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MC34671 - High Input Voltage 600mA Charger

Description

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

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 (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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 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 charge EP SUFFIX (PB-FREE) 98ASA10774D current.
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