PCA9956B - LED driver
The PCA9956B is an I2C-bus controlled 24-channel constant current LED driver optimized for dimming and blinking 57 mA Red/Green/Blue/Amber (RGBA) LEDs in amusement products.
Each LED output has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that operates at 31.25 kHz
PCA9956B Features
* PCA9956B Product data sheet
* 24 LED drivers. Each output programmable at:
* Off
* On
* Programmable LED brightness
* Programmable group dimming/blinking mixed with individual LED brightness
* Programmable LED output delay to reduce EMI and surge currents
* 24 constant
