| 大功率LED光源驱动电路的设计 |
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| 引用本文： | 吴舒萍.大功率LED光源驱动电路的设计[J].淮海工学院学报,2014(4):31-35. |
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| 作者姓名： | 吴舒萍 |
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| 作者单位： | 福建水利电力职业技术学院 电力工程系,福建 永安,366000 |
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| 摘 要： | 驱动电源是大功率 LED光源设计的关键技术，利用 SD6900为主控芯片，设计制作一款AC—DC非隔离恒流驱动的大功率 LED灯的电源电路。该电路输入交流电压220 V，恒流输出450 mA，具有功率因素补偿、电源过压／欠压保护、输出短路／开路保护／过温保护、电磁辐射污染小等优点。
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| 关 键 词： | 大功率LED 驱动电源 恒流驱动 |
Design of High-power LED Lighting Drive Circuit |
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| WU Shu-ping.Design of High-power LED Lighting Drive Circuit[J].Journal of Huaihai Institute of Technology:Natural Sciences Edition,2014(4):31-35. |
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| Authors: | WU Shu-ping |
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| Affiliation: | WU Shu-ping (Dept. of Electric Power Engineering, Fujian Water Conservancy and Power Vocational Technical College, Yongan 366000, China) |
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| Abstract: | Drive circuit is the key technology of high-power LED lighting.An AC—DC drive cir-cuit with non-constant current was designed with SD6900 as its main controlling chip.It has the constant output current 450 mA with the input power supply AC 220 V.Moreover,it has the fol-lowing functions：power factor compensation,overvoltage/undervoltage protection,short/open circuit protection,high temperature protection and low electromagnetic pollution. |
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| Keywords: | high-power LED drive circuit constant current drive |
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