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AS1109 LED Driver IC

8channel 100mA direct LED driver IC

 
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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

 

Key Features

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

Key Benefits

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

Product Facts

Outputs [#] 8
LED current per output [mA] 100
Features
Error detection
Read-back
LED-to-LED matching [%] 2
Supply voltage [V] 3.0 to 5.5
Package SOIC150-16 /
SSOP150-16 /
TQFN(4x4)-16

Additional Information

Applications
  • Public Information Displays
  • Stadium Displays
  • Illumination