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ISL6252 Datasheet Highly Integrated Battery Charger Controller

Manufacturer: Intersil (now Renesas)

Overview

® ISL6252, ISL6252A Data Sheet August 25, 2010 FN6498.3 Highly Integrated Battery Charger Controller for Notebook Computers The ISL6252, ISL6252A is a highly integrated battery charger controller for Li-ion/Li-ion polymer batteries.

High Efficiency is achieved by a synchronous buck topology.

The low side MOSFET emulates a diode at light loads to improve the light load efficiency and prevent system bus boosting.

Key Features

  • ±0.5% Charge Voltage Accuracy (-10°C to +100°C).
  • ±3% Accurate Input Current Limit.
  • ±3% Accurate Battery Charge Current Limit.
  • ±25% Accurate Battery Trickle Charge Current Limit.
  • Programmable Charge Current Limit, Adapter Current Limit and Charge Voltage.
  • Fixed 300kHz PWM Synchronous Buck Controller with Diode Emulation at Light Load.
  • Overvoltage Protection.
  • Output for Current Drawn from AC Adapter.
  • AC Adapter Prese.