Microchip Technology MCP73xx Charge Management Controllers enhance the safety and efficiency of battery-powered applications by providing overvoltage protection, high-accuracy voltage regulation, and an integrated pass transistor. The Microchip Technology MCP73xx family provides specific charge algorithms for Li-Ion/Li-Polymer and LiFePO4 batteries to achieve optimal capacity and safety in the shortest charging time possible. These Microchip Technology Charge Management Controllers have a maximum input voltage of 18V and come with an OVP set point of 5.8V and 6.5V for the single-cell MCP73113 and MCP7314 and an OVP set point of 13V for the dual-cell MCP73213 and MCP73123. These devices also offer a variety of charging-voltage options for both Li-Ion and LiFePO4 batteries.
Features
Complete Linear Charge Management Controller:
Integrated Input Overvoltage Protection
Integrated Pass Transistor
Integrated Current Sense
Integrated Reverse Discharge Protection
Constant Current / Constant Voltage Operation with Thermal Regulation
4.15V Undervoltage Lockout (UVLO)
18V Absolute Maximum Input with OVP
High Accuracy Preset Voltage Regulation
Battery Charge Voltage Options:3.6, 4.10V, 4.20V, 4.35V, 4.4V, 7.2V
Resistor Programmable Fast Charge Current: 130mA to 1100mA
Preconditioning of Deeply Depleted Cells Available Options: 10% or Disable
Integrated Precondition Timer: 32 Minutes or Disable
Automatic End-of-Charge Control
Selectable Minimum Current Ratio: 5%, 7.5%, 10% or 20%
Elapse Safety Timer: 4 HR, 6 HR, 8 HR or Disable
Automatic Recharge Options: 95% or Disable
Factory Preset Charge Status Output: On/Off or Flashing
