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Demonstration Board, MCP73871 Fully Integrated Linear IC, Voltage Proportional Current Control


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MCP73871DM-VPCC   Datasheet
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Product Overview

MCP73871DM-VPCC is an MCP73871 based Demo Board with Voltage Proportional Current Control designed to demonstrate stand alone linear Li ion battery charger with system power path and load sharing management control solution. The MCP73871 integrates the required elements to meet design challenges when developing new Li ion / Li Polymer batteries powered products. The MCP73871 Demo Board with Voltage Proportional Current Control is designed to deliver minimum 1.5A total current to system load and to a single cell Li ion battery at 4.2V preset voltage regulation. The board has a dip switch helping to decides the input power source between AC to DC wall adapter and USB port (AC/USB) and control input current limits, enable charge timer and enable charging. The demo board comes with a factory preset low battery indicator (LBO) when input is absent. The preset value is 3.2V and STAT1 LED (green) with turn ON if the battery voltage is below the threshold voltage.
  • Integrated system load sharing
  • Input current limit control hardware selected
  • Three LEDs to indicate charge status, low battery and power good signal
  • Temperature monitoring (is disabled by default)
  • Factory preset 0.1C preconditioning current of deeply depleted cells
  • Factory preset safety timer with timer enable feature
  • Constant Current/Constant Voltage (CC/CV) charge algorithm
  • Automatic charge termination
  • Automatic recharge
  • Internal thermal regulation


Power Management, Consumer Electronics, Portable Devices, Medical


90 Day Warranty only. After Expiration of Warranty returns must be processed via Microchip.

Product Information

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Power Management - Battery

Battery Charger


Demonstration Board MCP73871


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Technical Documents (4)

CAD Downloads


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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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