Adafruit 24-Channel 12-bit PWM LED Driver - SPI Interface - TLC5947

Control 24 channels of 12-bit PWM output with the Adafruit TLC5947 breakout board, ideal for LED control. This breakout board features the TLC5947 driver chip capable of controlling 24 separate PWM outputs with constant current and open drain configuration. It's perfect for driving multiple LEDs in series with a supply voltage up to 30V.

Only three SPI pins are needed to send data, and the design is chainable allowing multiple boards to be connected to expand outputs. The current for each output is set by a resistor included on the board (3.3K for approximately 15mA), which can be changed to customize LED brightness.

Additional features include a 5V low-dropout regulator with reverse polarity protection, a green power-good LED, four mounting holes, and included 0.1 inch header support for breadboard compatibility. The board is powered by 5-30V DC with a common ground and accepts 3-5V logic SPI signals on DIN, CLK, and LAT pins. The OE pin allows for quickly disabling outputs.

• 24 channels of 12-bit PWM output
• SPI interface using only 3 data pins
• Constant current, open-drain outputs for LED control
• Supports LED drive voltage up to 30V
• Onboard 5V regulator with reverse polarity protection
• Chainable design for multiple boards
• Includes current-set resistor (~15mA per channel)
• Green power indicator LED
• Mounting holes and 0.1 inch headers included

Note: Not suitable for driving servos.

For more details, check the product tutorial and TLC5947 datasheet.