tableswww.585ccc.com

www.585ccc.com  时间:2021-03-19  阅读:()
ApplicationReportLM25183,LM25184,LM25183-Q1,andLM25184-Q1FunctionalSafetyFITRate,FMDandPinFMATableofContents1Overview.
22FunctionalSafetyFailureInTime(FIT)Rates.
33FailureModeDistribution(FMD)44PinFailureModeAnalysis(PinFMA)5TrademarksAllothertrademarksarethepropertyoftheirrespectiveowners.
www.
ti.
comTableofContentsSNVA990–AUGUST2020SubmitDocumentFeedbackLM25183,LM25184,LM25183-Q1,andLM25184-Q1FunctionalSafetyFITRate,FMDandPinFMA1Copyright2020TexasInstrumentsIncorporated1OverviewThisdocumentcontainsinformationforLM25183,LM25184,LM25183-Q1,andLM25184-Q1(WSONpackage)toaidinafunctionalsafetysystemdesign.
Informationprovidedare:FunctionalSafetyFailureInTime(FIT)ratesofthesemiconductorcomponentestimatedbytheapplicationofindustryreliabilitystandardsComponentfailuremodesandtheirdistribution(FMD)basedontheprimaryfunctionofthedevicePinfailuremodeanalysis(PinFMA)Figure1-1showsthedevicefunctionalblockdiagramforreference.
Figure1-1.
FunctionalBlockDiagramLM25183,LM25184,LM25183-Q1,andLM25184-Q1weredevelopedusingaquality-manageddevelopmentprocess,butwerenotdevelopedinaccordancewiththeIEC61508orISO26262standards.
Overviewwww.
ti.
com2LM25183,LM25184,LM25183-Q1,andLM25184-Q1FunctionalSafetyFITRate,FMDandPinFMASNVA990–AUGUST2020SubmitDocumentFeedbackCopyright2020TexasInstrumentsIncorporated2FunctionalSafetyFailureInTime(FIT)RatesThissectionprovidesFunctionalSafetyFailureInTime(FIT)ratesforLM25183,LM25184,LM25183-Q1,andLM25184-Q1basedontwodifferentindustry-wideusedreliabilitystandards:Table2-1providesFITratesbasedonIECTR62380/ISO26262part11Table2-2providesFITratesbasedontheSiemensNormSN29500-2Table2-1.
ComponentFailureRatesperIECTR62380/ISO26262Part11FITIECTR62380/ISO26262FIT(FailuresPer109Hours)TotalComponentFITRate13DieFITRate7PackageFITRate6ThefailurerateandmissionprofileinformationinTable2-1comesfromtheReliabilitydatahandbookIECTR62380/ISO26262part11:MissionProfile:MotorControlfromTable11Powerdissipation:300mWClimatetype:World-wideTable8Packagefactor(lambda3):Table17bSubstrateMaterial:FR4EOSFITrateassumed:0FITTable2-2.
ComponentFailureRatesperSiemensNormSN29500-2TableCategoryReferenceFITRateReferenceVirtualTJ5CMOS,BICMOSDigital,analog/mixed25FIT55°CTheReferenceFITRateandReferenceVirtualTJ(junctiontemperature)inTable2-2comefromtheSiemensNormSN29500-2tables1through5.
FailureratesunderoperatingconditionsarecalculatedfromthereferencefailurerateandvirtualjunctiontemperatureusingconversioninformationinSN29500-2section4.
www.
ti.
comFunctionalSafetyFailureInTime(FIT)RatesSNVA990–AUGUST2020SubmitDocumentFeedbackLM25183,LM25184,LM25183-Q1,andLM25184-Q1FunctionalSafetyFITRate,FMDandPinFMA3Copyright2020TexasInstrumentsIncorporated3FailureModeDistribution(FMD)ThefailuremodedistributionestimationforLM25183,LM25184,LM25183-Q1,andLM25184-Q1inTable3-1comesfromthecombinationofcommonfailuremodeslistedinstandardssuchasIEC61508andISO26262,theratioofsub-circuitfunctionsizeandcomplexityandfrombestengineeringjudgment.
Thefailuremodeslistedinthissectionreflectrandomfailureeventsanddonotincludefailuresduetomisuseoroverstress.
Table3-1.
DieFailureModesandDistributionDieFailureModesFailureModeDistribution(%)NoSWoutput45%SWoutputnotinspecification–voltageortiming40%SWpowerFETstuckon5%EN/UVLOfalsetriporfailstotrip5%Shortcircuittoanytwopins5%TheFMDinTable3-1excludesshortcircuitfaultsacrosstheisolationbarrier.
FaultsforshortcircuitacrosstheisolationbarriercanbeexcludedaccordingtoISO61800-5-2:2016ifthefollowingrequirementsarefulfilled:1.
ThesignalisolationcomponentisOVCIIIaccordingtoIEC61800-5-1.
IfaSELV/PELVpowersupplyisused,pollutiondegree2/OVCIIapplies.
AllrequirementsofIEC61800-5-1:2007,4.
3.
6apply.
2.
Measuresaretakentoensurethataninternalfailureofthesignalisolationcomponentcannotresultinexcessivetemperatureofitsinsulatingmaterial.
Creepageandclearancerequirementsshouldbeappliedaccordingtothespecificequipmentisolationstandardsofanapplication.
Careshouldbetakentomaintainthecreepageandclearancedistanceofaboarddesigntoensurethatthemountingpadsoftheisolatorontheprinted-circuitboarddonotreducethisdistance.
FailureModeDistribution(FMD)www.
ti.
com4LM25183,LM25184,LM25183-Q1,andLM25184-Q1FunctionalSafetyFITRate,FMDandPinFMASNVA990–AUGUST2020SubmitDocumentFeedbackCopyright2020TexasInstrumentsIncorporated4PinFailureModeAnalysis(PinFMA)ThissectionprovidesaFailureModeAnalysis(FMA)forthepinsoftheLM25183,LM25184,LM25183-Q1,andLM25184-Q1.
Thefailuremodescoveredinthisdocumentincludethetypicalpin-by-pinfailurescenarios:Pinshort-circuitedtoGround(seeTable4-2)Pinopen-circuited(seeTable4-3)Pinshort-circuitedtoanadjacentpin(seeTable4-4)Pinshort-circuitedtosupply(seeTable4-5)Table4-2throughTable4-5alsoindicatehowthesepinconditionscanaffectthedeviceasperthefailureeffectsclassificationinTable4-1.
Table4-1.
TIClassificationofFailureEffectsClassFailureEffectsAPotentialdevicedamagethataffectsfunctionalityBNodevicedamage,butlossoffunctionalityCNodevicedamage,butperformancedegradationDNodevicedamage,noimpacttofunctionalityorperformanceFigure4-1showstheLM25183,LM25184,LM25183-Q1,andLM25184-Q1pindiagram.
ForadetaileddescriptionofthedevicepinspleaserefertothePinConfigurationandFunctionssectionintheLM25183,LM25184,LM25183-Q1,andLM25184-Q1datasheets.
Figure4-1.
PinDiagramTable4-2.
PinFMAforDevicePinsShort-CircuitedtoGroundPinNamePinNo.
DescriptionofPotentialFailureEffect(s)FailureEffectClassSW1VOUT=0V;DamagetotransformerAFB2VOUT=0V;DamageVINtoFBAVIN3VOUT=0VBEN/UVLO4VOUT=0V;ShutdownoperationBSS/BIAS5VOUT=0Vifshortduringstart-up.
VOUTnormalifshortduringsteady-stateBTC6Temperaturecompensationdisabled;VOUTtargetwillbeslightlydifferentduetoRtc||RsetCRSET7VOUT=ISW-PEAK*tOFF*Rload*NPS/240μs;120μsswitchingBGND8Normaloperation.
Dwww.
ti.
comPinFailureModeAnalysis(PinFMA)SNVA990–AUGUST2020SubmitDocumentFeedbackLM25183,LM25184,LM25183-Q1,andLM25184-Q1FunctionalSafetyFITRate,FMDandPinFMA5Copyright2020TexasInstrumentsIncorporatedTable4-3.
PinFMAforDevicePinsOpen-CircuitedPinNamePinNo.
DescriptionofPotentialFailureEffect(s)FailureEffectClassSW1VOUT=0V;NoswitchingBFB2VOUT=0V;120μsswitchingBVIN3VOUT=0VBEN/UVLO4ShutdownorRegulatingsinceENishighimpedanceBSS/BIAS5VOUTregulating;InternalSSonlyCTC6VOUTregulating;TemperaturecompensationdisabledCRSET7VOUT=0V;VOUTcannotbesensedBGND8FloatingGNDBTable4-4.
PinFMAforDevicePinsShort-CircuitedtoAdjacentPinPinNamePinNo.
DescriptionofPotentialFailureEffect(s)FailureEffectClassSW1VOUT=0V;DamageVINtoFBdiodeAFB2VOUT=0V;VOUTcannotbesensedBVIN3VOUTregulating;AlwaysinACTIVEmodeCEN/UVLO4----SS/BIAS5CurrentlimitthresholdwillbelowerBTC6VOUT=ISW-PEAK*tOFF*Rload*NPS/240μsdependingonTC;VOUTcannotbesensedBRSET7VOUT=ISW-PEAK*tOFF*Rload*NPS/240μsdependingonTC;VOUTcannotbesensedBGND8--Table4-5.
PinFMAforDevicePinsShort-CircuitedtosupplyPinNamePinNo.
DescriptionofPotentialFailureEffect(s)FailureEffectClassSW1VOUT=0V;DamageSWtoGNDAFB2VOUT=0V;VOUTcannotbesensedBVIN3NormalOperationDEN/UVLO4VOUTregulating;AlwaysinACTIVEmodeCSS/BIAS5Damageto15VESDonSS/BIASATC6Damageto5VESDonTCARSET7Damageto5VESDonRSETAGND8VOUT=0VBPinFailureModeAnalysis(PinFMA)www.
ti.
com6LM25183,LM25184,LM25183-Q1,andLM25184-Q1FunctionalSafetyFITRate,FMDandPinFMASNVA990–AUGUST2020SubmitDocumentFeedbackCopyright2020TexasInstrumentsIncorporatedIMPORTANTNOTICEANDDISCLAIMERTIPROVIDESTECHNICALANDRELIABILITYDATA(INCLUDINGDATASHEETS),DESIGNRESOURCES(INCLUDINGREFERENCEDESIGNS),APPLICATIONOROTHERDESIGNADVICE,WEBTOOLS,SAFETYINFORMATION,ANDOTHERRESOURCES"ASIS"ANDWITHALLFAULTS,ANDDISCLAIMSALLWARRANTIES,EXPRESSANDIMPLIED,INCLUDINGWITHOUTLIMITATIONANYIMPLIEDWARRANTIESOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSEORNON-INFRINGEMENTOFTHIRDPARTYINTELLECTUALPROPERTYRIGHTS.
TheseresourcesareintendedforskilleddevelopersdesigningwithTIproducts.
Youaresolelyresponsiblefor(1)selectingtheappropriateTIproductsforyourapplication,(2)designing,validatingandtestingyourapplication,and(3)ensuringyourapplicationmeetsapplicablestandards,andanyothersafety,security,orotherrequirements.
Theseresourcesaresubjecttochangewithoutnotice.
TIgrantsyoupermissiontousetheseresourcesonlyfordevelopmentofanapplicationthatusestheTIproductsdescribedintheresource.
Otherreproductionanddisplayoftheseresourcesisprohibited.
NolicenseisgrantedtoanyotherTIintellectualpropertyrightortoanythirdpartyintellectualpropertyright.
TIdisclaimsresponsibilityfor,andyouwillfullyindemnifyTIanditsrepresentativesagainst,anyclaims,damages,costs,losses,andliabilitiesarisingoutofyouruseoftheseresources.
TI'sproductsareprovidedsubjecttoTI'sTermsofSale(www.
ti.
com/legal/termsofsale.
html)orotherapplicabletermsavailableeitheronti.
comorprovidedinconjunctionwithsuchTIproducts.
TI'sprovisionoftheseresourcesdoesnotexpandorotherwisealterTI'sapplicablewarrantiesorwarrantydisclaimersforTIproducts.
MailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265Copyright2020,TexasInstrumentsIncorporated

Vultr VPS韩国首尔机房速度和综合性能参数测试

Vultr 商家有新增韩国首尔机房,这个是继日本、新加坡之后的第三个亚洲机房。不过可以大概率知道肯定不是直连中国机房的,因为早期的日本机房有过直连后来取消的。今天准备体验看看VULTR VPS主机商的韩国首尔机房的云服务器的速度和性能。1、全球节点PING速度测试这里先通过PING测试工具看看全球几十个节点的PING速度。看到好像移动速度还不错。2、路由去程测试测试看看VULTR韩国首尔机房的节点...

wordpress公司网站模板 wordpress简洁高级通用公司主题

wordpress公司网站模板,wordpresss简洁风格的高级通用自适应网站效果,完美自适应支持多终端移动屏幕设备功能,高级可视化后台自定义管理模块+规范高效的搜索优化。wordpress公司网站模板采用标准的HTML5+CSS3语言开发,兼容当下的各种主流浏览器: IE 6+(以及类似360、遨游等基于IE内核的)、Firefox、Google Chrome、Safari、Opera等;同时...

Advinservers:美国达拉斯便宜VPS/1核/4GB/80GB SSD/1Gbps不限流量/月付$2.5/美国10Gbps高防服务器/高达3.5TBDDos保护$149.99元/月

Advinservers,国外商家,公司位于新泽西州,似乎刚刚新成立不久,主要提供美国和欧洲地区VPS和独立服务器业务等。现在有几款产品优惠,高达7.5TB的存储VPS和高达3.5TBDDoS保护的美国纽约高防服务器,性价比非常不错,有兴趣的可以关注一下,并且支持Paypal付款。官方网站点击直达官方网站促销产品第一款VPS为预购,预计8月1日交付。CPU为英特尔至强 CPU(X 或 E5)。官方...

www.585ccc.com为你推荐
neworientalbecoming什么么意思杨紫别祝我生日快乐关于“致自己生日”的唯美句子有哪些?今日油条油条每周最多能吃多少18comic.fun贴吧经常有人说A站B站,是什么意思啊?百度关键词价格查询百度竞价关键词价格查询,帮忙查几个词儿点击一次多少钱,thanks巫正刚想在淘宝开一个类似于耐克、阿迪之类的店、需要多少钱、如何能够代理www.7788k.comwww.6601txq.com.有没有这个网站javbibitreebibi是什么牌子的www.gogo.com哪种丰胸产品是不含激素的?汴京清谈汴京繁华 简介50字?
免费申请域名和空间 singlehop 免备案空间 iisphpmysql 老左博客 国外空间服务商 火车票抢票攻略 铁通流量查询 qq数据库下载 台湾谷歌地址 双线主机 hostloc 最漂亮的qq空间 畅行云 免费个人网页 空间申请 小夜博客 hdchina japanese50m咸熟 德国代理 更多