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LM2601 - Adapter Interface Circuit

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General Description

The Adapter Interface Circuit (AIC) is used to sense the presence of an external power source for a portable computer.

It notifies the computer if a source is present and indicates if the source is appropriate for charging battery packs inside the computer.

The AIC also senses an adapter current and its direction.

Overview

OBSOLETE LM2601 www.ti.com SNVS079B – MAY 2004 – REVISED AUGUST 2011 LM2601 Adapter Interface Circuit Check for Samples:.

Key Features

  • 1.
  • 2 Detects an AC-DC Adapter Suitable for Battery Charging or an Airplane or Car Power Line Adapter that Should Not be Used for Battery Charging.
  • Allows the Implementation of Intelligent Switchover Circuits for Portable Systems.
  • LM2601 Shuts Down Automatically When Adapter is Removed.
  • Low Leakage Current from Battery When Not Powered.
  • Drives P-Channel FETs, No Schottky Diodes are Required.
  • No Reverse Inrush Current from Battery Into the Adapt.

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