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ISL9201 - Li-ion Battery Charger

General Description

VIN (Pin 1) VIN is the input power source.

Connect to a wall adapter.

GND (Pin 2) GND is the connection to system ground.

Key Features

  • Complete Charger for Single-Cell Li-ion/Polymer Batteries.
  • Integrated Pass Element and Current Sensor.
  • No External Blocking Diode Required.
  • Low Component Count and Cost.
  • 25mV Voltage Accuracy Over-Temperature and Input Voltage Range.
  • 20mV Voltage Accuracy at Room Temperature.
  • Programmable Charge Current.
  • Charge Current Thermal Foldback for Thermal Protection (ThermaguardTM).
  • Trickle Charge for Fully Discharged Batt.

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Datasheet Details

Part number ISL9201
Manufacturer Renesas
File Size 451.70 KB
Description Li-ion Battery Charger
Datasheet download datasheet ISL9201 Datasheet

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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.

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ISL9201 Li-ion Battery Charger NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc DATASHEET FN6429 Rev 1.00 February 22, 2007 The ISL9201 is an integrated single-cell Li-ion or Li-polymer charger capable of operating at an input voltage as low as 2.5V. The low operating voltage allows the charger to work with a variety of AC adapters. The ISL9201 operates as a linear charger when the AC adapter is a voltage source. The battery is charged in a standard Li-ion charge profile, i.e. a constant current phase followed be a constant voltage phase (CC/CV). The charge current during the constant current phase is determined by the external resistor connected to the IREF pin.