IGBT导热硅脂的涂抹及表面粗糙度要求

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1、ThermalgreaseforInfineonmodulesWhatshouldbethebehaviorandhowagreasehastolooklikeBaginskiIFAGAIMPMDIDAE2007-06-01ConsiderationsInfineonmoduleswithbaseplate:RoughnessofbaseplateFmax.=16口m;Ryp.=4-6口mInfineonmoduleswithoutbaseplate:RoughnessofceramicFmax.=9口m;Rtyp.=34口mHeatsink:Specificationofroughnessr

2、egardingApplicationNoteModuleswithandwithoutbaseplate:RZmax.=10imConsiderationsExampleofroughnessofbaseplateandheatsinkBaseplateRZtyp.=6mIM.HRZmax.=10ymConsiderationsThermalconductivity:Copper:入390W/mKAluminium:入237W/mKThermalcompound:入1W/mKCopper=ThermalbarrierAluminiumRthchairRIIRthgreasemetallthg

3、reaseRhchmetallRthchthermalgreasemK/WMetaltoMetalcontactessential=ThermalgreasethatfillsonlythegapesispreferedTheinformationgiveninthispresentationisgivenasahintfortheimplementationoftheInfineonTechnologiescomponentsonlyandshallnotberegardedasanydescriptionofwarrantyofacertainfunctionality,condition

4、sorqualityoftheInfineonTechnologiescomponents.Thestatementscontainedinthiscommunication,includinganyrecommendationorsuggestionormethodology,aretobeverifiedbytheuserbeforeimplementation,asoperatingconditionsandenvironmentalfactorsmaydiffer.Therecipientofthispresentationmustverifyanyfunctiondescribedh

5、ereinintherealapplication.InfineonTechnologiesherebydisclaimsanyandallwarrantiesandliabilitiesofanykind(includingwithoutlimitationwarrantiesofnon-infringementofintellectualpropertyrightsofanythirdparty)withrespecttoanyandallinformationgiveninthispresentation.ConsiderationsThermalgreaseconsistsofdiff

6、erentcomponentsOilypartsOnlyneededtoadjusttheviscosityofthegreaseThermalconductingpartsNecessarytoconductbaseplateandheatsinktogetherBaseplateRZtyp.=6口mRZmax.:jy=10mHeatsinkConsiderationsThermalinterfacematerial:ExampleforbetterunderstandingGrainsize:Upto70口mTheinformationgiveninthispresentationisgi

7、venasahintfortheimplementationoftheInfineonTechnologiescomponentsonlyandshallnotberegardedasanydescriptionofwarrantyofacertainfunctionality,conditionsorqualityoftheInfineonTechnologiescomponents.Thestatementscontainedinthiscommunication,includinganyrecommendationorsuggestionormethodology,aretobeveri

8、fiedbytheuserbeforeimplementation,asoperatingconditionsandenvironmentalfactorsmaydiffer.Therecipientofthispresentationmustverifyanyfunctiondescribedhereinintherealapplication.InfineonTechnologiesherebydisclaimsanyandallwarrantiesandliabilitiesofanykind(includingwithoutlimitationwarrantiesofnon-infri

9、ngementofintellectualpropertyrightsofanythirdparty)withrespecttoanyandallinformationgiveninthispresentation.ConsiderationsExample:Thermalgreasewith40口msizeinapplicationTemperaturedrop390W/mKSmalltemp.dropBaseplate1W/mKBigtemp.drop237W/mKSmalltemp.dropNochaneetomoveHeatsinkConsiderationsExampleofgrai

10、nsof40口msizeBaseplateGreaseworkslikedistaneespacersHeatsink=RthCH=badConsiderations卩msizeinapplicationExample:Thermalgreasewith5TemperaturedropBaseplateHeatsinkConsiderationsExampleofgrainsof5口msizeHoletofixmodulewiththeheatsinkBaseplateHeatsinkMetaltometalcontactpossible=RthCH=goodConsiderationsVis

11、cosityofthermalgrease:Highviscosity(hard)BaseplateDotsofgreaseHeatsinkthirdparty)withrespecttoanyandallinformationgiveninthispresentation.ConsiderationsViscosityofthermalgrease:Lowviscosity(fluid)BaseplateDotsofgreaseHeatsinkBaseplateHeatsinkBaseplateyjandbhallnotberegardedasanydescriptionofwarranty

12、ofacertain仙Udnyrecommendationorsuggestionormethodology,aretobeGreasecomesoutTheinformationgiveninthispresentationisgivenasahintfortheimplementationoftheInfineonTechnologiefunctionality,conditionsorqualityoftheInfineonTechnologiescomponents.Thestatementscontainedinthisverifiedbytheuserbeforeimplement

13、ation,asoperatingconditionsandenvironmentalfactorsmaydiffer.Therecipientofthispresentationmustverifyanyfunctiondescribedhereinintherealapplication.InfineonTechnologiesherebydisclaimsanyandallwarrantiesandliabilitiesofanykind(includingwithoutlimitationwarrantiesofnon-infringementofintellectualpropert

14、yrightsofanythirdparty)withrespecttoanyandallinformationgiveninthispresentation.ConsiderationsRoughnessofheatsinkRZmax.=1umBaseplateRZtyp.HeatsinkPermanentdistaneeConsiderationsRoughnessofheatsinkRZmax.=10umBaseplateRZtyp.HeatsinkCrossoverpossibleConsiderationsofthermalfoilBaseplateFoilworkslikedist

15、aneekeeperHeatsinkPermanentair-badRthTheinformationgiveninthispresentationisgivenasahintfortheimplementationoftheInfineonTechnologiescomponentsonlyandshallnotberegardedasanydescriptionofwarrantyofacertainfunctionality,conditionsorqualityoftheInfineonTechnologiescomponents.Thestatementscontainedinthi

16、scommunication,includinganyrecommendationorsuggestionormethodology,aretobeverifiedbytheuserbeforeimplementation,asoperatingconditionsandenvironmentalfactorsmaydiffer.Therecipientofthispresentationmustverifyanyfunctiondescribedhereinintherealapplication.InfineonTechnologiesherebydisclaimsanyandallwar

17、rantiesandliabilitiesofanykind(includingwithoutlimitationwarrantiesofnon-infringementofintellectualpropertyrightsofanythirdparty)withrespecttoanyandallinformationgiveninthispresentation.ConsiderationsofphasechangematerialBeforefirstheatup(nophasechange)F=3NmF=3NmF=3NmF=3NmFoilworkslikedistaneekeeper

18、TheinformationgiveninthispresentationisgivenasahintfortheimplementationoftheInfineonTechnologiescomponentsonlyandshallnotberegardedasanydescriptionofwarrantyofacertainfunctionality,conditionsorqualityoftheInfineonTechnologiescomponents.Thestatementscontainedinthiscommunication,includinganyrecommenda

19、tionorsuggestionormethodology,aretobeverifiedbytheuserbeforeimplementation,asoperatingconditionsandenvironmentalfactorsmaydiffer.Therecipientofthispresentationmustverifyanyfunctiondescribedhereinintherealapplication.InfineonTechnologiesherebydisclaimsanyandallwarrantiesandliabilitiesofanykind(includ

20、ingwithoutlimitationwarrantiesofnon-infringementofintellectualpropertyrightsofanythirdparty)withrespecttoanyandallinformationgiveninthispresentation.ConsiderationsofphasechangematerialAfterheatingup(phasechange)F=?NmLooseofpressureF=?Nmn|BaseplateiiFoilworkslikedistaneespacersTheinformationgiveninth

21、ispresentationisgivenasahintfortheimplementationoftheInfineonTechnologiescomponentsonlyandshallnotberegardedasanydescriptionofwarrantyofacertainfunctionality,conditionsorqualityoftheInfineonTechnologiescomponents.Thestatementscontainedinthiscommunication,includinganyrecommendationorsuggestionormetho

22、dology,aretobeverifiedbytheuserbeforeimplementation,asoperatingconditionsandenvironmentalfactorsmaydiffer.Therecipientofthispresentationmustverifyanyfunctiondescribedhereinintherealapplication.InfineonTechnologiesherebydisclaimsanyandallwarrantiesandliabilitiesofanykind(includingwithoutlimitationwar

23、rantiesofnon-infringementofintellectualpropertyrightsofanythirdparty)withrespecttoanyandallinformationgiveninthispresentation.ConclusionofconsiderationsThegreasehastofillonlytheroughnessofthebaseplateandtheroughnessoftheheatsinkThisdonotpreventmetaltometalcontactwherepossibleThegreasehastobefluideno

24、ughtospreadandtoflowoutThisguaranteessmallthicknessofgreasebetweenbaseplateandheatsinkThisguaranteesagoodthermalcontactTheroughnessoftheheatsinkshouldbeunderconsiderationsTheinformationgiveninthispresentationisgivenasahintfortheimplementationoftheInfineonTechnologiescomponentsonlyandshallnotberegard

25、edasanydescriptionofwarrantyofacertainfunctionality,conditionsorqualityoftheInfineonTechnologiescomponents.Thestatementscontainedinthiscommunication,includinganyrecommendationorsuggestionormethodology,aretobeverifiedbytheuserbeforeimplementation,asoperatingconditionsandenvironmentalfactorsmaydiffer.

26、Therecipientofthispresentationmustverifyanyfunctiondescribedhereinintherealapplication.InfineonTechnologiesherebydisclaimsanyandallwarrantiesandliabilitiesofanykind(includingwithoutlimitationwarrantiesofnon-infringementofintellectualpropertyrightsofanythirdparty)withrespecttoanyandallinformationgiveninthispresentation.