| 基于LLC谐振的多路输出LED路灯恒流驱动电路 |
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| 引用本文： | 梁国辉,谢谦,王曾,罗萍,罗佳慧.基于LLC谐振的多路输出LED路灯恒流驱动电路[J].微电子学,2011,41(5):668-671. |
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| 作者姓名： | 梁国辉 谢谦 王曾 罗萍 罗佳慧 |
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| 作者单位： | 电子科技大学电子薄膜与集成器件国家重点实验室,成都,610054 |
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| 基金项目： | 国家高技术研究发展(863)计划基金资助项目(2008AA03A190); 四川省科技厅项目(2010Z00025) |
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| 摘 要： | 介绍了LLC谐振变换器的基本原理,并结合L6599、L6563以及LM3404,设计了一款适用于大功率LED路灯照明的谐振式多路输出恒流驱动电路.该电路采用LLC谐振网络,有效地减小了功率器件的损耗,提高了在多路输出LED驱动电路中的整机效率.在恒流网络中,通过优化拓扑结构,优化了恒流特性,减弱了输出电压对输出电流的影...
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| 关 键 词： | LLC谐振 LED路灯 多路输出 恒流驱动 |
A Constant Current Multi-Output Driver for LED Street Lighting Based on LLC Resonant Topology |
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| LIANG Guohui,XIE Qian,WANG Zeng,LUO Ping,LUO Jiahui.A Constant Current Multi-Output Driver for LED Street Lighting Based on LLC Resonant Topology[J].Microelectronics,2011,41(5):668-671. |
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| Authors: | LIANG Guohui XIE Qian WANG Zeng LUO Ping LUO Jiahui |
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| Affiliation: | LIANG Guohui,XIE Qian,WANG Zeng,LUO Ping,LUO Jiahui(State Key Lab of Electronic Thin Films and Integrated Device,Univ.of Elec.Sci.& Technol.of China,Chengdu 610054,P.R.China) |
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| Abstract: | Basic principle of LLC resonant converter was described.Based on L6599,L6563 and LM3404,a resonant constant current driver with multiple output was designed for power LED street lighting.In this circuit,LCC resonant topology was adopted to effectively reduce power loss of the device,and enhance efficiency of the multi-output LED driver circuit.By optimizing the constant current topology,the constant current characteristics was optimized,and effects of output voltage on output current was reduced,making outp... |
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| Keywords: | LLC resonant LED streetlight Multiple output Constant current driver |
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