PCU9955 Datasheet (NXP) - 16-channel UFm I2C-bus 57mA constant current LED driver

PCU9955, 16-channel UFm I2C-bus 57mA constant current LED driver

The PCU9955 is an Ultra-Fast mode (UFm) 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 LEDn output has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that

PCU9955 Features

* 16 LED drivers. Each output programmable at:

* Off

* On

* Programmable LED brightness

* Programmable group dimming/blinking mixed with individual LED brightness

* Programmable LEDn output enable delay to reduce EMI and surge currents

* 16 constant current output channel