Part LTC4085-1
Description USB Power Manager
Manufacturer Linear Technology
Size 282.00 KB
Linear Technology

LTC4085-1 Overview

Key Features

  • Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and 5V Wall Adapter
  • Load Dependent Charging Guarantees Accurate USB Input Current Compliance
  • 4.1V Float Voltage Improves Battery Life Span and High Temperature Safety Margin
  • Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charging Rate Without Risk of Overheating*
  • Selectable 100% or 20% Input Current Limit (e.g., 500mA/100mA)
  • Battery Charge Current Independently Programmable Up to 1.2A
  • Preset 4.1V Charge Voltage with 0.8% Accuracy
  • C/10 Charge Current Detection Output
  • Tiny (4mm × 3mm × 0.75mm) 14-Lead DFN Package U APPLICATIO S