LED driver chip has ability to PWM each individual LED

Stocked by Digi-Key, Adafruit has designed a breakout board for ISSI’s IS31FL3731 I²C LED driver chip. The chip has the ability to PWM each individual LED in a 144-LED matrix, providing the ability to have beautiful LED lighting effects while reducing the required I/O pins. The driver allows each of the 144 LEDs to be set individually, and each LED can be dimmed individually with 8-bit, allowing 256 steps of linear dimming. The chip can operate from 2.7V - 5.5V power and logic, so it’s flexible for use with most microcontrollers and the address can be set easily using the onboard jumpers so that up to four matrices can share an I²C bus. The driver has enough RAM for eight separate frames of display memory, so multiple frames of an animation can be loaded and displayed with a single command. Additionally, the device has the ability to modulate LED frames from a connected audio signal. This chip is ideal for small LED displays, and Adafruit has designed the driver breakout to match up with their ready-to-go LED grids in red, yellow, green, blue, warm white, and cool white. Easily combine the driver breakout board with any of the company’s recommended 9 x 16 LED matrix boards, or control any matrix meeting the specifications in the device’s datasheet.