统整体架构、控制电路、EMI滤波电路及LLC谐振变换器等LED电源驱动器的设计进行研究分析,从而设计出一个基于宽范围输入的高效LED驱动电源.这样不仅可有效提高LED的使用效率,而且可以大幅度提高LED的使用寿命.Firstly,the principle of high-efficiency LED power driver is analyzed in detail,and the important role of power factor in power utilization efficiency and grid pollution is clarified.Then,the design of LED power driver,such as the overall structure of driving power system,control circuit,EMI filter circuit and LLC resonant converter,is studied and analyzed,so as to design a wide range transmission based on The high efficiency LED driving power supply can not only effectively improve the use efficiency of LED,but also greatly improve the service life of LED.I hope this paper can provide a good reference for the development of LED technology in China.

关 键 词：高效 LED驱动电源 宽范围输入 

分 类 号：TM46[电气工程—电器]