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AS1100 LED Driver IC

8x8 matrix LED driver


  • Up to 64 LEDs in an 8x8 matrix
  • 4-bit PWM and resistor current control per matrix
  • BCD decoder


  • Drive high LED count very easily
  • Brightness adjustment of the matrix
  • Allows decoding for 7-segment LEDs

Product parameters

Outputs [#] 64
LED Current per Output [mA] 5
Features Multiplexed
Error Detection
LED-to-LED Matching [%] 3
Supply Voltage [V] 5.0
Package SOIC-24

General Description

The AS1100 is a SPI interfaced, dot-matrix LED driver for a 8x8 LED matrix or 8 7-segment LEDs. It includes a 4-bit PWM for the entire matrix and an external resistor can be used for analog current adjustment up to 5mA per LED.

This product suits for the following applications:

  • White goods
  • Public information displays
  • Personal electronics

Technical Documents

Type Description Language
Application Note White goods English
Block Diagram AS1100 Block Diagram English
Datasheet Document version 1.37 English
User Guide Demo board English

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