AS1105 LED Driver IC
4x8 matrix LED driver IC
Features
- Up to 32 LEDs in a 4x8 matrix
- 4-bit PWM and resistor current control per matrix
- BCD decoder
Benefits
- Drive high LED count very easily
- Brightness adjustment of the matrix
- Allows decoding for 7-segment LEDs
Product parameters
Outputs [#] | 32 |
---|---|
LED Current per Output [mA] | 10 |
Features | Multiplexed |
Error Detection | |
Read-Back | |
LED-to-LED Matching [%] | 3 |
Supply Voltage [V] | 5.0 |
Package | SOIC-20 |

General Description
The AS1105 is a SPI interfaced, dot-matrix LED driver IC for a 4x8 LED matrix or 4 7-segment LEDs. It includes a 4-bit PWM for the entire matrix and an external resistor can be used for analog current adjustment up to 10mA per LED.

This product suits for the following applications:
- White goods
- Public information displays
- Personal electronics

Technical Documents
Type | Description | Language | ||
---|---|---|---|---|
Datasheet | Document version 1.36 | English | ||
Application Note | White goods | English |
Environmental Documents
Type | Description | Language | ||
---|---|---|---|---|
Material Declaration Form | MDF_174970084_AS1105WL-T | English | ||
Material Declaration Form | MDF_174970084_AS1105WL | English |
Other Information
Type | Description | Language | ||
---|---|---|---|---|
Block Diagram | AS1105 Block Diagram | English |