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AS1109 LED Driver IC

8-channel 100mA direct LED driver IC

Features

  • Open/Short error detection
  • Low current diagnostic mode
  • 100mA output current
  • 50MHz SPI interface

Benefits

  • Improved picture quality & reduced maintenance cost through identifying defect LEDs & its position
  • No flickering during LED test
  • Highest brightness of LEDs
  • Allows high resolution external PWM via SPI

Product parameters

Outputs [#] 8
LED Current per Output [mA] 100
Features
Error Detection Yes
Read-Back Yes
LED-to-LED Matching [%] 2
Supply Voltage [V] 3.0 to 5.5
Package SOIC150-16 \ SSOP150-16 \ TQFN(4x4)-16

General Description

The AS1109 is a 100mA 8-channel direct LED driver IC and offers on-chip diagnostics. It can detect open/short LED position during operation and offers a (flickerfree) low current diagnostic mode.

This product suits for the following applications:

  • Public information displays
  • Stadium displays
  • Illumination

Tools

Title Category Headline Buy
AS1109EvalKit Application Board Evaluation Kit for AS1109

Technical Documents

Type Description Language
Datasheet Document version 1.21 English
Application Note LED matrix display English

Other Information

Type Description Language
Block Diagram AS1109 Block Diagram English
Other Product Document AS1109EvalKit Image English

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