tb67h450fng datasheet zh東芝采用bicd工藝硅單片集成電路

東芝采用BiCD最大電流3.5A。?

18273645

應(yīng)注意輸出、VMGND軌跡的布局,以避免輸出引腳、電源或接地短路。如果發(fā)生這種短路,器件可能會永久損壞。此外，在器件的模式設(shè)計和實施中應(yīng)特別注意，因為它的電源引腳（VM、RS、OUT1、OUT2GND）會通過極大的1234567810V4.01OUT1LLOFF(Hi-OFF(Hi-HLHLLHLHHHLL電流路徑：正向(OUT1OUT2)，反向(OUT21ms（典型值 30μs（最大值

OUT2:

OUT2:

OUT2: 時(1) 設(shè)置為 在每次IN開關(guān)定時時設(shè)置tBLK；如以下時間圖中的灰色顯示。toff/toff/toff/快慢->Toff/ Toff/ Toff/ Toff/關(guān)開關(guān)開開關(guān)開關(guān)

開關(guān)關(guān)開快關(guān)開開關(guān)慢關(guān)關(guān)開開關(guān)開關(guān)開開關(guān)

關(guān)開開關(guān)快開關(guān)關(guān)開慢關(guān)關(guān)開開Iout（最大值）Vref（增益）

Vref(V)示例：設(shè)置為100%時Iout=3.0V/10.0/0.51Ω=0.59電機電源（非運行V電機電源（運行-0.4VV—A（注V—V—V—W（注———Ta：溫Tj（最大值）不超過120℃。TB67H450FNG沒有過壓檢測電路。因此，如果施加的電壓超過其額定最大電壓，器件將損壞。必須始終遵循所有額定電壓，V——A——V0—V——0V高—V低0—V邏輯輸入引腳（注—高測試邏輯輸入引腳：3.3—低測試邏輯輸入引腳：0——1待機模式——1—34—5高待機模式——1低待機模式——05%待機模式0—1（高壓側(cè)+低壓側(cè)（高側(cè)+低側(cè)Iout=1.5—ΩHL時的電壓。VIN(L)VIN(H)降低，輸出引腳(OUT1OUT2)LH時的電壓。VIN(HYS)=VIN(H)–VIN—01—————上升的VUVLO————A了檢測掩模時間。由于TSD電路的工作溫度具有滯后寬度，當(dāng)結(jié)溫降低到要返回的溫度時，IC自動返回。壓重新設(shè)置為4.0V或更高（典型值）即可清除UVLO。ISD電路；然后內(nèi)部復(fù)位電路關(guān)閉輸出晶體管。為了避免開關(guān)等引發(fā)故障，IC內(nèi)部預(yù)留了檢測IN2Low1ms（典型值），IN1IN2High）?；?。必須完全驗證TB67H450FNG或其它部件不會因電機反電動勢而損壞或失效?！狪N1IN2——IN1IN2————————1———過流檢測的掩模時間————PPD-0.075g（典型值/CCC潰可能導(dǎo)致煙霧或起火。為了在發(fā)生故障時盡量減少大電流的影響，需要進行適當(dāng)?shù)脑O(shè)置，如保險絲容量、熔斷時間和插入電路位置。壓的橋式負(fù)載（BTL）連接類型的IC時，應(yīng)特別注意。外，根據(jù)使用方法和使用條件的不同，如果在操作后過流持續(xù)很長時間，IC可能會發(fā)熱，從而導(dǎo)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