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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.


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/L

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

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.

Documentation

Application Notes


Title Download
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
AN1088 - Selecting the Right Battery System for Cost-Sensitive Portable Applications While Maintaining Excellent Quality Download
AN1260 - Li-Ion/Li-Poly Battery Charge and System Load Sharing Management Design Guide With MCP73871 Download

Battery Charger ICs


Title Download
Portable Power Conversion Design Guide Download

Battery Charger ICs


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

Battery Management Products


View All Parametrics
Product Status Automotive Recommended 5K Pricing Linear Mode No of Li-Ion Cells Vcc Range (V) Typical Reverse Leakage Current (µA) Temp. Range Voltage Regulation Accuracy (%) Integrated FET Temperature Monitor Charge Safety Timers Max. Thermal Regulation Iout Max (mA) Operating Current Typ (mA) Precondition Charge Reverse Discharge Current Typ (uA) Shut Down Mode Status Output Supply Current Typ (mA) Supply Present Technology UVLO Voltage Regulation Typical (V) Packages
MCP73826 In Production Call for pricing Yes 1 4.5 - 5.5 1 -20 - 85 1 Ext No No No 0.26 Yes 8 Yes No 1 No Linear 4.1, 4.2 Please call for package information
MCP73827 In Production $0.75 Yes 1 4.5 - 5.5 1 -20 - 85 1 Ext No No No 0.25 Yes 8 Yes Yes 1 No Linear 4.1, 4.2 8/MSOP
MCP73828 In Production $0.75 Yes 1 4.5 - 5.5 1 -20 - 85 1 Ext Yes No No 0.265 Yes 10 Yes Yes 1 No Linear 4.1, 4.2 8/MSOP
MCP73841 In Production $0.93 Yes 1 4.5 - 12 0.5 -40 - 85 0.5 Ext Yes Yes No 0.75 Yes 0.4 Yes Yes 0.5 No Linear 4.45 4.1, 4.2 10/MSOP
MCP73843 In Production $0.89 Yes 1 4.5 - 12 0.5 -40 - 85 0.5 Ext No Yes No 0.75 Yes 0.4 Yes Yes 0.5 No Linear 4.45 4.1, 4.2 8/MSOP
MCP73853 In Production $1.29 Yes 1 4.5 - 5.5 0.5 -40 - 85 0.5 Int Yes Yes Yes 400 0.83 Yes 0.24 Yes Yes 0.5 No Linear 4.45 4.1, 4.2 16/QFN
MCP73855 In Production $1.19 Yes 1 4.5 - 5.5 0.5 -40 - 85 0.5 Int No Yes Yes 400 0.83 Yes 0.24 Yes Yes 0.5 No Linear 4.45 4.1, 4.2 10/DFN
MCP73830 In Production $0.64 Yes 1 3.75 - 6 0.5 -40 - +85 0.75 Int No Yes Yes 1000 0.5 Yes 10 Yes Yes 0.5 Yes Linear 3.45 4.2 6/TDFN
MCP73831 In Production No $0.40 Yes 1 3.75 - 6 0.75 -40 - 85 0.75 Int No No Yes 500 0.51 Yes 0.15 Yes Yes 0.75 No Linear 3.45 4.2, 4.35, 4.4, 4.5 5/SOT-23, 8/DFN
MCP73832 In Production No $0.40 Yes 1 3.75 - 6.0 0.75 -40 - 85 0.75 Int No No Yes 500 0.51 Yes 0.15 Yes Yes 0.75 No Linear 3.45 4.2, 4.35, 4.4, 4.5 5/SOT-23, 8/DFN
MCP73833 In Production No $0.62 Yes 1 3.75 - 6.0 0.75 -40 - 85 0.75 Int Yes Yes Yes 1200 2 Yes 0.2 Yes Yes 0.75 Yes Linear 3.5 4.2, 4.35, 4.4, 4.5 10/DFN, 10/MSOP
MCP73834 In Production No $0.62 Yes 1 3.75 - 6.0 0.75 -40 - 85 0.75 Int Yes Yes Yes 1200 2 Yes 0.2 Yes Yes 0.75 No Linear 3.5 4.2, 4.35, 4.4, 4.5 10/DFN, 10/MSOP
MCP73811 In Production No $0.37 Yes 1 3.75 - 6 1 -40 - 85 1 Int No No Yes 495 1 No 0.5 Yes No 1 No Linear 4.2 5/SOT-23
MCP73812 In Production No $0.39 Yes 1 3.75 - 6 1 -40 - 85 1 Int No No Yes 550 1 No 0.5 Yes No 1 No Linear 4.2 5/SOT-23
MCP73838 In Production No $0.81 Yes 1 3.75 - 6.0 0.5 -40 - 85 0.5 Int Yes Yes Yes 1200 1.9 Yes 0.1 Yes Yes 0.5 No Linear 3.5 4.2, 4.35, 4.4, 4.5 10/DFN, 10/MSOP
MCP73837 In Production No $0.81 Yes 1 3.75 - 6.0 0.5 -40 - 85 0.5 Int Yes Yes Yes 1200 1.9 Yes 0.1 Yes Yes 0.5 Yes Linear 3.5 4.2, 4.35, 4.4, 4.5 10/DFN, 10/MSOP
MCP73871 In Production No $1.29 Yes 1 4.4 - 6 0.75 -40 - 85 0.5 Int Yes Yes Yes 1800 2.5 Yes 0.03 Yes Yes 0.75 Yes Linear 4.35 4.1, 4.2, 4.35, 4.4 20/QFN
MCP73113 In Production No $0.81 Yes 1 4 - 16 0.7 -40 - +85 0.5 Int No Yes Yes 1100 0.7 Yes 0.5 Yes Yes 0.7 No Linear 4.15 4.1, 4.2, 4.35, 4.4 10/DFN
MCP73114 In Production No $0.81 Yes 1 4 - 16 0.7 -40 - 85 0.5 Int No Yes Yes 1100 0.7 Yes 0.0005 Yes Yes 0.7 No Linear 4.15 4.1, 4.2, 4.35, 4.4 10/DFN
MCP73123 In Production No $0.81 Yes 1 4 - 16 0.7 -40 - 85 0.5 Int No Yes Yes 1100 0.7 Yes 0.5 Yes Yes 0.7 No Linear 4.15 3.6 10/DFN
MCP73830L In Production No $0.62 Yes 1 3.75 - 6 0.5 -40 - +85 0.75 Int No Yes Yes 200 0.5 Yes 10 Yes Yes 0.5 Yes Linear 3.45 4.2 6/TDFN
MIC79050 In Production No $1.71 Yes 1 2.5 - 16 500 -40 - 125 0.75 Yes No No 750 85 µA @ Iout = 100 µA; 11 mA @ Iout = 500 mA; No 10 Yes No 500 Linear 0 4.2V 3/SOT-223, 8/MSOP, 8/SOIC
MIC79110 In Production No $1.98 Yes 1 2.5 - 16 1200 -40 - 125 0.75 Yes No No 1200 2 mA @ Iout = 10 mA;24 mA @ Iout = 700 mA No 6 Yes Yes 1200 Linear 0 4.2V, Adj. 10/VDFN
MCP73842 In Production $0.99 Yes 2 8.7 - 12 0.5 -40 - 85 0.5 Ext Yes Yes No 0.75 Yes 0.4 Yes Yes 0.5 No Linear 8.65 8.2, 8.4 10/MSOP
MCP73844 In Production $0.94 Yes 2 8.7 - 12 0.5 -40 - 85 0.5 Ext No Yes No 0.75 Yes 0.4 Yes Yes 0.5 No Linear 8.65 8.2, 8.4 8/MSOP
MCP73223 In Production No $1.29 Yes 2 4 - 16 0.7 -40 - 85 0.6 Int No Yes Yes 1100 0.7 Yes 0.5 Yes Yes 0.7 No Linear 4.15 7.2 10/DFN
MCP73213 In Production No $1.29 Yes 2 4 - 16 0.7 -40 - 85 0.6 Int No Yes Yes 1100 0.7 Yes 0.0005 Yes Yes 0.7 No Linear 4.15 8.2, 8.4, 8.7, 8.8 10/DFN
PS200 Mature Product No Call for pricing No 999 2 - 5 0.1 -40 - 85 Ext Yes Yes No 0.1 Please call for package information