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


144LED full color crossplexing driver IC with CP

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The AS1119 is a, I²C interfaced, ultra-compact cross-plexing LED driver IC for 144 single LEDs with error diagnostic. It offers a 8bit PWM per LED and a 8bit analog current adjustment on each matrix for up to 5mA per LED. It offers 6 frames of memory reducing MCU load and an internal automatic charge pump supplying individual LEDs with a higher voltage if required.

Key Features

  • Up to 144LEDs as 2x 8x9 or 3x 5x6
  • 8bit PWM per LED and current control per matrix
  • 6 frames of memory
  • Internal automatic charge pump

Key Benefits

  • Excellent PCB real estate vs LED count
  • 16.7M full color matrix with white balance
  • Reduces MCU load and increases battery lifetime
  • Extends battery lifetime while reducing BOM and increasing ease of use

Product Facts

Outputs [#] 144
LED current per output [mA] 5
Features 320mA charge pump;
6 Frames; cross-plexing
Error detection
LED-to-LED matching [%] 2
Supply voltage [V] 2.7 to 5.5
Package WL-CSP(3x3)-36

Additional Information

  • Personal Electronics
  • Mobile phones
  • Fitness bands
  • Home appliance
  • Keyboard backlight
  • Lighting effects