A Single-stage LED Driver with Couple Inductor in Low Input voltage

被引：0
|
作者：
Liang, Tian [1 ]
Wang, Yijie [1 ]
Guan, Yueshi [1 ]
Xu, Dianguo [1 ]
Wang, Wei [1 ]
机构：
[1] Harbin Inst Technol, Dept Elect Engn, Harbin, Peoples R China
来源：
2016 IEEE 8TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE (IPEMC-ECCE ASIA) | 2016年
关键词：
LED; conduction continuous mode (CCM); LLC;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A single-stage LED is proposed the paper, the LED driver is made of three parts, the first part is a continuous conduction mode (CCM) boost circuit, which make the circuit have a twice voltage gain; the second part is a double tank LLC circuit, which decreases the peak current and improves the efficiency of the system, and here the couple inductor technique is adopted to increase the power density; the third part is the current balancing circuit, which is used to balance the current of different strings. A 35W prototype is proposed in the laboratory to prove the rightness of the analysis, and the efficiency is as high as 95% in the full load state.
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页数：5
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