MCP73871
Stand-Alone System Load Sharing and Li-Ion/Li-Polymer Battery Charge
Management Controller
Features Applications 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
-В±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) Charge Status and Fault Condition Indicators Numerous Selectable Options Available for a
Variety of Applications: …