东芝最新步进电机驱动芯片TB6600HQHG

1、TOSHIBA北京时代超群TB6600HQ #2011-06-14 2011-06-14TOSHIBABiCDIntegratedCircuitSiliconMonolithicTB6600HQPWMChopper-TypebipolarSt即pingMotorDriverICTB6600HQTheTB6600HQisaPWMchoppertypesingle-chipbipolarsinusoidalmicro-stepsteppingmotordriver.HZIP25-1.00FForwardandreverserotationcontrolisav次ilablewith2-phase,

2、2-phase,Wl-2-phase,2Wl-2-phase.and4Wl-2-phaseexcitationmodesphasebipolar-typesteppingmotorcanbedrivenbyonlyclocksignalwithlowvibrationandhighefficiency.FeaturesSingle-chipbipolarsinusoidalmicro-stepsteppingmotordriverWeight-HZIP25-1.00F：7.7g(typ.)BiCD0.13(50V)processRon(upper+lower)=0.4Q.(typ)Forwar

3、dandreverserotationcontrolavailableSelectablephasedrive(1/1,1/2,1/4,1/8,and1/16step)Outputwithstandvoltage-Vcc二50VOutputcurrent-IOUT二5.0A(absolutemaximumratings,peak,within100ms)IOUT=4.5A(operatingrange,maximalvalue)Packages：HZIP25-1.00FBuilt-ininputptill-downresistance-100kQ(typ.)Outputmonitorpins(

4、ALERT)-MaximumofIALERT二1mAOutputmonitorpins(MO)-MaximumofImo=1mAEquippedwithresetandenablepinsStandbyfunctionSinglepowersupplyBuilt-inthermalshutdown(TSD)circuitBuilt-inundervoltagelockout(UVLO)circrntBuilt-inover-currentdetection(ISD)circuit北京时代超群已批量供应此芯片，并可提供评估板、测试样品和方案开发等电话：O1O-B7197282/6718BQ22手

5、机：边0022713911000617QQ14831535263830074TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014BlockDiagramVregMOALERTVCCASGNDPGNDAPGNDBSettingofVrefInputVoltageratioTQL30%H100%TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 20

6、11-06-141VI014PinFunctionsPinNo.I/OSymbolFunctionalDescriptionRemark1OutputALERTTSD/ISDmonitorpinPull-upbyexternalresistanee2SGNDSignalground3InputTQTorque(outputcurrent)settinginputpin4InputLatch/AutoSelectareturntypeforTSDandISD.L:Latch,H:Automaticreturn5InputVrefVoltageinputfor100%currentlevel6In

7、putVccBBchannelPowersupply7InputM1Excitationmodesettinginputpin8InputM2Excitationmodesettinginputpin9InputM3Excitationmodesettinginputpin10OutputOUT2BBchanneloutput211NfbBchanneloutputcurrentdetectionpin12OutputOUT1BBchanneloutput113PGNDBPowerground14OutputOUT2AAchanneloutput215NfaAchanneloutputcurr

8、entdetectionpin16OutputOUT1AAchanneloutput117PGNDAPowerground18InputENABLEEnablesignalinputpinH:Enable,L:Alloutputsoff19InputRESETResetsignalinputpinL:Initialmode20InputVccAAchannelPowersupply21InputCLKCLKpulseinputpin22InputCW/CCWForward/reversecontrolpinL:CW,H:CCW23OSCResistorconnectionpinforinter

9、naloscillationsetting24OutputVregControlsideconnectionpinforpowercapacitorConnectingcapacitortoSGND25OutputMOElectricalanglemonitorpinPull-upbyexternalresistaneeInputpins(M1.M2,M3,CLK,CW/CCW,ENABLE,RESET,TQ,Latch/Auto)AbsoluteMaximumRatings(Ta=25C)CharacteristicSymbolRatingUnitPowersupplyvoltagevcc5

10、0VOutputcurrent(peronephase)Io(PEAK)5.0/phase(Note1)ADraincurrent(ALERT,DOWN)I(ALERT)1mAI(MO)InputvoltageV|N6VPowerdissipationPd3.2(Note2)W40(Note3)OperatingtemperatureTopr30to85CStoragetemperatureTstg55to150CNote1:T=100msNote2:Ta=25C,NoheatsinkNote3:Ta=25C,withinfiniteheatsink.Theabsolutemaximumrat

11、ingsofasemiconductordeviceareasetofratingsthatmustnotbeexceeded,evenforamoment.Donotexceedanyoftheseratings.Exceedingtherating(s)maycausethedevicebreakdown,damageordeterioration,andmayresultinjurybyexplosionorcombustion.PleaseusetheICwithinthespecifiedoperatingranges.OperatingRange(Ta=25C)Characteri

12、sticSymbolTestConditionMinTyp.MaxUnitPowersupplyvoltageVcc8.045VOutputcurrentOUT4.5AInputvoltageV1N05.5VVref0.33.5VClockfrequencyfCLK200kHzChoppingfrequencyfchop(kQ)RoseOUT2A:ForwarddirectionOUT1BOUT2B:Forwarddirection100%currentsettings(Currentvalue)100%currentvalueisdeterminedbyVrefinputtedfromext

13、ernalpartandtheexternalresistancefordetectingoutputcurrent.Vrefisdoubled1/3insideIC.Io(100%)=(1/3xVreO-RnfTheaveragecurrentislowerthanthecalculatedvaluebecausethisIChasthemethodofpeakcurrentdetection.Rnfshouldbe0.2Qormore.OSCTrianglewaveisgeneratedinternallybyCRoscillationbyconnectingexternalresisto

14、rtoOSCterminal.Rose-(kQ)RosepredefinedcurrentlevelinMixedDecaymodePredefinedCurrentLevelout40%FastDECAYMODEtheRNFpoint,thecurrentcontrolmodeisbrieflyswitchedtoChargemodeforcurrentsensing.TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014CurrentDraw-outPathwhenENABLEisInputinMidOperati

15、onWhen次11theoutputtransistors次reforcedOFFduringSlowmode,thecoilenergyisdrawnoutinthefollowingmodes：Note:Parasiticdiodesareindicatedonthedesignedlines.However,thesearenotnormallyusedinMixedDecaymode.U1L1ON丛VMtefNo-U2U1OFFOFFL1OFFONIIIIBIBBPGNDChargeModeSlowModeVMLtefNo一ENABLEisinput.1A丛mPGNDForceOFFM

16、odeU2OFFL2卜OFFAsshowninthefigureabove,anoutputtransistorhasparasiticdiodes.Normally,whentheenergyofthecoilisdrawnout,eachtransistoristurnedONandthepowerflowsintheopposite-to-normaldirection；asaresult,theparasiticdiodeisnotused.However,whenalltheoutputtransistorsareforcedOFF,thecoilenergyisdrawnoutvi

17、atheparasiticdiode.TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI014OutputStageTransistorOperationModeVM八VMVMLU1OFFL1ONNoteU2U1OFFOFF丄r2I017adLo:耳arm4Load邓；0TJ7U2OFFL2FONU1OFFL1ONd丄PGNDChargeMode/77PGNDSlowModeU2ONOFFPGNDFastModeTOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-

18、06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014OutputStageTransistorOperationFunctionsCLKU1U2L1L2CHARGEONOFFOFFONSLOWOFFOFFONONFASTOFFONONOFFNote:Theabovechartshowsanexampleofwhenthecurrentflowsasindicatedbythearrowsintheabovefigures.Ifthecurrentflowsintheoppositedirect

19、ion,refertothefollowingchart:CLKU1U2L1L2CHARGEOFFONONOFFSLOWOFFOFFONONFASTONOFFOFFONUpontransitionsofabove-mentionedfunctions,adeadtimeofabout300ns(Designt次rgetvalue)isinsertedrespectively.TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014MeasurementWaveformCLKtCLKHtCLKHtCLKLFigure1Ti

20、mingWaveformsandNamesTOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI014Latch/AutoInputpinfordeterminingthereturnmethodofTSDandISD.IfLatch/Autopinoutputslow,TSDandISDfunctionsreturnbyeitherofturningonpowersupplyagainorpr

21、ogrammingtheENABLEasHLH.IfLatch/Autopinoutputshigh,theyreturnautomatically.Instandbymode,TSDfunctionreturnsautomaticallyandISDfunctioncannotoperateregardlessofthestateoftheLatch/Autopin.WhenpowersupplyvoltageVccAandVccBarelessthan8VTSDandISDfunctionscannotoperateregardlessofthestateoftheLatch/Autopi

22、n.ThermalShut-Downcircuit(TSD)(1)Automaticreturn(Note)(Not)TSD=170C(typ.)ATSD=40C(typ.)Incaseofautomaticreturn,thereturntimingisadjustedatchargestartoffshopafterthetemperaturefallstothereturntemperature(Itis130C(typ.)intheabovefigure).Automaticreturnhasatemperaturehysteresisshownintheabovefigure.Itr

23、eturnsaftertimepassesbetween1stand2ndfrequency(fchop).(2)LatchreturnTSD=170C(typ)土10C(Note)ALERToutputOutputonOutputoffOutputon170C(typ.)JunctiontemperatureOutputstateHENABLEinput4dividingfrequencyofOSC:150CLK0.15ms(typ.),0.3ms(max.)TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014T

24、OSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014TheoperationreturnsbyprogrammingtheENABLEasHLHshowninabovefigureorturningonpowersupplyandturningonUVLOfunction.Note:Pre-shipmenttestingisnotperformed.StateofinternalICwhenTSDcircuitoperates.StatesofinternalICandoutputcorrespondtothesta

25、teinENABLEmode.Afterareturn.thetimingofoutputisnotdetermined.ItisthesameasthecasethatENABLEmodeisreset.Operationcanstartfrominiti次1modebysettingtheresetlowlevel.ISD(Overcurrentdetection)CurrentthatflowthroughoutputpowerMOSFETs次remonitoredindividually.Ifover-currentisdetectedinatleastoneofalloutputpo

26、werMOSFETs,alloutputpowerMOSFETsareturnedoffthenthisstatusiskeptuntilENABLEsignalisinput.Targetvalueindesignis6.5A.Pulseof0.15msormoreshouldberecognized.Maskingtermof4ps(typ.)shouldbeprovidedinordertoprotectdetectionerrorbynoise.ISD=6.5A0.15A(Note)TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #20

27、11-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 2011-06-141VI014(1)Automaticreturn6.5A(typ.)OutputpowerMOSFETdraincurrentInsensitive:Iipsensitivei:：lnsensitiVePeriod；Period；Period4MS(typ.):MS(typ.):4ps(typ*):Outputstate：OutputonOutputoff；Outputon!Outputoff:OutputonTOC o 1-5 h z:；Offper

28、iod；!OffperiodPWMJrequency1or2PWMfrequency=1or2；periods；periods；(25to50MS(tyj)(2to50ps(t、jp)HALERToutputOperationreturnsautomaticallyafteroffperiodshowninabovefigure.(1)Latchreturn4ms(typ.)Outputstate1WWOutputon:Outputoff:OutputonH=ALERToutputHENABLEinput4dividingfrequencyofOSC:150CLK0.15ms(typJ,0.3

29、ms(max.)TheoperationreturnsbyprogrammingtheENABLEasHLHshowninabovefigureorturningonpowersupplyandturningonUVLOfunction.Note:Pre-shipmenttestingisnotperformed.StateofinternalICwhenISDcircuitoperates.StatesofinternalICandoutputcorrespondtothestateinENABLEmode.Afterareturn.thetimingofoutputisnotdetermi

30、ned.ItisthesameasthecasethatENABLEmodeisreset.Operationcanstartfrominiti次1modebysettingtheresetlowlevel.UnderVoltageLockOut(UVLO)circuitOutputsareshutoffbyoperatingat5.5V(Typ.)ofVccorless.Ithasahysteresisof0.5V(Typ.)andreturnstooutputwhenVccreaches6.0V(Typ).StateofinternalICwhenUVLOcircuitoperates.T

31、hestatesoftheinternalICandoutputscorrespondtothestateintheENABLEmodeandtheinitialmodeatthesametime.Afterareturn.itcanstartfromtheinitialmode.WheneitherofVccAorVccBfallsto次round5.5VandUVLOoperates,outputturnsoff.ItrecoversautomaticallyfromtheinitialmodewhenbothVccrisetoaround6.0Vormore.TOSHIBATB6600H

32、QTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014ALERToutputALERTterminaloutputsindetectingTSDorISD.ALERTterminalisconnectedtopowersupplyexternallyviapull-upresistance.Valert=0.5V(max.)at1niATSDISDALERTUnderTSDdetectionUnderTSDdetectionLowNormalUnderTSDdetectionUnderTSDdetectionNormalNormalNormalZ

33、OpendrainconnectionTOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014OpendrainconnectionAppliedvoltagetopull-upresistanceisupto5.5V.Andconductedcurrentisupto1mA.MOoutputMOturnsonatthepredeterminedstateandoutputlow.MOterminalisconnectedtopowersupplyexternallyviapiill-upresistance.Vmo=

34、0.5V(max.)at1niAStateMOInitialLowNotinitialZAppliedvoltagetopull-upresistanceisupto5.5V.Andconductedcurrentisupto1mA.Itisrecommendedtogain5Vbyconnectingtheexternalpull-upresistaneetoVregpin.Voltagepull-upofMOandALERTpinsItisrecommendedtopiill-upvoltagetoVregpin.Incaseofpull-uptoexcept5V(forinstance,

35、3.3Vetc),itisrecommendedtouseotherpowersupply(ex.3.3V)whileVccAandVccBoutputbetweentheoperationrange.WhenVccAandVccBdecreaselowerthantheoperationrangeandVregdecreasesfrom5Vto0Vundertheconditionthatotherpowersupplyisusedtopull-upvoltage.thecurrentcontinuestoconductfromotherpowersupplytotheICinsidethr

36、oughthediodeshowninthefigure.ThoughthisphenomenondoesnotcausedestructionandmalfunctionoftheIC,pleaseconsiderthesetdesignnottocontinuesuchastateforalongtime.Asforthepull-upresistanceforMOandALERTpins,pleaseselectlargeresistanceenoughfortheconductingcurrentsoasnottoexceedthestandardvalueof1mA.Pleaseus

37、etheresistanceof30kQormoreincaseofapplying5V.and20kQormoreincaseofapplying3.3V.TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014Sequenceineachexcitationmode1/1-stepExcitationMode(M1:L,M2:L,M3:H,CWMode)1/1-stepExcitation

38、Mode(M1:L,M2:L,M3:H,CCWMode)Itoperatesfromtheinitialstateaftertheexcitationmodeisswitched.TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI0141/2-stepExcitationMode(Atype)(M1:L,M2:H,M3:L,CWMode)TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB660

39、0HQ #2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI0141/2-stepExcitationMode(Atype)(M1:L,M2:H,M3:L,CCWMode)TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014TOSHIBATB6

40、600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014t2ts：IaTOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014Itoperatesfromtheinitialstateaftertheexcitationmodeisswitched.TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI

41、014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI0141/2-stepExcitationMode但type)(M1:L,M2:H,M3:H,CWMode)1/2-stepExcitationMode但type)(M1:L,M2:H,M3:H,CCWMode)Itoperatesfromtheinitialstateaftertheexcitationmodeisswitched.TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014

42、 2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI0141/4-stepExcitationMode(M1:H,M2:L,M3:L,CWMode)1/4-stepExcitationMode(M1:H,M2:L,M3:L,CCWMode)Itoperatesfromtheinitialstateaftertheexcitationmodeisswitched.TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014

43、TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI0141/8-StepExcitationMode(M1:H,M2:L,M3:H,CWMode)Itoperatesfromtheinitialstateaftertheexcitationmodeisswitched.TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141V

44、I014Ia1/8StepExcitationMode(M1:H,M2:L,M3:H,CCWMode)TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014ItoperatesfromtheinitialstateaftertheexcNationmodeisswitched.TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06

45、-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI0141/16-stepExcitationMode(M1:H,M2:H,M3:L,CWMode)Itoperatesfromtheinitialstateaftertheexcitationmodeisswitched.TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #20

46、11-06-141VI0141/16-stepExcitationMode(M1:H,M2:H,M3:L,CCWMode)Itoperatesfromtheinitialstateaftertheexcitationmodeisswitched.TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014Currentlevel2-phase,1-2-phase.Wl-2-phase.2Wl-2-phase,4Wl-2-phaseexcitation(unit:%)Currentlevel(1/16,1/8,1/4,1/2,

47、1/1)1/16,1/&1/4,1/2,1/1Min.Typ.Max.Unit016100.001595.599.5100.061494.198.1100.001391.795.799.701288.492.496.401184.288.292.2eio9973.377.381.30866.770.774.7%0759.463.467.49651.655.659.6950434.338.342.30325.029.033.00215.519.523.5915.89.813.8900.0K)PowerD_ssipaionTB6600HQPov/er

48、dissipationPn%e/InfinrteheatsinkRej-c-VC/WHEATSINK(R0HS-3.59/W)R9j-cR6HS4.5GWIConlyRGj-a39-C.W/11/11t1/25507580125soAmbienitemperacre衬(6)TB6600HQTOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VIO14 #2011-06-141VIO14HowtoTurnonthePowerInturningonandoffthepower,abnormaloutputisnotrecognized.Supplymonitorin

49、gcircuitisaddedmnecessary.ICisnotdamagedincasetheorderofturningonthepowermethodisnotcorrect.Vrefiswithintheoperationrangewheneachinputterminal(Ml,M2,M3,CLK,CW/CCW,ENABLE,RESET,DCY.TQ.andLateh/Auto)ishighorlowlevelandICisnotdamagedinturningonthepower.Thefollowingisanexample.Thesequenceofturningonthep

50、owerisnotrestrictedandICisnotdamagedwheneachinputpinoutputshighandthepowersupplypinoutputs0V.(Example1)：ENABLE二High一RESET=High(Example2)：RESET=High-ENABLE二HighInexample1,motorcanstartdrivingfromtheinitialmode.厂(1)CLK:CurrentstepproceedstothenextmodewithrespecttoeveryrisingedgeofCLK.、ENABLE:ItisinHi-

51、Zstateinlowlevel.Itisoutputinhighlevel.RESET:Itisintheinitialmode(PhaseA100%andPhaseB%)inlowlevel.ENABLE二LowandRESET二Low】Hi-Z.Internalcurrentsettingisininitialmode.ENABLE二LowandRESET=High:Hi-Z.Internalcurrentsettingproceedsbyinternalcounter.ENABLE二HighandRESET二Low:Outputintheinitialmode(PhaseA100%an

52、dPhaseB%).ENABLE=HighandRESET二High:Outputatthevaluewhichisdeterminedbytheinternalcounter.丿(Example1)(Example2)CLKRLTUnjFLrLTLRESET|i*ENABLE：1*VInternalcurrentsetOutputcurrent(PhaseA)1r111Vni1H11i1H1iTOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 2011-06-141VI014ApplicationCircuitSGNDPGNDAPGNDBTOSH

53、IBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014Note1:CapacitorsforthepowersupplylinesshouldbeconnectedasclosetotheICaspossible.Note2:Currentdetectingresistances(RnfaandRnfb)shouldbeconnectedasclosetotheICaspossible.Exte

54、rnalcapacitorconnectedtoVreg:CMpFTOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 #2011-06-141VI014PackageDimensionsUnit:mm41丄丄II2,4TYP,JOe.0巴bol629.3MAX28.80.2njTOSHIBATB6600HQTOSHIBATB6600HQ #2011-06-141VI014 #2011-06-141VI014TOSHIBATB6600HQTOSHIBATB6600HQ 2011-06-141VI014 2011-06-141VI01415Weight:

55、7.7g(typ.)NotesonContentsBlockDiagramsSomeofthefunctionalblocks,circuits,orconstantsintheblockdiagrammaybeomittedorsimplifiedforexplanatorypurposes.EquivalentCircuitsTheequivalentcircuitdiagramsmaybesimplifiedorsomepartsofthemmaybeomittedforexplanatorypurposes.TimingChartsTimingchartsmaybesimplified

56、forexplanatorypurposes.ApplicationCircuitsTheapplicationcircuitsshownmthisdocument次reprovidedforreferencepurposesonly.Thoroughevaluationisrequired,especiallyatthemassproductiondesignstage.Toshibadoesnotgrantanylicensetoanyindustrialpropertyrightsbyprovidingtheseexamplesofapplicationcircuits.TestCirc

57、uitsComponentsinthetestcircuitsareusedonlytoobtainandconfirmthedevicecharacteristics.Thesecomponentsandcircmtsarenotguaranteedtopreventmalfunctionorfailurefromoccurringmtheapplicationequipment.ICUsageConsiderationsNotesonhandlingofICsTheabsolutemaximumratingsofasemiconductordeviceareasetofratingstha

58、tmustnotbeexceeded,evenforamoment.Donotexceedanyoftheseratings.Exceedingtherating(s)maycausethedevicebreakdown,damageordetenoration.andmayresultinjurybyexplosionorcombustion.Useanappropriatepowersupplyfusetoensurethata1次rgecurrentdoesnotcontinuouslyflowincaseofovercurrentand/orICfailure.TheICwillful

59、lybreakdownwhenusedunderconditionsthatexceeditsabsolutemaximumratings,whenthewiringisroutedimproperlyorwhenanabnorm次1pulsenoiseoccursfromthewiringorload,causingalargecurrenttocontinuouslyflowandthebreakdowncanleadsmokeorignition.Iominimizetheeffectsoftheflowofalargecurrentincaseofbreakdown.appropria

60、tesettings,suchasfusecapacity,fusingtimeandinsertioncircuitlocation.arerequired.Ifyourdesignincludesaninductiveloadsuchasamotorcoil.incorporateaprotectioncircuitmtothedesigntopreventdevicemalfunctionorbreakdowncausedbythecurrentresultingfromtheinrushcurrentatpowerONorthenegativecurrentresultingfromt