【摘要】 针对太阳能光伏路灯最常用的70W LED光源的工作特点,采用PWM技术,设计出以XL6006芯片为核心的LED光源恒流驱动电路。该电路具有工作性能稳定、效率高、损耗小的特点,还可利用PWM方便地实现全功率或半功率自动变换调节LED光源的亮度。更多还原

【Abstract】 According to the working characteristic of the most commonly used 70W LED source in solar PV street light,based on the PWM technology,a constant current drive circuit for LED source using XL6006 chip as the core have been designed.This circuit has characteristic of stable working performance,high efficiency and small loss.The circuit can easily achieve automatic adjustment of the brightness of LED source for full or half power using the PWM.更多还原