Description
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.
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.
- Each channel can assign to one of four gradation control groups.
- Programmable gradation time and rate for ramp-up and/or ramp-down operations.
- Programmable step time (6-bit) from 0.5 ms (mini.
PCA9745B Datasheet
