Texas Instruments LM96163 Bedienungsanleitung

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LM96163

www.ti.com

SNAS433D–JUNE2008–REVISEDMAY2013

LM96163RemoteDiodeDigitalTemperatureSensorwithIntegratedFanControland

TruTherm

®

BJTTransistorBetaCompensationTechnology

CheckforSamples:LM96163

1

FEATURES

DESCRIPTION

TheLM96163hasremoteandlocaltemperature

2

•TruThermBJTBetaCompensationTechnology

sensorswithintegratedfancontrolthatincludes

Supports45nm,65nmand90nmProcessor

TruThermBJTtransistorbetacompensation

RemoteDiodes

technologyforremotediodesensing.TheLM96163

•FactoryTrimmedforIntel®45nmProcessor

accuratelymeasures:(1)itsowntemperatureand(2)

ThermalDiodes

thetemperatureofadiode-connectedtransistor,such

asa2N3904,orathermaldiodecommonlyfoundon

•AccuratelySensesDiode-Connected2N3904

ComputerProcessors,GraphicsProcessorUnits

TransistorsorThermalDiodesOn-boardLarge

(GPU)andotherASIC's.TheLM96163hasanoffset

ProcessorsorASIC's

registertocorrectforerrorscausedbydifferentnon-

•AccuratelySensesitsOwnTemperature

idealityfactorsofotherthermaldiodes.

•IntegratedPWMFanSpeedControlOutput

TheLM96163alsofeaturesanintegrated,pulse-

SupportsHighResolutionat22.5kHz

width-modulated(PWM),open-drainfancontrol

Frequencyfor4-pinFans

output.Fanspeeddependsonacombinationofthe

•AcousticFanNoiseReductionwithUser-

remotetemperaturereading,thelookuptableand

Programmable12-StepLookupTable

registersettings.The12-stepLookupTable(LUT)

enablestheusertoprogramanon-linearfanspeed

•LUTTransitionFineResolutionSmoothing

vs.temperaturetransferfunctionoftenusedtoquiet

Function

acousticfannoise.Inadditionafullyprogrammable

•TachometerInputforMeasuringFanRPM

rampingfunctionhasbeenaddedtoallowsmooth

•Smart-TachModesforMeasuringRPMofFanstransitionsbetweenLUTsetpoints.

withPulse-Width-ModulatedPowerasShown

Table1.KeySpecifications

inTypicalApplication

■RemoteTempAccuracy(includesquantizationerror)

•ALERTOutputforProcessorEvent

LM96163TempDiodeTempMaxError

Notification

+25to+85°C+50to+105°C±0.75°C

•TCRITOutputforCriticalTemperatureSystem

+25to+85°C+40to+125°C±1.5°C

Shutdown

-40to+25°C+25to125°C±3.0°C

•OffsetRegisterCanAdjustforaVarietyof

■LocalTempAccuracy(includesquantizationerror)

ThermalDiodes

LM96163Temp25°Cto125°C±3.0°C(max)

•10-BitPlusSignand11-BitUnsignedFormats,

■SupplyVoltage+3.0Vto+3.6V

with1/8°CResolution

■SupplyCurrent(0.8HzConversion)456µA(typ)

•ExtendedResolutionto1/32°CwhenDigital

FilterEnabled

•ResolvesRemoteDiodeTemperaturesupto

255.875°C

•SMBus2.0CompatibleInterface,with

TIMEOUTandARA

•10-PinSONPackage

APPLICATIONS

•ProcessorThermalManagement

•ElectronicTestandOfficeEquipment

•IndustrialControls

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2008–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

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