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DATASHEETProductspecificationFileunderIntegratedCircuits,IC04January1995INTEGRATEDCIRCUITSHEF4752VLSIA.C.motorcontrolcircuitForacompletedatasheet,pleasealsodownload:•TheIC04LOCMOSHE4000BLogicFamilySpecificationsHEF,HEC•TheIC04LOCMOSHE4000BLogicPackageOutlines/InformationHEF,HECJanuary19952PhilipsSemiconductorsProductspecificationA.C.motorcontrolcircuitHEF4752VLSIDESCRIPTIONTheHEF4752Visacircuitfora.c.motorspeedcontrolutilizingLOCMOStechnology.Thecircuitsynthesizesthree120°outofphasesignals,ofwhichtheaveragevoltagevariessinusoidallywithtimeinthefrequencyrange0to200Hz.Themethodemployedisbaseduponthepulsewidthmodulationprinciple,inordertoachieveasufficientaccuracyoftheoutputvoltagesoverthewholefrequencyrange.Apuredigitalwaveformgenerationisused.Alloutputsareofthepush-pulltype.Inputsandoutputsareprotectedagainstelectrostaticeffectsinawidevarietyofdevice-handlingsituations.However,tobetotallysafe,itisdesirabletotakehandlingprecautionsintoaccount.Fig.1Pinningdiagram.PINNINGInputs;groupIInputs;groupIIOutputs;groupIOutputs;groupIISUPPLYVOLTAGE24=Ldata25=Idata7=Kdata5=CWdata13=Adata15=Bdata16=Cdata12=FCTfrequencyclock17=VCTvoltageclock4=RCTreferenceclock6=OCToutputdelayclock23=RSYNR-phasesynchronization26=VAVaveragevoltage18=CSPcurrentsamplingpulses8=ORM1R-phasemain9=ORM2R-phasemain10=ORC1R-phasecommutation11=ORC2R-phasecommutation22=OYM1Y-phasemain21=OYM2Y-phasemain20=OYC1Y-phasecommutation19=OYC2Y-phasecommutation3=OBM1B-phasemain2=OBM2B-phasemain1=OBC1B-phasecommutation27=OBC2B-phasecommutationRATINGRECOMMENDEDOPERATINGHEF4752V-0,5to184,5to12,5VJanuary19953PhilipsSemiconductorsProductspecificationA.C.motorcontrolcircuitHEF4752VLSIFAMILYDATASeeFamilySpecificationsHEF4752VP(N):28-leadDIL;plastic(SOT117-2)HEF4752VD(F):28-leadDIL;ceramic(cerdip)(SOT135)():PackageDesignatorNorthAmericaJanuary19954PhilipsSemiconductorsProductspecificationA.C.motorcontrolcircuitHEF4752VLSIDCCHARACTERISTICSVSS=0VPARAMETERVDDVSYMBOLTamb(°C)UNITCONDITIONS-40+25+85MIN.MAX.MIN.MAX.MIN.MAX.Quiescentdevicecurrent5IDD-50-50-375μAallvalidinputcombinations;10-100-100-750μAVI=VSSorVDDInputleakagecurrent10±IIN---0,3-1μAVI=0or10VInputvoltageHIGH5VIH3,5-3,5-3,5-Vinputs:groupI107,0-7,0-7,0-VInputvoltageLOW5VIL-1,5-1,5-1,5Vinputs:groupI10-3,0-3,0-3,0VOutputvoltageHIGH5VOH4,95-4,95-4,95-VVI=VSSorVDD;⎢IO⎟1μA109,95-9,95-9,95-VOutputvoltageLOW5VOL-0,05-0,05-0,05VVI=VSSorVDD;⎢IO⎟1μA10-0,05-0,05-0,05VInputtrippinglevel;5Vti1,54,01,54,01,54,0Vinputs:groupIIinputvoltageincreasing103,08,03,08,03,08,0VInputtrippinglevel;5Vtd1,03,51,03,51,03,5Vinputs:groupIIinputvoltagedecreasing102,07,02,07,02,07,0VOutputcurrentLOW5IOL0,45-0,38-0,3-mAVOL=0,4Voutputs:groupsIandII101,4-1,17-0,9-mAVOL=0,5VOutputcurrentHIGH5-IOH0,3-0,25-0,2-mAVOH=4,6Voutputs:groupI100,9-0,75-0,6-mAVOH=9,5VOutputcurrentHIGH5-IOH0,9-0,75-0,6-mAVOH=2,5Voutputs:groupIOutputcurrentHIGH5-IOH0,6-0,5-0,4-mAVOH=4,6Voutputs:groupsII101,8-1,5-1,2-mAVOH=9,5VOutputcurrentHIGH5-IOH1,8-1,5-1,2-mAVOH=2,5Voutputs:groupIITotalsupplycurrent10Itot--typ.2---mAIOL=IOH=0;frequencyappliedtoinputs;FCT=700kHz;VCT=400kHz;RCT=400kHzJanuary19955PhilipsSemiconductorsProductspecificationA.C.motorcontrolcircuitHEF4752VLSIAPPLICATIONINFORMATIONFigure2showsthefunctionalblockdiagramofa3-phasea.c.motorspeedcontrolsystemusingathyristorizedinverterwithvariablefrequencyoutput.TheinvertercontrolsignalsaregeneratedbytheHEF4752V(PWM-IC).AspecialfeatureofthePWM(Pulse-WidthModulation)-ICishere,thatthemotorissuppliedbysinoidallymodulatedpulses,hencetheresultingmotorcurrentwillapproachasine-wavewithaminimumonhigherharmonics.Inthisway,anoptimumspeeddrivewithhighperformanceisobtained.Furthermore,theHEF4752Vcontainsalllogiccircuitryrequiredforthisspecialwaveformgeneration,sothattheamountofcontrolcircuitcomponentsisreducedconsiderable.ThespeeddrivesysteminFig.2iscontrolledbytheanaloguecontrolsection.TheFCTandVCTclockpulseoscillatorsaredriveninsuchaway,thatafastresponsespeedcontrolofthea.c.motorisobtained,dependingon:thereferencevaluesforspeed;motorvoltage;motorcurrent(LimitedbythemeasuredmotorcurrentviaDCCT-d.c.currenttransformer-);theincreasingvalueofVCbduringbrakingaction.Fig.2PWMmotorspeedcontrolsystemusingHEF4752V.January19956PhilipsSemiconductorsProductspecificationA.C.motorcontrolcircuitHEF4752VLSIFig.3ApplicationofHEF4752VinabasiccircuitconfigurationforACmotorcontrol.
本文标题:HEF4752VPN中文资料
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