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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
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