Description
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.
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 current output channels can sink up to 57 mA, tolerate up to 20 V when OFF.
- Output current adjusted through an external resistor (Rext input).
- Output current accuracy.
- 4 % between outp.
PCA9956B-NXP.pdf
