AS1115 LED Driver IC
64 LED matrix driver with 16 keys
Features
- 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
Benefits
- 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
| Output [#] | 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
Tools
| Title | Category | Headline | Buy |
|---|---|---|---|
| AS1115DemoKitBlue | Application Board | Demo Kit Blue for AS1115 | |
| AS1115ReferenceDesign | Application Board | Reference Design for AS1115 | |
| AS1115DemoKitRed | Application Board | Demo Kit Red for AS1115 |
Technical documents
| Type | Description | Language | ||
|---|---|---|---|---|
| Datasheet | Document version 1.08 | English | ||
| User Guide | RGB | English |
Environmental documents
| Type | Description | Language | ||
|---|---|---|---|---|
| Material Declaration Form | MDF_180230024_AS1115-BSST | English | ||
| Material Declaration Form | MDF_180230006_AS1115-BQFT | English | ||
| RoHS Certificate | RoHS Certificate_AS1115 | English |
Notifications
| Type | Description | Language | ||
|---|---|---|---|---|
| EoL Notification | EN001032 (AS1115-BQFT) | English |
Other information
| Type | Description | Language | ||
|---|---|---|---|---|
| Block Diagram | AS1115 Block Diagram | English |
Related boards
Demo Kit Blue for AS1115
AS1115DemoKitBlue
The AS1115 is 64 LEDs multiplexed LED driver with I²C interface and Keyscan. The device is powered via an USB connector from a PC or via an external power supply. The AS1115 demo kit BLUE can be controlled via the ams USB box in addition with the evaluation software or with an external device via an I²C interface. The demo kit comes with 64 LEDs on it.
Reference Design for AS1115
AS1115ReferenceDesign
The AS1115 is a 64 LEDs multiplexed LED driver with I²C interface and keyscan. The device is powered via an USB connector from a PC or via an external power supply. The reference design can be controlled via the ams USB box in addition with the evaluation software or with an external device via an I²C interface. The AS1115 reference design comes with 34 single yellow LEDs, 4x7 segment digits and 13 buttons. All of this is controlled by the AS1115.
Demo Kit Red for AS1115
AS1115DemoKitRed
The AS1115 is a 64 LEDs multiplexed LED Driver with I²C interface and Keyscan. The device is powered via an USB connector from a PC or via an external power supply. The AS1115 Demo Kit RED can be controlled via the ams USB box in addition with the evaluation software or with an external device via an I²C interface. The demo kit comes with 64 LEDs on it.