TBFNG数据手册.pdf

TBFNG数据手册.pdf

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TB6612FNGToshibaBi-CDIntegratedCircuitSiliconMonolithicTB6612FNGDriverICforDualDCmotorTB6612FNGisadriverICforDCmotorwithoutputtransistorinLDMOSstructurewithlowON-resistor.Twoinputsignals,IN1andIN2,canchooseoneoffourmodessuchasCW,CCW,shortbrake,andstopmode.FeaturesPowersupplyvoltage:

VM=15V（Max）Outputcurrent:

IOUT=1.2A（ave）/3.2A（peak）OutputlowONresistor:

0.5（upper+lowerTyp.VM5V）Standby（Powersave）systemCW/CCW/shortbrake/stopfunctionmodesBuilt-inthermalshutdowncircuitandlowvoltagedetectingcircuitSmallfacedpackage（SSOP24:

0.65mmLeadpitch）*ThisproducthasaMOSstructureandissensitivetoelectrostaticdischarge.Whenhandlingthisproduct,ensurethattheenvironmentisprotectedagainstelectrostaticdischargebyusinganearthstrap,aconductivematandanionizer.Ensurealsothattheambienttemperatureandrelativehumidityaremaintainedatreasonablelevels.Weight:

0.14g（typ.）2014TOSHIBACorporation2014-10-011TB6612FNGBlockDiagramPinFunctionsNo.PinNameI/OFunction1AO1OchAoutput12AO13PGND1PowerGND14PGND15AO2OchAoutput26AO27BO2OchBoutput28BO29PGND2PowerGND210PGND211BO1OchBoutput112BO113VM2Motorsupply14VM315PWMBIchBPWMinput/200kpull-downatinternal16BIN2IchBinput2/200kpull-downatinternal17BIN1IchBinput1/200kpull-downatinternal18GNDSmallsignalGND19STBYI“L”=standby/200kpull-downatinternal20VccSmallsignalsupply21AIN1IchAinput1/200kpull-downatinternal22AIN2IchAinput2/200kpull-downatinternal23PWMAIchAPWMinput/200kpull-downatinternal24VM1Motorsupply2014-10-012TB6612FNGAbsoluteMaximumRatings（Ta=25C）OperatingRange（Ta=-20to85C）CharacteristicsSymbolRatingUnitRemarksSupplyvoltageVM15VVCC6InputvoltageVIN-0.2to6VIN1,IN2,STBY,PWMpinsOutputvoltageVOUT15VO1,O2pinsOutputcurrentIOUT1.2APer1chIOUT（peak）2tw=20msContinuouspulse,Duty20%3.2tw=10msSinglepulsePowerdissipationPD0.78WIConly0.8950mm50mmt=1.6mmCu40%inPCBmounting1.3676.2mm114.3mmt=1.6mmCu30%inPCBmountingOperatingtemperatureTopr-20to85CStoragetemperatureTstg-55to150CCharacteristicsSymbolMinTyp.MaxUnitRemarksSupplyvoltageVCC2.735.5VVM2.5513.5VOutputcurrent（H-SW）IOUT1.0AVM4.5V0.44.5VVM2.5VWithoutPWMOperationSwitchingfrequencyfPWM100kHz入力端子;IN1,IN2,PWM,STBYVccGNDInputInternalcircuit200k出力端子;O1,O2VMPGNDO1O2Inputpin:

Outputpin:

O1,O2O1O2VM2014-10-013TB6612FNGH-SWControlFunctionInputOutputIN1IN2PWMSTBYOUT1OUT2ModeHHH/LHLLShortbrakeLHHHLHCCWLHLLShortbrakeHLHHHLCWLHLLShortbrakeLLHHOFF（Highimpedance）StopH/LH/LH/LLOFF（Highimpedance）StandbyH-SWOperatingDescriptionTopreventpenetratingcurrent,deadtimet2andt4isprovidedinswitchingtoeachmodeintheIC.VMVMVMMVMGNDt5MVMGNDt4MGNDMGNDt3MGNDt2t1OUT2OUT1OUT1OUT1OUT1OUT1OUT2OUT2OUT2OUT2GNDVMOUT1Voltagewavet1t2t3t5t42014-10-014TB6612FNGElectricalCharacteristics（unlessotherwisespecified,Ta=25C,Vcc=3V,VM=5V）CharacteristicsSymbolTestConditionMinTyp.MaxUnitSupplycurrentICC（3V）STBY=Vcc=3V,VM=5V1.11.8mAICC（5.5V）STBY=Vcc=5.5V,VM=5V1.52.2ICC（STB）STBY=0V1AIM（STB）1ControlinputvoltageVIHVcc0.7Vcc+0.2VVIL-0.2Vcc0.3ControlinputcurrentIIHVIN=3V51525AIILVIN=0V1StandbyinputvoltageVIH（STB）Vcc0.7Vcc+0.2VVIL（STB）-0.2Vcc0.3StandbyinputcurrentIIH（STB）VIN=3V51525AIIL（STB）VIN=0V1OutputsaturatingvoltageVsat（U+L）1IO=1A,Vcc=VM=5V0.50.7VVsat（U+L）2IO=0.3A,Vcc=VM=5V0.150.21OutputleakagecurrentIL（U）VM=VOUT=15V1AIL（L）VM=15V,VOUT=0V-1RegenerativediodeVFVF（U）IF=1A11.1VVF（L）11.1LowvoltagedetectingvoltageUVLD（Designtargetonly）1.9VRecoveringvoltageUVLC2.2Responsespeedtr（Designtargetonly）24nstf41DeadtimeHtoLPenetrationprotecttime（Designtargetonly）50LtoH230ThermalshutdowncircuitoperatingtemperatureTSD（Designtargetonly）175CThermalshutdownhysteresisTSD202014-10-015TB6612FNGTargetcharacteristicsPD-Ta0.000.501.001.50050100150Ta（）（w）IC単体j-a=160/W基板実装時PCB面積50501.6mmCu箔面積40%基板実装時PCB面積76.2114.31.6mmCu箔面積30%IConlyja=160C/WInboardingPCBarea50mm50mm1.6mmCuarea40%InboardingPCBarea76.2mm114.3mm1.6mmCuarea30%PowerdissipationPDPD-TaTa=25C,IConly1chdriving2chdrivingIout-Duty0.00.51.01.52.02.50%20%40%60%80%100%Duty（A）2ch動作時1ch動作時Ta=25,IC単体OutputcurrentIOUTIOUT-DutyDual-channeloperationSingle-channeloperationTa=25C,IConly2014-10-016TB6612FNGTypicalApplicationDiagramNote:

Condensersfornoiseabsorption（C1,C2,C3,andC4）shouldbeconnectedascloseaspossibletotheIC.+4.5V13.5V+C110uFC20.1uFMMCUMCUSTBYAIN1AIN2PWMAH-SWDriverA18TSDVccGND2AO124VM1ControlLogicA20212223193PGND1BIN1BIN2PWMBControlLogicB171615STBYUVLO4PGND11AO16AO25AO2H-SWDriverB11BO113VM29PGND210PGND212BO17BO28BO214VM3M+2.7V5.5V+C310uFC40.1uF+2.7Vto5.5V+4.5Vto13.5V2014-10-017TB6612FNGPackageDimennsionsWeght:

0.14g（typ）Detailofaterminal2014-10-018TB6612FNGNotesonContents1.BlockDiagramsSomeofthefunctionalblocks,circuits,orconstantsintheblockdiagrammaybeomittedorsimplifiedforexplanatorypurposes.2.EquivalentCircuitsTheequivalentcircuitdiagramsmaybesimplifiedorsomepartsofthemmaybeomittedforexplanatorypurposes.3.TimingChartsTimingchartsmaybesimplifiedforexplanatorypurposes.4.ApplicationCircuitsTheapplicationcircuitsshowninthisdocumentareprovidedforreferencepurposesonly.Thoroughevaluationisrequired,especiallyatthemassproductiondesignstage.Toshibadoesnotgrantanylicensetoanyindustrialpropertyrightsbyprovidingtheseexamplesofapplicationcircuits.5.TestCircuitsComponentsinthetestcircuitsareusedonlytoobtainandconfirmthedevicecharacteristics.Thesecomponentsandcircuitsarenotguaranteedtopreventmalfunctionorfailurefromoccurringintheapplicationequipment.ICUsageConsiderationsNotesonhandlingofICs1Theabsolutemaximumratingsofasemiconductordeviceareasetofratingsthatmustnotbeexceeded,evenforamoment.Donotexceedanyoftheseratings.Exceedingtherating（s）maycausethedevicebreakdown,damageordeterioration,andmayresultinjurybyexplosionorcombustion.2Useanappropriatepowersupplyfusetoensurethatalargecurrentdoesnotcontinuouslyflowincaseofovercurrentand/orICfailure.TheICwillfullybreakdownwhenusedunderconditionsthatexceeditsabsolutemaximumratings,whenthewiringisroutedimproperlyorwhenanabnormalpulsenoiseoccursfromthewiringorload,causingalargecurrenttocontinuouslyflowandthebreakdowncanleadsmokeorignition.Tominimizetheeffectsoftheflowofalargecurrentincaseofbreakdown,appropriatesettings,suchasfusecapacity,fusingtimeandinsertioncircuitlocation,arerequired.3Ifyourdesignincludesaninductiveloadsuchasamotorcoil,incorporateaprotectioncircuitintothedesigntopreventdevicemalfunctionorbreakdowncausedbythecurrentresultingfromtheinrushcurrentatpowerONorthenegativecurrentresultingfromthebackelectromotiveforceatpowerOFF.ICbreakdownmaycauseinjury,smokeorignition.UseastablepowersupplywithICswithbuilt-inprotectionfunctions.Ifthepowersupplyisunstable,theprotectionfunctionmaynotoperate,causingICbreakdown.ICbreakdownmaycauseinjury,smokeorignition.4Donotinsertdevicesinthewrongorientationorincorrectly.Makesurethatthepositiveandnegativeterminalsofpowersuppliesareconnectedproperly.Otherwise,thecurrentorpowerconsumptionmayexceedtheabsolutemaximumrating,andexceedingtherating（s）maycausethedevicebreakdown,damageordeterioration,andmayresultinjurybyexplosionorcombustion.Inaddition,donotuseanydevicethatisappliedthecurrentwithinsertinginthewrongorientationorincorrectlyevenjustonetime.2014-10-019TB6612FNGPointstorememberonhandlingofICs

（1）ThermalShutdownCircuitThermalshutdowncircuitsdonotnecessarilyprotectICsunderallcircumstances.Ifthethermalshutdowncircuitsoperateagainsttheovertemperature,cleartheheatgenerationstatusimmediately.Dependingonthemethodofuseandusageconditions,suchasexceedingabsolutemaximumratingscancausethethermalshutdowncircuittonotoperateproperlyorICbreakdownbeforeoperation.

（2）HeatRadiationDesignInusinganICwithlargecurrentflowsuchaspoweramp,regulatorordriver,pleasedesignthedevicesothatheatisappropriatelyradiated,nottoexceedthespecifiedjunctiontemperature（Tj）atanytimeandcondition.TheseICsgenerateheatevenduringnormaluse.AninadequateICheatradiationdesigncanleadtodecreaseinIClife,deteriorationofICcharacteristicsorICbreakdown.Inaddition,pleasedesignthedevicetakingintoconsideratetheeffectofICheatradiationwithperipheralcomponents.（3）Back-EMFWhenamotorrotatesinthereversedirection,stopsorslowsdownabruptly,acurrentflowbacktothemotorspowersupplyduetotheeffectofback-EMF.Ifthecurrentsinkcapabilityofthepowersupplyissmall,thedevicesmotorpowersupplyandoutputpinsmightbeexposedtoconditionsbeyondabsolutemaximumratings.Toavoidthisproblem,taketheeffectofback-EMFintoconsiderationinsystemdesign.2014-10-0110TB6612FNGRESTRICTIONSONPRODUCTUSEToshibaCorporation,anditssubsidiariesandaffiliates（collectivelyTOSHIBA）,reservetherighttomakechangestotheinformationinthisdocument,andrelatedhardware,softwareandsystems（collectivelyProduct）withoutnotice.ThisdocumentandanyinformationhereinmaynotbereproducedwithoutpriorwrittenpermissionfromTOSHIBA.EvenwithTOSHIBAswr