AS1119
144 LED full color crossplexing driver IC with CP
Features
- Up to 144 LEDs as 2x 8x9 or 3x 5x6
- 8-bit PWM per LED and current control per matrix
- 6 frames of memory
- Internal automatic charge pump
Benefits
- Excellent PCB real estate vs LED count
- 16.7M full color matrix with white balance
- Reduces MCU load and increases battery lifetime
- Extends battery lifetime while reducing BOM and increasing ease of use
Product parameters
| Outputs [#] | 144 |
|---|---|
| LED Current per Output [mA] | 5 |
| Features | 320mA charge pump; 6 Frames; cross-plexing |
| Error Detection | Yes |
| Read-Back | Yes |
| LED-to-LED Matching [%] | 2 |
| Supply Voltage [V] | 2.7 to 5.5 |
| Package | WL-CSP(3x3)-36 |
General Description
The AS1119 is a I²C interfaced, ultra-compact cross-plexing LED driver IC for 144 single LEDs with error diagnostic. It offers a 8-bit PWM per LED and a 8-bit analog current adjustment on each matrix for up to 5mA per LED. It offers 6 frames of memory reducing MCU load and an internal automatic charge pump supplying individual LEDs with a higher voltage if required.
This product suits for the following applications:
- Personal electronics
- Mobile phones
- Fitness bands
- Home appliance
- Keyboard backlight
- Lighting effects
Tools
| Title | Category | Headline | Buy |
|---|---|---|---|
| AS1119DemoKit | Application Board | Demo Kit for AS1119 |
Resources
| Name | Type | Description | Language |
|---|---|---|---|
| AS1119_SW000166_1-00.zip | Software | Driver source | English |
| AS1119_SW000165_1-00.zip | Software | Eval SW 2v14 | English |
Technical Documents
| Name | Type | Description | Version | Language |
|---|---|---|---|---|
| AS1119_AN000127_1-00.pdf | Application Note | Cross-Plexing | 1-00 | English |
| AS1119_AV000106_1-00.wmv | Audio-Video | LED display | 1-00 | English |
| AS1119_BD000255_1-00.png | Block Diagram | AS1119 Block Diagram | 1-00 | English |
| AS1119_DS000246_2-00.pdf | Datasheet | Document version 2-00 | 2-00 | English |
| AS1119_PD000272_1-00.png | Other Product Document | AS1119DemoKit Image 2 | 1-00 | English |
| AS1119_PD000271_1-00.png | Other Product Document | AS1119DemoKit Image 1 | 1-00 | English |
| AS1119_UG000198_1-00.pdf | User Guide | Demo board | 1-00 | English |
| AS1119_UG000181_1-00.pdf | User Guide | Evaluation Suite Software | 1-00 | English |
Related Boards
Demo Kit for AS1119
AS1119DemoKit
Demo kit for the AS1119 LED Driver IC. 144-LEDs, 3.5mA cross-plexed LED Driver with 320mA charge pump, WL-CSP(3x3)-36, RoHS/ Pb-free. To operate the demo board with the included software the USB-Box is required and must be ordered separately.