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144 LED full color crossplexing driver IC with CP


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


  • 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 parameters

Outputs [#] 144
LED Current per Output [mA] 5
Features 320mA charge pump; 6 Frames; cross-plexing
Error Detection Yes
Read-Back Yes
LED-to-LED Matching [%] 2
Supply Voltage [V] 2.7 to 5.5
Package WL-CSP(3x3)-36

General Description

The AS1119 is a I²C interfaced, ultra-compact cross-plexing LED driver IC for 144 single LEDs with error diagnostic. It offers a 8-bit PWM per LED and a 8-bit 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.

This product suits for the following applications:

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


Title Category Headline Buy
AS1119DemoKit Application Board Demo Kit for AS1119


Name Type Description Language Software Driver source English Software Eval SW 2v14 English

Technical Documents

Name Type Description Version Language
AS1119_AN000127_1-00.pdf Application Note Cross-Plexing 1-00 English
AS1119_AV000106_1-00.wmv Audio-Video LED display 1-00 English
AS1119_BD000255_1-00.png Block Diagram AS1119 Block Diagram 1-00 English
AS1119_DS000246_2-00.pdf Datasheet Document version 2-00 2-00 English
AS1119_PD000272_1-00.png Other Product Document AS1119DemoKit Image 2 1-00 English
AS1119_PD000271_1-00.png Other Product Document AS1119DemoKit Image 1 1-00 English
AS1119_UG000198_1-00.pdf User Guide Demo board 1-00 English
AS1119_UG000181_1-00.pdf User Guide Evaluation Suite Software 1-00 English

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