BQ29410DCTR资料

bq29410,bq29411,bq29412bq29413,bq29414,bq29415

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VOLTAGEPROTECTIONFOR2-,3-,OR4-CELLLi-IonBATTERIES

(2nd-LEVELPROTECTION)

FEATURES

•••

2-,3-,or4-CellSecondaryProtectionLowPowerConsumptionICC<2µA[VCELL(ALL)FixedHighAccuracyOvervoltageProtectionThreshold

–bq29410=4.35V–bq29411=4.40V–bq29412=4.45V–bq29413=4.50V–bq29414=4.55V–bq29415=4.60V

ProgrammableDelayTimeofDetectionHighPowerSupplyRippleRejectionStableDuringPulseChargeOperation2nd-LevelOvervoltageProtectioninLi-IonBatteryPacksin:

–NotebookComputers–PortableInstrumentation–PortableEquipment

FUNCTION

Eachcellinamultiple-cellpackiscomparedtoaninternalreferencevoltage.Ifonecellreachesanovervoltagecondition,theprotectionsequencebegins.Thebq2941xdevicestartscharginganexternalcapacitorthroughtheCDpin.WhentheCDpinvoltagereaches1.2V,theOUTpinchangesfromalowleveltoahighlevel.

DCT󰀀PACKAGE(TOP󰀀VIEW)

OUTVDDCDVC4

1234

8765

VC1VC2VC3GND

•••

APPLICATIONS

•

VC1VC2VC3GND

1234PW󰀀PACKAGE(TOP󰀀VIEW)

8765OUTVDDCDVC4

DESCRIPTION

Thebq2941xisasecondaryovervoltageprotectionICfor2-,3-,or4-celllithium-ionbatterypacksthatincorporatesahigh-accuracyprecisionovervoltagedetectioncircuit.Itincludesaprogrammabledelaycircuitforovervoltagedetectiontime.

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

UNLESSOTHERWISENOTEDthisdocumentcontainsPRODUCTIONDATAinformationcurrentasofpublicationdate.ProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyincludetestingofallparameters.

Copyright©2005–2006,TexasInstrumentsIncorporated

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Thesedeviceshavelimitedbuilt-inESDprotection.TheleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.

ORDERINGINFORMATION(1)

TA

V(PROTECT)(2)

PACKAGE(3)

MSOP(DCT)bq29410DCT3R

4.35V

bq29410DCTRbq29410DCTTbq29411DCT3R

4.40V

bq29411DCTRbq29411DCTTbq29412DCT3R

–40°Cto110°C

4.45V

bq29412DCTRbq29412DCTT

4.50V4.55V4.60V

(1)(2)(3)(4)

bq29413DCTRbq29413DCTTbq29414DCTR(4)bq29414DCTT(4)bq29415DCTR(4)bq29415DCTT(4)

CJkCJLCJM

bq29413PWbq29414PW(4)bq29415PW(4)

bq29413PWRbq29414PWR(4)bq29415PWR(4)

CJJ

bq29412PWbq29412PWG4

bq29412PWRbq29412PWRG4

CJH

bq29411PWbq29411PWG4

bq29411PWRbq29411PWRG4

CJG

bq29410PWbq29410PWG4

bq29410PWRbq29410PWRG4

SYMBOL

SSOP(PW)

Forthemostcurrentpackageandorderinginformation,seethePackageOptionAddendumattheendofthisdocument,orseetheTIWebsiteatwww.ti.com.

ContactyourlocalTexasInstrumentsrepresentativeorsalesofficeforalternativeovervoltagethresholdoptions.The\"R\"suffixindicatestape-and-reelpackaging.ProductPreview

ABSOLUTEMAXIMUMRATINGS

overoperatingfree-airtemperaturerangeunlessotherwisenoted(1)(2)

UNIT

SupplyvoltagerangeInputvoltagerangeOutputvoltagerange

VDD

VC1,VC2,VC3,VC4

VC1TOVC2,VC2TOVC3,VC3TOVC4,VC4TOGNDOUTCD

–0.3Vto28V–0.3Vto28V–0.3Vto8V–0.3Vto28V–0.3Vto28V

SeeDissipationRatingTable

–65°Cto150°C

300°C

ContinuoustotalpowerdissipationStoragetemperaturerange,TstgLeadtemperature(soldering,10s)(1)(2)

Stressesbeyondthoselistedunder\"absolutemaximumratings\"maycausepermanentdamagetothedevice.Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder\"recommendedoperatingconditions\"isnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.

AllvoltagesarewithrespecttogroundofthisdeviceexceptthedifferentialvoltageofVC1-VC2,VC2-VC3,VC3-VC4,andVC4-GND.

PACKAGEDISSIPATIONRATINGS

PACKAGEDCTPW

TA=25°CPOWERRATING

412mW525mW

DERATINGFACTORABOVETA=25°C

3.3mW/°C4.2mW/°C

TA=70°CPOWERRATING

2mW336mW

TA=85°CPOWERRATING

214mW273mW

2

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RECOMMENDEDOPERATINGCONDITIONS

MIN

VDDVItd(CD)RINCINRVDCVDTA

SupplyvoltageInputvoltagerangeDelaytimecapacitanceVoltage-monitorfilterresistanceVoltage-monitorfiltercapacitanceSupply-voltagefilterresistanceSupply-voltagefiltercapacitanceOperatingambienttemperaturerange

–401000.010

0.1

110

VC1,VC2,VC3,VC4

VCn–VC(n=1),(n=1,2,3),VC4–GND

400

0.221k0.1

1

NOM

MAX25VDD

5

UNITVVµFΩµFkΩµF°C

ELECTRICALCHARACTERISTICS

overrecommendedoperatingfree-airtemperaturerange,TA=25°C(unlessotherwisenoted)

PARAMETER

V(OA)

Overvoltagedetectionaccuracy

TA=25°C

TA=–20°Cto85°CTA=–40°Cto110°Cbq29410bq29411

V(PROTECT)

Overvoltage

detectionvoltage(1)

bq29412bq29413bq29414bq29415

VhysIINtD1I(CD_dis)

Overvoltagedetectionhysteresis(1)Inputcurrent

Overvoltagedetectiondelaytime

CDGNDclampcurrent

V2,V3,VC4input,VDD=VC1

VC1=VC2=VC3=VC4=3.5V(seeFigure1)VDD=VC1,CD=0.22µFVDD=VC1,CD=1V

VDD=VC1,

VC1–VC2=VC2–VC3=VC3–VC4=VC4–GND=3.5V(seeFigure1)

VDD=VC1,

VC1–VC2=VC2–VC3=VC3–VC4=VC4–GND=2.3V(seeFigure1)

VC1–VC2=VC2–VC3=VC3–VC4=VC4–GND=V(PROTECT)Max,VDD=VC1,IOH=0mAVC1=VC2=VC3=VC4=V(PROTECT)Max,VDD=4.3V,TA=0°Cto70°C,IOH=40µAOUT=3V,

VC1=VC2=VC3=VC4=4.7V

OUT=0.1V,VDD=VC1,

VC1–VC2=VC2–VC3=VC3–VC4=VC4–GND=3.5V

1.5–1515

1.5122

3

µA

1.57

V

2

2.5

mAµA

2.5

4.3.404.4.504.5.60300

0.32

mVµASµAV

TESTCONDITION

MIN

NOMMAX2525

355080

mVUNIT

ICC

Supplycurrent

V(OUT)

OUTpindrivevoltage

IOHIOL(1)

High-leveloutputcurrentLow-leveloutputcurrent

Levelsoftheovervoltagedetectionandthehysteresiscanbeadjusted.Forassistance,contactaTexasInstrumentssalesrepresentative.

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1OUT2VDD3CD4VC4VC1VC18VC2VC287VC3VC36GNDGND5Figure1.ICC,IINMeasurement(DCTPackage)

TerminalFunctions

TERMINAL

MSOP

(DCT)876321

TSSOP(PW)12345678

NAMEVC1VC2VC3GNDVC4CDVDDOUT

SensevoltageinputformostpositivecellSensevoltageinputforsecondmostpositivecellSensevoltageinputforthirdmostpositivecellGroundpin

Sensevoltageinputforleastpositivecell

AnexternalcapacitorisconnectedtodeterminetheprogrammabledelaytimePowersupplyOutput

DESCRIPTION

4

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FUNCTIONALBLOCKDIAGRAM

RVDVDDCVDVC1RINCINRINVC2ICD=󰀀0.2A󰀀(TYP)CINVC3OUTRINCINVC41.2󰀀V󰀀(TYP)RINCINGNDCDC(DELAY)OVERVOLTAGEPROTECTION

WhenoneofthecellvoltagesexceedsV(PROTECT),aninternalcurrentsourcebeginstochargethecapacitor,C(DELAY),connectedtotheCDpin.IfthevoltageattheCDpin,VCD,reaches1.2V,theOUTpinisactivatedandtransitionshigh.AnexternallyconnectedNCHFETisactiviatedandblowstheexternalfuseinthepositivebatteryrail;seethefunctionalblockdiagram.

IfallcellvoltagesfallbelowV(PROTECT)beforethevoltageatpinCDreaches1.2V,thedelaytimedoesnotrunout.AninternalswitchclampstheCDpintoGNDanddischargesthecapacitor,C(DELAY),andsecuresthefulldelaytimeforthenextoccurringovervoltageevent.

OncethepinOUTisactivated,ittransitionsbackfromhightolowafterallbatterycellsreachV(PROTECT)–Vhys.

DELAYTIMECALCULATION

Thedelaytimeiscalculatedasfollows:

t+d

ƪ1.2V C(DELAY)ƫ

ICD+

C

ƪtd ICDƫ

1.2V

(DELAY)

WhereI(CD)=CDcurrentsource=0.18µA

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V(PROTECT)Cell Voltage(VCn - VC(n-1),

VC4 - GND)

1.2 VCD

tDELAYV(PROTECT) - Vhys

OUT

td = (1.2 V x CDELAY)/ICD

Figure2.TimingforOvervoltageSensing

APPLICATIONINFORMATION

BATTERYCONNECTIONS

ThefollowingdiagramsshowtheDCTpackagedeviceindifferentcellconfigurations.

1OUT2VDD3CD4VC4VC18VC287VC36GND51OUT2VDD3CD24VC42VC187VC28VC36GND5Figure3.4-SeriesCellConfiguration

Figure4.3-SeriesCellConfiguration

(ConnecttogetherVC1andVC2)

6

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APPLICATIONINFORMATION(continued)

1OUT2VDD36CD4VC4VC187VC27VC36GND5Figure5.2-SeriesCellConfiguration

CELLCONNECTIONS

Topreventincorrectoutputactivation,thefollowingconnectionsequencesmustbeused.4-SeriesCellConfiguration

•VC1(=VDD)→VC2→VC3→VC4→GNDor•GND→VC4→VC3→VC2→VC1(=VDD)3-SeriesCellConfiguration

•VC1(=VC2=VDD)→VC3→VC4→GNDor•GND→VC4→VC3→VC1(=VC2=VDD)2-SeriesCellConfiguration

•VC1(=VC2=VC3=VDD)→VC4→GNDor•GND→VC4→VC1(=VC2=VC3=VDD)

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PACKAGEOPTIONADDENDUM

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PACKAGINGINFORMATION

OrderableDeviceBQ29410DCT3RBQ29410DCT3RE6BQ29410DCTRBQ29410DCTRG4BQ29410DCTTBQ29410DCTTG4BQ29410PWBQ29410PWRBQ29410PWRG4BQ29411DCT3RBQ29411DCT3RE6BQ29411DCTRBQ29411DCTRG4BQ29411DCTTBQ29411DCTTG4BQ29411PWBQ29411PWRBQ29411PWRG4BQ29412DCT3RBQ29412DCT3RE6BQ29412DCT3TBQ29412DCTRBQ29412DCTRG4BQ29412DCTTBQ29412DCTTG4BQ29412PWBQ29412PWG4

Status(1)ACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEPREVIEWACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE

SM8SM8SM8SM8TSSOPTSSOP

DCTDCTDCTDCTPWPW

PackageTypeSM8SM8SM8SM8SM8SM8TSSOPTSSOPTSSOPSM8SM8SM8SM8SM8SM8TSSOPTSSOPTSSOPSM8SM8

PackageDrawingDCTDCTDCTDCTDCTDCTPWPWPWDCTDCTDCTDCTDCTDCTPWPWPWDCTDCT

PinsPackageEcoPlan(2)

Qty888888888888888888888888888

30003000

Pb-Free(RoHS)Pb-Free(RoHS)

Lead/BallFinish

CUSNBICUSNBICUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUSNBICUSNBICUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUSNBICUSNBICallTICUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAU

MSLPeakTemp(3)Level-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-220C-UNLIMLevel-1-220C-UNLIMLevel-2-260C-1YEARLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-220C-UNLIMLevel-1-220C-UNLIMLevel-2-260C-1YEARLevel-1-260C-UNLIMLevel-1-260C-UNLIMCallTI

Level-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-220C-UNLIMLevel-2-260C-1YEAR

3000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)2502501502000

Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)

TBDTBD

2000Green(RoHS&

noSb/Br)30003000

Pb-Free(RoHS)Pb-Free(RoHS)

3000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)2502501502000

Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)

TBDTBD

2000Green(RoHS&

noSb/Br)30003000

Pb-Free(RoHS)Pb-Free(RoHS)TBD

3000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)250250150150

Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)

TBDGreen(RoHS&noSb/Br)

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PACKAGEOPTIONADDENDUM

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12-Jan-2007

OrderableDeviceBQ29412PWRBQ29412PWRG4BQ29413DCTRBQ29413DCTRG4BQ29413DCTTBQ29413DCTTG4BQ29413PWBQ29413PWG4BQ29413PWRBQ29413PWRG4BQ29414DCTRBQ29414DCTRG4BQ29414DCTTBQ29414DCTTG4BQ29414PWBQ29414PWG4BQ29414PWRBQ29414PWRG4BQ29415DCTRBQ29415DCTRG4BQ29415DCTTBQ29415DCTTG4BQ29415PWBQ29415PWG4BQ29415PWRBQ29415PWRG4

Status(1)ACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE

PackageTypeTSSOPTSSOPSM8SM8SM8SM8TSSOPTSSOPTSSOPTSSOPSM8SM8SM8SM8TSSOPTSSOPTSSOPTSSOPSM8SM8SM8SM8TSSOPTSSOPTSSOPTSSOP

PackageDrawingPWPWDCTDCTDCTDCTPWPWPWPWDCTDCTDCTDCTPWPWPWPWDCTDCTDCTDCTPWPWPWPW

PinsPackageEcoPlan(2)

Qty88888888888888888888888888

2000

TBD

2000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)250250150150

Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)

Lead/BallFinishCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAUCUNIPDAU

MSLPeakTemp(3)Level-1-220C-UNLIMLevel-2-260C-1YEARLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-2-260C-1YEARLevel-2-260C-1YEARLevel-2-260C-1YEARLevel-2-260C-1YEARLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-2-260C-1YEARLevel-2-260C-1YEARLevel-2-260C-1YEARLevel-2-260C-1YEARLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-1-260C-UNLIMLevel-2-260C-1YEARLevel-2-260C-1YEARLevel-2-260C-1YEARLevel-2-260C-1YEAR

2000Green(RoHS&

noSb/Br)2000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)250250150150

Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)

2000Green(RoHS&

noSb/Br)2000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)3000Green(RoHS&

noSb/Br)250250150150

Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)Green(RoHS&noSb/Br)

2000Green(RoHS&

noSb/Br)2000Green(RoHS&

noSb/Br)

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(1)

Themarketingstatusvaluesaredefinedasfollows:ACTIVE:Productdevicerecommendedfornewdesigns.

LIFEBUY:TIhasannouncedthatthedevicewillbediscontinued,andalifetime-buyperiodisineffect.

NRND:Notrecommendedfornewdesigns.Deviceisinproductiontosupportexistingcustomers,butTIdoesnotrecommendusingthispartinanewdesign.

PREVIEW:Devicehasbeenannouncedbutisnotinproduction.Samplesmayormaynotbeavailable.OBSOLETE:TIhasdiscontinuedtheproductionofthedevice.

(2)

EcoPlan-Theplannedeco-friendlyclassification:Pb-Free(RoHS),Pb-Free(RoHSExempt),orGreen(RoHS&noSb/Br)-pleasecheckhttp://www.ti.com/productcontentforthelatestavailabilityinformationandadditionalproductcontentdetails.TBD:ThePb-Free/Greenconversionplanhasnotbeendefined.

Pb-Free(RoHS):TI'sterms\"Lead-Free\"or\"Pb-Free\"meansemiconductorproductsthatarecompatiblewiththecurrentRoHSrequirementsforall6substances,includingtherequirementthatleadnotexceed0.1%byweightinhomogeneousmaterials.Wheredesignedtobesolderedathightemperatures,TIPb-Freeproductsaresuitableforuseinspecifiedlead-freeprocesses.

Pb-Free(RoHSExempt):ThiscomponenthasaRoHSexemptionforeither1)lead-basedflip-chipsolderbumpsusedbetweenthedieandpackage,or2)lead-baseddieadhesiveusedbetweenthedieandleadframe.ThecomponentisotherwiseconsideredPb-Free(RoHScompatible)asdefinedabove.

Green(RoHS&noSb/Br):TIdefines\"Green\"tomeanPb-Free(RoHScompatible),andfreeofBromine(Br)andAntimony(Sb)basedflameretardants(BrorSbdonotexceed0.1%byweightinhomogeneousmaterial)

(3)

MSL,PeakTemp.--TheMoistureSensitivityLevelratingaccordingtotheJEDECindustrystandardclassifications,andpeaksoldertemperature.

ImportantInformationandDisclaimer:TheinformationprovidedonthispagerepresentsTI'sknowledgeandbeliefasofthedatethatitisprovided.TIbasesitsknowledgeandbeliefoninformationprovidedbythirdparties,andmakesnorepresentationorwarrantyastotheaccuracyofsuchinformation.Effortsareunderwaytobetterintegrateinformationfromthirdparties.TIhastakenandcontinuestotakereasonablestepstoproviderepresentativeandaccurateinformationbutmaynothaveconducteddestructivetestingorchemicalanalysisonincomingmaterialsandchemicals.TIandTIsuppliersconsidercertaininformationtobeproprietary,andthusCASnumbersandotherlimitedinformationmaynotbeavailableforrelease.

InnoeventshallTI'sliabilityarisingoutofsuchinformationexceedthetotalpurchasepriceoftheTIpart(s)atissueinthisdocumentsoldbyTItoCustomeronanannualbasis.

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MECHANICAL DATAMPDS049B – MAY 1999 – REVISED OCTOBER 2002DCT (R-PDSO-G8)0,300,15850,13MPLASTIC SMALL-OUTLINE PACKAGE0,650,15 NOM2,902,704,253,75Gage Plane0,25PIN 1INDEX AREA13,152,751,30 MAX40°– 8°0,600,20Seating Plane0,100,100,00NOTES:A.B.C.D.All linear dimensions are in millimeters.This drawing is subject to change without notice.Body dimensions do not include mold flash or protrusionFalls within JEDEC MO-187 variation DA.4188781/C 09/02POST OFFICE BOX 655303 DALLAS, TEXAS 75265•元器件交易网www.cecb2b.com

MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999 MECHANICAL DATA PW (R-PDSO-G**) 14 PINS SHOWNPLASTIC SMALL-OUTLINE PACKAGE0,651480,300,190,10M0,15 NOM4,504,306,606,20Gage Plane0,251A70°–8°0,750,50Seating Plane1,20 MAX0,150,050,10PINS **DIMA MAX83,10145,10165,10206,60247,902,80A MIN2,904,904,906,407,709,6040400/F 01/97NOTES:A.B.C.D.All linear dimensions are in millimeters.This drawing is subject to change without notice.Body dimensions do not include mold flash or protrusion not to exceed 0,15.Falls within JEDEC MO-153POST OFFICE BOX 655303 DALLAS, TEXAS 75265•元器件交易网www.cecb2b.com

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