一种智能LED驱动器设计

A Design of Intelligence LED Lighting Driver

文章设计了一种结构简单、成本低的智能LED照明驱动器。驱动芯片采用大功率恒流驱动芯片SMD802,热释电红外传感器检测人体移动信号,采用PWM调光方式,实现了LED照明灯具休眠和高亮2种工作方式,使LED照明智能化、人性化。实验结果表明,该驱动器效率高、功能可靠。

The design of intelligence led lighting driver is described in the article.The power driver has simple structure and low cost.The high power constant current driver chip.SMD802 is used as driver chip.The pyroelectric infrared sensor detects the signals of human bodiesmovement.LED lighting lamps and lanterns is realized by using PWM dimming,work in dormancy and highlighted in two ways.It makes the LED lighting intelligent and humanization.The experimental results show that the drive high efficiency and reliable function.