恒流LED驱动器

恒流LED驱动器

Pulse-based Control Application

LED drivers provide and regulate the current to LEDs. They keep the power at safe levels to prevent burnout/thermal runaway.

Ingredients

  • 任何GreenPak
  • 四个电容器
  • 四个二极管(2个LED,2个硅二极管)
  • 两个电阻

GreenPak图

Design Steps

  1. 配置两个ACMP,每个ACMPIN- sourceset to the desired threshold.
  2. Configure LUTs to enable the LED outputs.
  3. 将LED1_1和LED1_2连接到硅二极管的阳极并将硅二极管的阴极连接到LED的阳极。
  4. Connect a resistor between the cathode of the LED and ground.
  5. 连接LED和地面的阳极之间的电容。
  6. 重复LED2输出的步骤3-5
  7. Connect V_SENSE1 and V_SENSE2 to the cathode of LED1 and LED2 respectively.

资源

GreenPak设计师文件