600 mA Single-Cell Li-Ion / Li-Polymer Battery Charger

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Block Diagram

Freescale MC34671 Battery Management Block Diagram

NXP<sup>&#174;</sup> MC34671 Battery Management Block Diagram

Features

System Features

  • No external MOSFET, reverse-blocking diode, or current-sense resistor are required
  • Guaranteed maximum 600 mA programmable charge current
  • ±0.7% voltage accuracy over -20 °C to 70 °C
  • ±5% current accuracy over -40 °C to 85 °C
  • 28 V maximum voltage for the power input with 11 V over-voltage protection threshold
  • 2.6 V minimum input operating voltage
  • Trickle charge for fully discharged batteries
  • Charge current monitor
  • Charge current thermal foldback
  • Single battery cell
  • Li-Ion and Li-Polymer battery chargers
  • Parallel interface and input control
  • Output current 0.6 A
  • Output voltage 4.2 V

Documentation

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Hardware

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