BC3770, FRDM Battery Charger Expansion Board without KL25Z

FRDM-BC3770-EVB
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  • This page contains information on a product that is no longer manufactured (discontinued). Specifications and information herein are available for historical reference only.

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The FRDM expansion board FRDM-BC3770-EVB is a fully programmable switching charger with dual-path output for single-cell Li-Ion and Li-Polymer battery that works with a FRDM-KL25Z (sold separately).

The dual-path output allows mobile applications with fully discharged battery or dead battery to boot up the system. High efficiency and switch-mode operation of the BC3770 reduces heat dissipation and allow for higher current capability for a given package size. The BC3770 features single input with a 20 V max input and charges the battery with the current up to 2 A. The charging parameters and operating modes are fully programmable over an I²C Interface that operates up to 400 kHz.

Processor Expert® software for BC3770 Battery Charger including example projects

Product Details

Features

General Specifications

  • A BC3770 highly integrated synchronous switch-mode chargers, featuring integrated OVP and Power FETs
  • Operate as a boost regulator for USB-OTG function via either I2C command or an external pin from the host/processor.
  • The BC3770 is a fully programmable switching charger with dual-path output for single-cell Li-Ion and Li-Polymer battery. This dual-path output allows mobile applications with fully discharged battery or dead battery to boot up the system.

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Compact List

Data Sheet (1)
User Guide (3)

Design Resources

Design Files

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Software

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2 software files

Note: For better experience, software downloads are recommended on desktop.

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