Asset Publisher

AS3676 Lighting Management Unit

Flexible lighting management unit with charge pump, DC-DC, 13 current sinks, ALS, DLS, audio sync and LDO

Features

  • High-efficiency step-up DC-DC converter
  • High-efficiency high-power charge pump
  • 13 fully programmable current sinks
  • Dynamic luminance scaling (DLS) support
  • Ambient light sensor (ALS) input

Benefits

  • Programmble up to 26V/50mA for white LEDs
  • Low voltage and high voltage current sinks
  • Improved LCD backlight control by DLS
  • Internal hardware ALS processing

Product parameters

# of Current Sinks [HV] 3
- [LV] 10
CP [Max. I (mA)] 300
DC-DC [Max. I (mA)] Controller
Max. Vled [V] Controller
Features [LDOs (#)] 1
- [Auto ALS] Yes
- [DLS] Yes
- [RGB Pattern] Yes
- [Dimming] Yes
- [Auto-In] Yes
- [LED Test] Yes
Flash [Support] Yes
- [Max. I (mA)] 300
Package WL-CSP-30 (3x2.5)-0.5

General Description

The AS3676 is a highly-integrated CMOS power and lighting management unit for mobile phones. The AS3676 incorporates one DC-DC step-up converter for white backlight LEDs, one high-power charge pump, 13 current sinks, LED in-circuit function test, a charge pump serial interface, and control logic all onto a single device.

Not Recommended for New Designs
ams AG is discontinuing production of this device.

This product suits for the following applications:

  • Mobile phones
  • Portable DVD / TV player
  • Portable learning toys
  • Portable navigation devices
  • Portable medical consumer devices

Resources

Type Description Language
Software Eval SW 1v10 English
Software Setup English
Software Setup English
Software Eval SW 1v10 English

Technical Documents

Type Description Language
Datasheet Document version 1v1-4 English
Datasheet Document version 1v1-4 English
Application Note Selection Guide English
Application Note 9 LED series configuration English
Application Note Tablet applications English
Application Note Tablet applications English
Application Note 9 LED series configuration English
Application Note Selection Guide English
User Guide Demo board English
User Guide Demo board English

Notifications

Type Description Language

Other Information

Type Description Language
Block Diagram AS3676 Block Diagram English

Asset Publisher