AS1104 LED Driver IC
40mA 4-channel direct LED driver IC
Features
- 4 channel 40mA driver
- 150mV headroom to operate
- PWM input
- External resistor
Benefits
- High brightness LEDs
- Excellent efficiency & battery lifetime
- High resolution dimming possible
- Anaolg dimming or current control
Product parameters
| Output [#] | 4 |
|---|---|
| LED Current per Output [mA] | 40 |
| Features | Simple drive |
| Error Detection | |
| Read-Back | |
| LED-to-LED Matching [%] | 3 |
| Supply Voltage [V] | 2.2 to 3.6 |
| Package | MSOP-8 |
General Description
The AS1104 is a high efficient direct LED driver IC. It offers 4 40mA outputs which can be dimmed with an external PWM and adjusted in analog current with an resistor. It only requires 150mV headroom voltage to operate.
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:
- Small display backlight
- Keyboard backlight
- Music player backlight
Technical Documents
| Type | Description | Language | ||
|---|---|---|---|---|
| Datasheet | Document version 1.5 | 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 | AS1104 Block Diagram | English |
