PCA9959 - LED driver
PCA9959 is a daisy-chain SPI-compatible 4-wire serial bus controlled 24-channel constant preset current LED driver, optimized for dimming and blinking 63 mA Red/ Green/Blue/Amber (RGBA) LEDs.
Each LED output has its own 6-bit resolution (64 steps) preset current configuration, with an absolute accur
PCA9959 Features
* 24 LED drivers, each output programmable at:
* Off
* On
* 6 bits programmable LED brightness
* Programmable LED output delay to reduce EMI and surge currents
* Gradation control for all channels
* Each channel can assign to one of four gradat
