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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
- 配置两个ACMP,每个ACMPIN- sourceset to the desired threshold.
- Configure LUTs to enable the LED outputs.
- 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。
- Connect a resistor between the cathode of the LED and ground.
- 连接LED和地面的阳极之间的电容。
- 重复LED2输出的步骤3-5
- Connect V_SENSE1 and V_SENSE2 to the cathode of LED1 and LED2 respectively.
资源
GreenPak设计师文件
- 恒流LED驱动器GP(4.46 kB)