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AS1115 LED Driver IC

64 LED matrix driver with 16 keys


  • Up to 64 LEDs in an 8x8 matrix
  • 4-bit PWM per line/digit and Rext current control per matrix
  • LED error diagnostic
  • 16-key readback


  • Drive high LED count very easily
  • Individual brightness control of each digit/line
  • Improves picture quality & reduces test/maintenance time
  • Low BOM, complete user interface (UI) can be implemented

Product parameters

Outputs [#] 64
LED Current per Output [mA] 5
Features 16-keys, multiplexed; I²C interface
Error Detection Yes
Read-Back Yes
LED-to-LED Matching [%] 3
Supply Voltage [V] 2.7 to 5.5
Package QSOP-24 \ TQFN(4x4)-24

General Description

The AS1115 is a compact, I²C interfaced, dot-matrix LED driver for a 8x8 LED matrix or 8x 7-segment LEDs. It includes a 4-bit PWM for each segment and an external resistor can be used for analog current adjustment up to 5mA per LED. In addition the AS1115 can read back 16 keys and offers a detailed short/open LED error diagnostic.

This product suits for the following applications:

  • White goods
  • Home appliance
  • Personal electronics
  • Mobile phones
  • Medical devices


Title Category Headline Buy
AS1115DemoKitBlue Application Board Demo Kit Blue for AS1115
AS1115DemoKitRed Application Board Demo Kit Red for AS1115
AS1115ReferenceDesign Application Board Reference Design for AS1115


Name Type Description Language Software Eval SW 2v40 English Software USB box driver English Software WGB Eval SW 1v24 English
AS1115-16_SW000168_1-00.doc Software Installing USB box English

Technical Documents

Name Type Description Version Language Audio-Video Webinar 1-00 English
AS1115_BD000251_1-00.png Block Diagram AS1115 Block Diagram 1-00 English
AS1115_DS000206_1-00.pdf Datasheet Document version 1.08 1-00 English
AS1115_PD000264_1-00.png Other Product Document AS1115DemoKitBlue Image 1-00 English
AS1115_PD000265_1-00.png Other Product Document AS1115DemoKitRed Image 1-00 English
AS1115_PD000266_1-00.png Other Product Document AS1115ReferenceDesign Image 1-00 English
AS1115_UG000201_1-00.pdf User Guide White goods 1-00 English
AS1115_UG000202_1-00.pdf User Guide Single Color 1-00 English
AS1115_UG000203_1-00.pdf User Guide RGB 1-00 English

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