PCA9745B Datasheet (NXP)

PCA9745B, LED driver

The PCA9745B is a daisy-chain SPI-compatible 4-wire serial 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 co

PCA9745B 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