Datasheet Details
| Part number | PCA9955A |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 1.60 MB |
| Description | 16-channel Fm+ I2C-bus 57 mA/20 V constant current LED driver |
| Datasheet |
 PCA9955A Datasheet
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General Description
The PCA9955A is an 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.
Key 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.