PCA9955A - 16-channel Fm+ I2C-bus 57 mA/20 V constant current LED driver
The PCA9955A is an I2C-bus controlled 16-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
PCA9955A Features
* 16 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
* Gradation control for all channels
* E
