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.
Not Recommended for New Designs
ams AG is discontinuing production of this device. Final lifetime buy order must be placed by June 30, 2021. Please contact your local sales representative for further information.
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 |
Notifications
| Type | Description | Language | ||
|---|---|---|---|---|
| EoL Notification | AS1xxx, AS25xx, AS3xxx, AS73211, AS89020, SL900A, TMD4704 (issued 2020-Dec) | English |
Other Information
| Type | Description | Language | ||
|---|---|---|---|---|
| Block Diagram | AS1105 Block Diagram | English |
