太陽能LED街燈的挑戰及安森美半導體高能效解決方案

摘要：LED替代傳統的熒光燈和HID金屬燈具有明顯的優勢，將成為太陽能街燈的重要光源。本文探討了利用安森美半導體的CS51221充電控制器結合最大峰值功率跟蹤功能提升太陽能電池板能效以滿足LED街燈供電的需要。 敘詞：LED街燈 太陽能電池板 最大峰值功率跟蹤 控制器 Abstract：LED has great advantages over traditional fluorescent lamp and HID Halide Lamp, and tends to be used widely in solar street light. This article explores the use of ON Semiconductor CS51221 charge controller, combined with the function of maximum peak power tracking, to improve the power efficiency of solar panel, thus supplying power for LED street light. Keyword：LED Street Light Solar Panel Maximum Peak Power Tracking Controller