Interface Circuit. LM2601 Datasheet

LM2601 Circuit. Datasheet pdf. Equivalent


Part LM2601
Description Adapter Interface Circuit
Feature OBSOLETE LM2601 www.ti.com SNVS079B – MAY 2004 – REVISED AUGUST 2011 LM2601 Adapter Interface Ci.
Manufacture etcTI
Datasheet
Download LM2601 Datasheet

LM2601 Adapter Interface Circuit April 2001 LM2601 Adapter LM2601 Datasheet
OBSOLETE LM2601 www.ti.com SNVS079B – MAY 2004 – REVISED LM2601 Datasheet
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LM2601
OBSOLETE
LM2601
www.ti.com
SNVS079B – MAY 2004 – REVISED AUGUST 2011
LM2601 Adapter Interface Circuit
Check for Samples: LM2601
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 Adapter Output Capacitance
• Allows for Battery Capacity Gas-Gauge
Calibration Under System Software/Firmware
Control
• Adapter Over Current Threshold
Programmable with External Resistors
• Wide Input Range: 5V - 24V
• Available in TSSOP Package
APPLICATIONS
• Portable Computers
• Portable IAs (Internet Appliances, Information
Appliances)
• Other Battery Powered Devices
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.
AIC isolates the adapter and signals the computer
when peak current threshold is exceeded.
LM2601 drives P-channel FETs. No high current
rated Schottky diode is required to implement an
adapter switchover circuit. This significantly
decreases additional heat dissipation during
simultaneous fast battery charging while running a
computer, particularly in Maximum Performance
mode of operation
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004–2011, Texas Instruments Incorporated



LM2601
LM2601
SNVS079B – MAY 2004 – REVISED AUGUST 2011
Block Diagram
OBSOLETE
www.ti.com
Pin Configuration
Figure 1. 14 Pin TSSOP
See Package Number PW
2 Submit Documentation Feedback
Product Folder Links: LM2601
Copyright © 2004–2011, Texas Instruments Incorporated





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