AS1109 LED Driver IC
8-channel 100mA direct LED driver IC
Features
- Open/Short error detection
- Low current diagnostic mode
- 100mA output current
- 50MHz SPI interface
Benefits
- Improved picture quality & reduced maintenance cost through identifying defect LEDs & its position
- No flickering during LED test
- Highest brightness of LEDs
- Allows high resolution external PWM via SPI
Product parameters
Outputs [#] | 8 |
---|---|
LED Current per Output [mA] | 100 |
Features | |
Error Detection | Yes |
Read-Back | Yes |
LED-to-LED Matching [%] | 2 |
Supply Voltage [V] | 3.0 to 5.5 |
Package | SOIC150-16 \ SSOP150-16 \ TQFN(4x4)-16 |

General Description
The AS1109 is a 100mA 8-channel direct LED driver IC and offers on-chip diagnostics. It can detect open/short LED position during operation and offers a (flickerfree) low current diagnostic mode.

This product suits for the following applications:
- Public information displays
- Stadium displays
- Illumination

Tools
Title | Category | Headline | Buy |
---|---|---|---|
AS1109EvalKit | Application Board | Evaluation Kit for AS1109 |
Technical Documents
Type | Description | Language | ||
---|---|---|---|---|
Datasheet | Document version 1.21 | English | ||
Application Note | LED matrix display | English |
Environmental Documents
Type | Description | Language | ||
---|---|---|---|---|
Material Declaration Form | MDF_176560035_AS1109-BSOU | English | ||
Material Declaration Form | MDF_176560035_AS1109-BSOT | English | ||
Material Declaration Form | MDF_176560037_AS1109-BQFT | English | ||
Material Declaration Form | MDF_176560037_AS1109-BQFR | English | ||
RoHS Certificate | RoHS Certificate_AS1109 | English |
Other Information
Type | Description | Language | ||
---|---|---|---|---|
Block Diagram | AS1109 Block Diagram | English |