tb67h450fng datasheet zh东芝采用bicd工艺硅单片集成电路

东芝采用BiCD最大电流3.5A。©

18273645

应注意输出、VMGND轨迹的布局,以避免输出引脚、电源或接地短路。如果发生这种短路,器件可能会永久损坏。此外，在器件的模式设计和实施中应特别注意，因为它的电源引脚（VM、RS、OUT1、OUT2GND）会通过极大的1234567810V4.01OUT1LLOFF(Hi-OFF(Hi-HLHLLHLHHHLL电流路径：正向(OUT1OUT2)，反向(OUT21ms（典型值 30μs（最大值

OUT2:

OUT2:

OUT2: 时(1) 设置为 在每次IN开关定时时设置tBLK；如以下时间图中的灰色显示。toff/toff/toff/快慢->Toff/ Toff/ Toff/ Toff/关开关开开关开关

开关关开快关开开关慢关关开开关开关开开关

关开开关快开关关开慢关关开开Iout（最大值）Vref（增益）

Vref(V)示例：设置为100%时Iout=3.0V/10.0/0.51Ω=0.59电机电源（非运行V电机电源（运行-0.4VV—A（注V—V—V—W（注———Ta：温Tj（最大值）不超过120℃。TB67H450FNG没有过压检测电路。因此，如果施加的电压超过其额定最大电压，器件将损坏。必须始终遵循所有额定电压，V——A——V0—V——0V高—V低0—V逻辑输入引脚（注—高测试逻辑输入引脚：3.3—低测试逻辑输入引脚：0——1待机模式——1—34—5高待机模式——1低待机模式——05%待机模式0—1（高压侧+低压侧（高侧+低侧Iout=1.5—ΩHL时的电压。VIN(L)VIN(H)降低，输出引脚(OUT1OUT2)LH时的电压。VIN(HYS)=VIN(H)–VIN—01—————上升的VUVLO————A了检测掩模时间。由于TSD电路的工作温度具有滞后宽度，当结温降低到要返回的温度时，IC自动返回。压重新设置为4.0V或更高（典型值）即可清除UVLO。ISD电路；然后内部复位电路关闭输出晶体管。为了避免开关等引发故障，IC内部预留了检测IN2Low1ms（典型值），IN1IN2High）。化。必须完全验证TB67H450FNG或其它部件不会因电机反电动势而损坏或失效。————————IN1IN2——IN1IN2————————1———过流检测的掩模时间————PPD-0.075g（典型值/CCC溃可能导致烟雾或起火。为了在发生故障时尽量减少大电流的影响，需要进行适当的设置，如保险丝容量、熔断时间和插入电路位置。压的桥式负载（BTL）连接类型的IC时，应特别注意。外，根据使用方法和使用条件的不同，如果在操作后过流持续很长时间，IC可能会发热，从而导致故障。RESTRICTIONSONPRODUCTToshbaCorporationanditssubsidiariesandaffiliatesarecollectivelyreferredtoas“TOSHIBA”.Hardware,softwareandsystemsdescribedinthisdocumentarecollectivelyreferredtoas“Product”.TOSHIBAreservestherighttomakechangestotheinformationinthisdocumentandrelatedProductwithoutThisdocumentandanyinformationhereinmaynotbereproducedwithoutpriorwrittenpermissionfromTOSHIBA.EvenwithTOSHIBA'swrittenpermission,reproductionispermissibleonlyifreproductioniswithoutalteration/omission.ThoughTOSHIBAworkscontinuallytoimproveProduct'squalityandreliability,Productcanmalfunctionorfail.Customersareresponsibleforcomplyingwithsafetystandardsandforprovidingadequatedesignsandsafeguardsfortheirhardware,softwareandsystemswhichminimizeriskandavoidsituationsinwhichamalfunctionorfailureofProductcouldcauselossofhumanlife,bodilyinjuryordamagetoproperty,includingdatalossorcorruption.BeforecustomersusetheProduct,createdesignsincludingtheProduct,orincorporatetheProductintotheirownapplications,customersmustalsorefertoandcomplywith(a)thelatestversionsofallrelevantTOSHIBAinformation,includingwithoutlimitation,thisdocument,thespecifications,thedatasheetsandapplicationnotesforProductandtheprecautionsandconditionssetforthinthe"TOSHIBASemiconductorReliabilityHandbook"and(b)theinstructionsfortheapplicationwithwhichtheProductwillbeusedwithorfor.Customersaresolelyresponsibleforallaspectsoftheirownproductdesignorapplications,includingbutnotlimitedto(a)determiningtheappropriatenessoftheuseofthisProductinsuchdesignorapplications;(b)evaluatinganddeterminingtheapplicabilityofanyinformationcontainedinthisdocument,orincharts,diagrams,programs,algorithms,sampleapplicationcircuits,oranyotherreferenceddocuments;and(c)validatingalloperatingparametersforsuchdesignsandapplications.TOSHIBAASSUMESNOLIABILITYFORCUSTOMERS'PRODUCTDESIGNORAPPLICATIONS.PRODUCTISNEITHERINTENDEDNORWARRANTEDFORUSEINEQUIPMENTSORSYSTEMSTHATREQUIREEXTRAORDINARILYHIGHLEVELSOFQUALITYAND/ORRELIABILITY,AND/ORAMALFUNCTIONORFAILUREOFWHICHMAYCAUSELOSSOFHUMANLIFE,BODILYINJURY,SERIOUSPROPERTYDAMAGEAND/ORSERIOUSPUBLICIMPACT("UNINTENDEDUSE").Exceptforspecificapplicationsasexpresslystatedinthisdocument,UnintendedUseincludes,withoutlimitation,equipmentusedinnuclearfacilities,equipmentusedintheaerospaceindustry,lifesavingand/orlifesupportingmedicalequipment,equipmentusedforautomobiles,trains,shipsandothertransportation,trafficsignalingequipment,equipmentusedtocontrolcombustionsorexplosions,safetydevices,elevatorsandescalators,anddevicesrelatedtopowerplant.IFYOUUSEPRODUCTFORUNINTENDEDUSE,TOSHIBAASSUMESNOLIABILITYFORPRODUCT.Fordetails,pleasecontactyourTOSHIBAsalesrepresentativeorcontactusviaourProductshallnotbeusedfororincorporatedintoanyproductsorsystemswhosemanufacture,use,orsaleisprohbitedunderanyapplicablelawsorregulations.TheinformationcontainedhereinispresentedonlyasguidanceforProductuse.NoresponsibilityisassumedbyTOSHIBAforanyinfringementofpatentsoranyotherintellectualpropertyrightsofthirdpartiesthatmayresultfromtheuseofProduct.Nolicensetoanyintellectualpropertyrightisgrantedbythisdocument,whetherexpressorimplied,byestoppelorotherwise.ABSENTAWRITTENSIGNEDAGREEMENT,EXCEPTASPROVIDEDINTHERELEVANTTERMSANDCONDITIONSOFSALEFORPRODUCT,ANDTOTHEMAXIMUMEXTENTALLOWABLEBYLAW,TOSHIBA(1)ASSUMESNOLIABILITYWHATSOEVER,INCLUDINGWITHOUTLIMITATION,INDIRECT,CONSEQUENTIAL,SPECIAL,ORINCIDENTALDAMAGESORLOSS,INCLUDINGWITHOUTLIMITATION,LOSSOFPROFITS,LOSSOFOPPORTUNITIES,BUSINESSINTERRUPTIONANDLOSSOFDATA,AND(2)DISCLAIMSANYANDALLEXPRESSORIMPLIEDWARRANTIESANDCONDITIONSRELATEDTOSALE,USEOFPRODUCT,ORINFORMATION,INCLUDINGWARRANTIESORCONDITIONSOFMERCHANTABILITY,FITNESSFORAPARTICULARPURPOSE,ACCURACYOFINFORMATION,ORNONINFRINGEMENT.DonotuseorotherwisemakeavailableProductorrelatedsoftwareortechnologyforanymilitarypurposes,includingwithoutlimitation,forthedesign,development,use,stockpilingormanufacturingofnuclear,chemical,orbiologicalweaponsormissiletechnologyproducts(massdestructionweapons).Productandrelatedsoftwareandtechnologymaybecontrolledundertheapplicableexportlawsandregulationsincluding,withoutlimitation,theJapaneseForeignExchangeandForeignTradeLa