Single-Cell Li-Ion/Li-Polymer Battery Travel Charger

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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 Specifications and information herein are available for historical reference only.

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Block Diagram

Freescale MC34674 Battery Management Block Diagram

NXP<sup>&#174;</sup> MC34674 Battery Management Block Diagram


  • No external MOSFET, reverse-blocking diode or current-sense resistor are required
  • 28 V maximum input voltage rating with 11 V over-voltage-protection threshold
  • Factory programmable charge current
  • Trickle charge for fully discharged batteries
  • ±0.4% voltage accuracy over -20 °C to 70 °C
  • Driving a dual-color LED and smart battery-connection verification optimized for travel charger applications
  • Interface to NTC thermistor
  • Internal timer and thermal current limit
  • Small 8-lead 2X3 mm thermally enhanced UDFN package


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