Microchip | MCP73871-2CCI/ML

The MCP73871-2CCI/ML is a fully integrated stand-alone system load sharing and Li-Ion / Li-Polymer battery charge management controller. It is also capable of autonomous power source selection between input or battery.

Features:

• Integrated System Load Sharing and Battery Charge Management
• Simultaneously Power the System and Charge the Li-Ion Battery
• Voltage Proportional Current Control (VPCC) ensures system load has priority over Li-Ion battery charge current
• Low-Loss Power-Path Management with Ideal Diode Operation
• Complete Linear Charge Management Controller
• Integrated Pass Transistors
• Integrated Current Sense
• Integrated Reverse Discharge Protection
• Selectable Input Power Sources: USB Port or AC-DC Wall Adapter
• Preset High Accuracy Charge Voltage Options:
• 4.10V, 4.20V, 4.35V or 4.40V
• ±0.5% Regulation Tolerance
• Constant Current / Constant Voltage (CC/CV) Operation with Thermal Regulation
• Maximum 1.8A Total Input Current Control
• Resistor Programmable Fast Charge Current Control: 50 mA to 1A
• Resistor Programmable Termination Set Point
• Selectable USB Input Current Control
• Absolute Maximum: 100 mA (L) / 500 mA (H)
• Automatic Recharge
• Automatic End-of-Charge Control
• Safety Timer With Timer Enable/Disable Control
• 0.1C Preconditioning for Deeply Depleted Cells
• Battery Cell Temperature Monitor
• Undervoltage Lockout (UVLO)
• Low Battery Status Indicator (LBO)
• Power-Good Status Indicator (PG)

Applications:

• GPSs / Navigators
• PDAs and Smart Phones
• Portable Media Players and MP3 Players
• Digital Cameras
• Bluetooth Headsets
• Portable Medical Devices
• Charge Cradles / Docking Stations
• Toys