AS3689 Lighting Management Unit
Flexible lighting management, charge pump, DC-DC step-up, current sink, ADC, LDO
特点
- High-efficiency DC-DC step-up converter
- High-efficiency high-power charge pump
- Supports up to 15 current sinks
- PWM generation and LED pattern generator
优势
- Up to 25V/50mA for white LEDs
- CP output current up to 400mA
- 3 high voltage current sinks
- Autonomous logarithmic up/down dimming
产品参数
| # of Current Sinks (HV) | 3 |
|---|---|
| # of Current Sinks (LV) | 12 |
| CP (max. l) [mA] | 400 |
| DC-DC (max. l) [mA] | Controller |
| Max. Vled [V] | Controller |
| # of LDOs | 1 |
| Auto ALS | |
| DLS | |
| RGB Pattern | Yes |
| Dimming | Yes |
| Auto-In | |
| LED Test | Yes |
| Flash Support | Yes |
| Flash (max. l) [mA] | 150 |
| Package | WL-CSP36 (3x3)-0.5 |
综述
The AS3689 is a highly-integrated CMOS power and lighting management unit to supply power to LCD and camera modules in mobile telephones, and other 1-cell Li+ or 3-cell NiMH powered devices. The device incorporates one low-power, low-dropout regulator (LDO), one DC-DC step-up converter for white backlight LEDs, one high-power charge pump for camera flash LEDs, support for up to 11 current sinks, a two-wire serial interface, and control logic all onto a single device.
Not Recommended for New Designs
ams-OSRAM 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.
本产品适用于以下应用:
- Mobile phones
- Portable DVD / TV player
- Portable learning toys
- Portable navigation devices
- Portable medical consumer devices
技术文档
| 类别 | 描述 | 语言 | ||
|---|---|---|---|---|
| Datasheet | Document version 1.0.2 | English |
通知
| 类别 | 描述 | 语言 | ||
|---|---|---|---|---|
| EoL Notification | AS1xxx, AS25xx, AS3xxx, AS73211, AS89020, SL900A, TMD4704 (issued 2020-Dec) | English |
其他信息
| 类别 | 描述 | 语言 | ||
|---|---|---|---|---|
| Block Diagram | AS3689 Block Diagram | English |
