LM2601 Adapter Interface Circuit Adapter Interface Circuit (AIC)
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LM2601 Adapter Interface Circuit
LM2601 Adapter Interface Circuit
Adapter Interface Circuit (AIC) used sense presence external power source portable computer. notifies computer source present indicates source appropriate charging battery packs inside computer. also senses current thresholds signals computer when these thresholds exceeded.
Features
Wide input range: leakage current: typical Available TSSOP-14 package
Block Diagram
DS101309-1
Connection Diagram
TSSOP-14
DS101309-2
2000 National Semiconductor Corporation
DS101309
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LM2601
Ordering Information
Order Number LM2601MTC LM2601MTCX Package Number MTC14 MTC14 Package Type TSSOP-14 TSSOP-14 Supplied Rail Units/Rail) Tape Reel (2500 Units/Reel)
Partial Rails available, there minimum order quantity. Tape Reel supplied full reels only.
Description
Name DELAY MASTER POWER SOURCE ADAPTER ENABLE ADAPTER PRESENT CHARGER PRESENT DISCONNECT BACKFEED DIRECTION SENSE PEAK SENSE VADAPTER Function capacitor between this ground sets delay risetime. Bi-directional logic pin. driven high external source, indicates external source driving power buss. driven high AIC, indicates adapter powering buss. Logic input pin. Grants permission adapter drive both power buss signal. Logic output pin. High when volts VADAPTER volts. Logic output pin. High when VADAPTER volts. ground pin. Drives gate disconnect FET. Drives gate backfeed FET. Connection current sense resistor control BACKFEED. Connection current sense resistor control DISCONNECT. Power input pin. Output adapter, auto adapter airline adapter.
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LM2601
Absolute Maximum Ratings (Note
Military/Aerospace specified devices required, please contact National Semiconductor Sales Office/ Distributors availability specifications. Supply Voltage (VADAPTER) Storage Temperature Ratings Human Body Model (Note Machine Model (Note -40°C 125°C 200V
Operating Ratings (Note
Supply Voltage (VADAPTER) Ambient Temp. Range Junction Temp. Range -20°C 70°C -20°C 85°C
Electrical Characteristics
Limits with standard typeface apply 25°C, limits boldface type apply over full temperature range. Symbol VAP,CP VMPSI VMPSO VADAPTER Parameter Logic Input Voltage Adapter Enable Logic Output Voltage Adapter present, Charger present Logic Input Voltage Master Power Source Logic Output Voltage Master Power Source Vadapter Voltage Adapter Present High Transition Hysteresis VADAPTER Vadapter Voltage Charger Present High Transition Hysteresis VBACKFEED VDISCONNECT Current Sense Differential Voltage Threshold Driving Backfeed Current Sense Differential Voltage Threshold Driving Disconnect Rise/Fall Time Drive Quiescent Current Leakage Current into Backfeed Disconnect Vadapter Direction sense, VADAPTER Vadapter Peak sense, VADAPTER CLoad 3000pF VADAPTER VADAPTER Backfeed/Disconnect High High Low, ISINK High High Conditions 11.7 16.5 0.08 4.75 0.05 12.0 17.0 0.10 12.3 17.4 0.12 0.25 Units
tDRIVE
Note Absolute Maximum Ratings indicate limits beyond which damage device occur. Operating Ratings indicate conditions which device intended functional, guarantee specific performance limits. guaranteed specifications test conditions, Electrical Characteristics. Note human body model 100pF capacitor discharged through 1.5k resistor into each pin. Note machine model 200pF capacitor discharged directly into each pin. pins rated 200V except pins which rated 100V.
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LM2601
Typical Application
DS101309-3
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LM2601 Adapter Interface Circuit
Physical Dimensions
inches (millimeters) unless otherwise noted
TSSOP-14 Package 14-Lead Thin Shrink Small-Outline Package Ordering, Refer Ordering Information Table Package Number MTC14
LIFE SUPPORT POLICY NATIONAL'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT GENERAL COUNSEL NATIONAL SEMICONDUCTOR CORPORATION. used herein: Life support devices systems devices systems which, intended surgical implant into body, support sustain life, whose failure perform when properly used accordance with instructions provided labeling, reasonably expected result significant injury user.
National Semiconductor Corporation Americas Tel: 1-800-272-9959 Fax: 1-800-737-7018 Email: support@nsc.com www.national.com National Semiconductor Europe Fax: 180-530 Email: europe.support@nsc.com Deutsch Tel: 9508 6208 English Tel: 2171 Tel: 8790
critical component component life support device system whose failure perform reasonably expected cause failure life support device system, affect safety effectiveness.
National Semiconductor Asia Pacific Customer Response Group Tel: 65-2544466 Fax: 65-2504466 Email: ap.support@nsc.com
National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507
National does assume responsibility circuitry described, circuit patent licenses implied National reserves right time without notice change said circuitry specifications.
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