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MC34671 - High Input Voltage 600mA Charger

General Description

of each pin can be found in the Functional Pin Description section beginning on page 11.

Key Features

  • No external MOSFET, reverse-blocking diode or current-sense resistor are required.
  • Guaranteed maximum 600mA programmable CC-mode current.
  • ±0.7% voltage accuracy over -20°C to 70°C.
  • ±5% current accuracy over -40°C to 85°C.
  • 28V maximum voltage for the power input with 11V over-voltage protection threshold.
  • 2.6V minimum input operating voltage.
  • Trickle charge for fully discharged batteries.
  • Charge current monitor.
  • Cha.

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Full PDF Text Transcription for MC34671 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for MC34671. For precise diagrams, and layout, please refer to the original PDF.

www.DataSheet4U.com Freescale Semiconductor Advance Information Document Number: MC34671 Rev. 1.0, 01/2008 High Input Voltage 600mA Charger for Single-cell Li-Ion Batteri...

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1/2008 High Input Voltage 600mA Charger for Single-cell Li-Ion Batteries 34671 The MC34671 is a cost-effective fully-integrated battery charger for POWER MANAGEMENT IC Li-Ion or Li-Polymer batteries. The high input voltage, up to 28V, eliminates the input over-voltage-protection circuit required in handheld devices such as cell phones, Bluetooth accessories and MP3 players. A typical charge cycle includes trickle, constant-current (CC) and constant-voltage (CV) charge modes. The CC-mode current is programmable up to 600mA with an external resistor. The voltage across the external resistor is also used to monitor the actual

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