Description
PCA9958 is a daisy-chain SPI-compatible 4-wire serial bus controlled 24-channel constant current LED driver optimized for dimming and blinking 63 mA Red/Green/Blue/Amber (RGBA) LEDs.
Features
- 24 LED drivers. Each output programmable at:.
- Off.
- On.
- 8 bits programmable LED brightness.
- 8 bits 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 be assigned to one of six gradation control groups.
- Programmable gradation time and rate for ramp-up and/or ramp-down operations.