ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

AS1122 LED Driver IC

12ch 40mA 30V PWM LED driver IC

 
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The AS1122 is a 40mA 12 channel direct LED driver IC with 12-bit internal PWM and 6-bit analog current adjustment. It can detect open LED position during operation. The AS1122 allows up to 30V on the LED outputs and is optimized for EMI performance.

 

Key Features

  • 12bit PWM control (4096 steps)
  • 6-bit analog current control
  • 30V output drivers
  • Controlled inrush current

Key Benefits

  • 6.8 billion colors
  • RGB LED white point adjustment
  • Usage of 24V industrial power lines
  • Good EMI performance

Product Facts

Outputs [#] 12
LED current per output [mA] 40
Features 12-bit PWM, 6-bit DOT, low EMI, slim interface
Error detection
Read-back
LED-to-LED matching [%] 1.5
Supply voltage [V] 2.7 to 3.6
Package TQFN(4x4)-24

Additional Information

Applications
  • Public Information Displays
  • Stadium Displays
  • Illumination
  • Ambient Light
  • TV Ambient Light