Part PCA9533
Description 4-bit I2C LED dimmer
Manufacturer NXP Semiconductors
Size 122.30 KB
NXP Semiconductors

PCA9533 Overview

Key Features

  • 4 LED drivers (on, off, flashing at a programmable rate)
  • 2 selectable, fully programmable blink rates (frequency and duty cycle) between 0.591 Hz and 152 Hz (1.69 seconds and 6.58 milliseconds)
  • 256 brightness steps
  • Input/outputs not used as LED drivers can be used as regular GPIOs
  • Internal oscillator requires no external components