AS3688 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 12 current sinks
- PWM generation and LED pattern generator
优势
- Up to 25V/50mA for white LEDs
- CP output current up to 400mA / 900mA pulsed
- 2 high voltage current sinks
- Autonomous logarithmic up/down dimming
产品参数
# of Current Sinks (HV) | 2 |
---|---|
# of Current Sinks (LV) | 7 |
CP (max. l) [mA] | 900 |
DC-DC (max. l) [mA] | Controller |
Max. Vled [V] | Controller |
# of LDOs | 2 |
Auto ALS | |
DLS | |
RGB Pattern | Yes |
Dimming | Yes |
Auto-In | |
LED Test | Yes |
Flash Support | Yes |
Flash (max. l) [(mA] | 900 |
Package | QFN-32 (5x5)-0.5 |

综述
The AS3688 is a highly-integrated CMOS power and lighting management unit to supply power to LCD and camera modules in mobile phones. 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.

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 1.1.1 | English |
其他信息
类别 | 描述 | 语言 | ||
---|---|---|---|---|
Block Diagram | AS3688 Block Diagram | English |