• Part: PCA9531
  • Description: 8-bit I2C LED dimmer
  • Manufacturer: NXP Semiconductors
  • Size: 138.46 KB
PCA9531 Datasheet (PDF) Download
NXP Semiconductors
PCA9531

Overview

The PCA9531 is an 8-bit I2C & SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and back light applications. The PCA9531 contains an internal oscillator with two user programmable blink rates and duty cycles coupled to the output PWM.

  • Eight LED drivers (on,