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Evaluation Board, MCP73871 Stand Alone Linear Li-Ion Battery Charger, System Power Path


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MCP73871EV   Datasheet
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Product Overview

The MCP73871EV is designed to demonstrate stand alone linear Li ion battery charger with system power path and load sharing management control solution. The highly integrated MCP73871 device has overcome the hurdles by including the required elements to meet the design challenges when developing new Li ion / Li Polymer battery powered products. The MCP73871 requires minimum external components to power the system load and charge single cell Li ion batteries independently. When input power is absent or insufficient, the Li ion battery becomes the primary power source or in help mode to support the required system load current. The board is developed to assist product designers in reducing product design cycle and time by utilizing favourite stand alone Li ion battery charger and system load sharing management controller.
  • Integrated system load sharing
  • Three LED indicators for charge status, low battery and power good signal
  • Input current limit control with dip switches between ac to dc adapter USB high, and USB low
  • Automatic charge termination
  • Automatic recharge
  • Internal thermal regulation
  • Temperature monitoring is disabled by default, but can be enabled to use with NTC thermistor
  • Exposed Pad with extra via underneath for better heat dissipations


Consumer Electronics, Power Management, Portable Devices, Medical, Multimedia


Evaluation Board, CD ROM


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


Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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Power Management - Battery

Battery Charger


Board, CD, User Guide


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Technical Documents (3)

CAD Downloads


Terms and Conditions

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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