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An effective battery charger maximizes battery capacity, extends battery life and monitors the charging process. We offer a large selection of battery management solutions supporting a variety of battery chemistries to solve your portable power conversion challenges. Our battery charge management controllers are reliable, low-cost and high-accuracy voltage regulation solutions that require few external components to reduce design size, cost and complexity.

Featured Products


MCP73837

Highly integrated full-featured linear Li-ion battery charger with both USB and AC adapter inputs.:

  • USB or AC-adapter dual input full-featured Li-ion charger
  • Automatic Power Source Selection
  • Programmable charge current up to 1 A from AC-adapter
  • Integrated USB control with selectable 100mA and 500mA charge rates
  • Automatic charge control with selectable current threshold and safety timer

MCP73831

Serving as a workhorse for a wide variety of charging applications, this device offers these key benefits:

  • Multiple voltage regulation options
  • Adheres to all USB power bus specifications
  • Programmable charge current, selectable preconditioning and end-of-charge control

MCP73871

This device offers powerful integrated battery management with these key benefits:

  • Integrated system load sharing and battery charge management
  • Constant current and constant voltage operation
  • Wide variety of selectable and programmable options

MCP73830

A tiny option to save space in portable electronic applications, this device offers these key benefits:

  • 2 × 2 TDFN package
  • Programmable charge current up to 1000 mA
  • Soft start to avoid inrush current

Documentation


Application Notes


Title
AN971 - USB Port-Powered Li-Ion/Li-Polymer Battery Charging Download
AN216 - DC/DC Converter Controller Using a PICmicro Microcontroller Download
AN1156 - Battery Fuel Measurement Using Delta-Sigma ADC Devices Download
AN1260 - Li-Ion/Li-Poly Battery Charge and System Load Sharing Management Design Guide With MCP73871 Download

Battery Charger ICs


Title
Portable Power Conversion Design Guide Download

Battery Charger ICs


Title
MCP1631HV Multi-Chemistry Battery Charger Reference Design Download
MCP1631 Multi-Chemistry Battery Charger Reference Design Download
MCP1630V Bidirectional 4 Cell Li-Ion Charger Ref Design User's Guide Download
MCP1630 Low-Cost NiMH Battery Charger Reference Design User's Guide Download
MCP1630 Low-Cost Li-Ion Battery Charger User's Guide Download
MCP1630 Li-Ion Multi-Bay Battery Charger Reference Design User's Guide Download

Battery Management Products


Simplify and Speed Up Your Development With These Resources


MPLAB® Analog Designer

Provides design suggestions for common circuit needs, estimates performance for common modifications, and can export to MPLAB® Mindi™ Analog Simulator for verification.

MPLAB® Mindi™ Analog Simulator

Uses a SIMetrix/SIMPLIS environment to model circuit behavior, reducing design time with software debugging for initial design verification.

Power Check Design Service

Provides advice on your exact physical circuit layout, sharing best practices from an experienced power supply designer, so that physical hardware will match simulations.