DIODES AL Series 36,18,12 Channel Linear Rgb LED Driver User Guide
- August 28, 2024
- DIODES
Table of Contents
DIODES AL Series 36,18,12 Channel Linear RGB LED Driver
Specifications
- Channels: 36, 18, 12
- Control Interface: SPI/I2C digital interface
- PWM Generator: 30kHz, 12-bit for each channel
- Features: Color-mixing, brightness-control registers
- Power Saving Mode: Ultra-low shutdown IQ
Hardware Setup
Connect the USB Type C cable to Box #1 for power input. Use the external jumpers provided in Box #8 for connecting external LEDs.
Initial LED Lighting
- Connect the USB cable to power up the LEDs onboard.
- To light up all LEDs, remove the jumper in Box #2.
Individual Channel Control
- To disable the outer ring LEDs (controlled by AL5887/AL5887Q), remove the jumper in Box #2.
- To disable the middle ring LEDs (controlled by AL58812/AL58812Q), remove the jumper in Box #3.
- To disable the inner ring LEDs (controlled by AL58818/AL58818Q), remove the jumper in Box #4.
Connecting External LEDs
If desired, connect external LEDs to the AL5887/AL5887Q usingthe provided external jumpers in Box #8 after removing the jumper in Box #2 to disable onboard LEDs.
FAQs
Q: How can I change the LED colors or brightness?
A: Color and brightness control can be achieved by programming the channel
/module-independent color-mixing and brightness-control registers via the
SPI/I2C digital interface.
Q: Can I use my own MCU to control the LED driver?
A: Yes, you can utilize the SPI/I2C digital interface to communicate with
the LED driver using your own MCU.
References
Read User Manual Online (PDF format)
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