基于LM3402的LED照明驱动电路设计  

Design of LED Lighting Driver Circuit Based on LM3402

作　　者：张波[1,2] 郭祥瑞 钱秋霞 宋佳 张悦[1] ZHANG Bo;GUO Xiangrui;QIAN Qiuxia;SONG Jia;ZHANG Yue(School of Electronic and Information Engineering,Suzhou Vocational University,Suzhou 215104,China;Suzhou Key Laboratory of Smart Energy Technology,Suzhou 215104,China)

机构地区：[1]苏州市职业大学电子信息工程学院,江苏苏州215104 [2]苏州市智慧能源技术重点实验室,江苏苏州215104

出　　处：《中国照明电器》2024年第12期6-8,37,共4页China Light & Lighting

基　　金：苏州市科技计划项目(2022SS39);苏州市职业大学研究性课程(SZDYKC240706);2023年江苏省职业院校学生创新创业培育计划项目(G20231606);江苏省“青蓝工程”能源电子技术教学团队资助项目(苏教师函(2023)27号)。

摘　　要：为了更好地推进高效节能的LED灯应用,助力节能环保,深入研究了LED灯的特性与优点,LED灯对驱动电路的要求,LED调光特性及PWM调光的优点。在研究的基础上基于LM3402设计了12 W的LED照明灯驱动电路。设计的驱动电路由48 V直流电源供电,给出了电流检测电阻等主要器件的参数,并给出了调光控制电路的设计方案。设计的电路性能优良,研究成果对LED驱动电路的设计有很好的借鉴作用。In order to better promote the application of efficient and energy-saving LED lights,and contribute to energy conservation and environmental protection,in-depth research has been conducted on the characteristics and advantages of LED lights,the requirements of LED lights for driving circuits,the dimming characteristics of LED lights,and the advantages of PWM dimming.Based on the research,a 12 W LED lighting driver circuit was designed using LM3402.The designed driving circuit is powered by a 48 V DC power supply,and the parameters of the main components such as the current detection resistor are given.The design method of the dimming control circuit is also provided.The designed circuit has excellent performance,and the research results have a good reference value for the design of LED driver circuits.

关 键 词：LED照明 恒流驱动 PWM调光 LM3402 参数计算 

分 类 号：TM923.34[电气工程—电力电子与电力传动] TM46