LTC3567 - High Efficiency USB Power Manager Plus 1A Buck-Boost Converter with I2C Control

Features
  • High Efficiency Switching PowerPath Controller with Bat-Track Adaptive Output Control
  • Programmable USB or Wall Current Limit (100mA/500mA/1A)
  • Full Featured Li-Ion/Polymer Battery Charger
  • “Instant-On” Operation with a Discharged Battery
  • 1.5A Maximum Charge Current
  • Internal 180mΩ Ideal Diode Plus External Ideal Diode Controller Powers Load in Battery Mode
  • Low No-Load IQ When Powered from BAT (<30μA)
  • High Efficiency (1A IOUT )
  • 2.25MHz Constant Frequency Operation
  • Low No-Load Quiescent Current (~13μA)
  • Zero Shutdown Current
  • I2C Control of All Functions
Typical Application

Applications
  • HDD Based MP3 Players, PDA, GPS, PMP Products
  • Other USB Based Handheld Products
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC3567EUF#PBF4x4 QFN-24E$5.50$3.85
LTC3567EUF#TRPBF4x4 QFN-24E$3.91
Demo Boards
Part NumberDescriptionPrice
DC1140ALTC3567EUF | High Efficiency USB Power Manager Plus 1A Buck-Boost Converter and I2C$125.00
Companion Boards
Part NumberDescriptionPrice
DC590BIsolated USB Serial Controller for Linear Technology QuikEval-Compatible Demo Boards$50.00
Datasheet
Reliability Data
LT Journal
Press Release
Related Product
LTC3567 - High Efficiency USB Power Manager Plus 1A Buck-Boost Converter with I2C Control
R540 - Reliability Data
September 2008 - New Family of Integrated Power Controllers Combine Fast Battery Charging, PowerPath Control and Efficient DC/DC Converters in Less Than 20mm2
LTC3567 - 集成 1A 降压-升压型稳压器和 I2C 接口的开关模式USB 电源管理器最大限度延长电池工作时间并减少热量
LTC3567 Footprints and Symbols