AS3689 Lighting Management Unit
Flexible lighting management, charge pump, DC-DC step-up, current sink, ADC, LDO
特徴
- 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
利点
- Up to 25V/50mA for white LEDs
- CP output current up to 400mA
- 3 high voltage current sinks
- Autonomous logarithmic up/down dimming
製品パラメーター
# 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 |

概要
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.

本製品は以下の用途に適しています。
- Mobile phones
- Portable DVD / TV player
- Portable learning toys
- Portable navigation devices
- Portable medical consumer devices

技術資料
タイプ | 品目 | 言語 | ||
---|---|---|---|---|
Datasheet | Document version 1.0.2 | English |
お知らせ
タイプ | 品目 | 言語 | ||
---|---|---|---|---|
EoL Notification | AS1xxx, AS25xx, AS3xxx, AS73211, AS89020, SL900A, TMD4704 (issued 2020-Dec) | English |
その他の情報
タイプ | 品目 | 言語 | ||
---|---|---|---|---|
Block Diagram | AS3689 Block Diagram | English |