AN41908A-AEB

AN41908A1Ver.BEB・Voltagedrivesystem256-stepmicrostepdrivers(2systems)(SuperlownoiseZoomandFocusdrive)・Built-inIriscontroller・Motorcontrolby4-lineserialdatacommunication・2systemsofopen-drainfordrivingLED・PCBspacesaving.・LowpowerconsumptionofIrisdrivebyPWM・44pinPlasticQuadFlatNon-leadedPackage(QFNType)・Camcorder,Security-cameraSIMPLIFIEDAPPLICATIONAPPLICATIONSFEATURESDESCRIPTIONLensDriverICforcamcorderandsecurity-cameraincorporatingIriscontrolAN41908AisalensmotordriverICforcamcorderandsecurity-camerafeaturingthefunctionsofIriscontrol.Voltagedrivesystemandseveraltorqueripplecorrectiontechniquesenablesuper-lownoisemicrostepdrive.Notes)Thisapplicationcircuitisanexample.Theoperationofmassproductionsetisnotguaranteed.Youshouldperformenoughevaluationandverificationonthedesignofmassproductionset.Youarefullyresponsiblefortheincorporationoftheaboveapplicationcircuitandinformationinthedesignofyourequipment.V+V–1234567891011OP3INPSENSOP3OUTREFAVDD3ADTESTINTESTOUTE2VDD5GND5OUTE11213141516171819202122N.C.OUTD2OUTD1MGNDBOUTC2OUTC1MVCCBOUTB2OUTB1OUTA2MVCCA4443424140393837363534PLS1SINVD_FZVD_ISRSTBOP4OUTOP4INNVREFGNDACREFINPLS22333323130292827262524MGNDAOUTA1N.C.SCKSOUTCSGNDDLED2LED1OSCINDVDDHallSensorH–H+0.1μF100pF0.1μF10kΩAVDD3(3.1V)MVDD5(4.8V)MVCCB(4.8V)MVCCA(4.8V)DVDD(3.1V)0.01μFNoiseLevel(dB)NoCorrectionWithCorrection-15-10-5051015202530352.50Hz32.50Hz62.50Hz92.50Hz122.50Hz152.50Hz182.50Hz212.50Hz242.50Hz272.50Hz302.50Hz332.50Hz362.50Hz392.50Hz422.50Hz452.50Hz482.50Hz512.50Hz542.50Hz572.50Hz602.50Hz632.50Hz662.50Hz692.50Hz722.50Hz752.50Hz782.50Hz812.50Hz842.50Hz872.50Hz902.50Hz932.50Hz962.50Hz992.50Hz-15-10-5051015202530352.50Hz32.50Hz62.50Hz92.50Hz122.50Hz152.50Hz182.50Hz212.50Hz242.50Hz272.50Hz302.50Hz332.50Hz362.50Hz392.50Hz422.50Hz452.50Hz482.50Hz512.50Hz542.50Hz572.50Hz602.50Hz632.50Hz662.50Hz692.50Hz722.50Hz752.50Hz782.50Hz812.50Hz842.50Hz872.50Hz902.50Hz932.50Hz962.50Hz992.50HzFrequency(Hz)Frequency(Hz)NoiseLevel(dB)SuperlownoiseZoomandFocusdrive.–10dBPublicationdate:November2012AN41908A2Ver.BEBABSOLUTEMAXIMUMRATINGS*3V–0.3to(DVDD+0.3)PLS1,PLS2,SOUT*3V–0.3to(AVDD3+0.3)OP3OUT,OP4OUT,SENS,VREFOutputVoltageRange—mA30LED1,LED2OutputCurrentRange*2°C–20to+125TjOperatingjunctiontemperature–0.3to+4.0DVDD*1V–0.3to+6.0VDD5Supplyvoltageformotorcontroller2*1V–0.3to+6.0MVCCA,MVCCBSupplyvoltageformotorcontroller1*1V–0.3to+4.0AVDD3Controllersupplyvoltage*3V–0.3to(DVDD+0.3)TEST,OSCIN,CS,SCK,SIN,VD_IS,VD_FZ,RSTB*2°C–55to+125TstgStoragetemperature—A/ch±0.25OUTA1,OUTA2,OUTB1,OUTB2,OUTC1,OUTC2,OUTD1,OUTD2Motordriver1(focus,zoom)Hbridgedrivecurrent(DCcurrent)*2,*4°C–20to+85ToprOperatingambienttemperature—A/ch±0.4IM(pulse)InstantaneousHbridgedrivecurrent*3V–0.3to(AVDD3+0.3)OP3INP,OP4INN,ADTESTIN,REF,CREFINInputVoltageRange—kV±2HBM(HumanBodyModel)ESD—kV±1CDM(ChargeDeviceModel)NoteUnitRatingSymbolParameter—A/ch±0.15OUTE1,OUTE2Motordriver2(iris)Hbridgedrivecurrent(DCcurrent)Notes).Thisproductmaysustainpermanentdamageifsubjectedtoconditionshigherthantheabovestatedabsolutemaximumrating.Thisratingisthemaximumratinganddeviceoperatingatthisrangeisnotguaranteeableasitishigherthanourstatedrecommendedoperatingrange.Whensubjectedundertheabsolutemaximumratingforalongtime,thereliabilityoftheproductmaybeaffected.*1:Thevaluesundertheconditionnotexceedingtheaboveabsolutemaximumratingsandthepowerdissipation.*2:Exceptforthepowerdissipation,operatingambienttemperature,andstoragetemperature,allratingsareforTa=25°C.*3:(DVDD+0.3)Vmustnotbeexceeded4.0Vand(AVDD+0.3)Vmustnotbeexceeded4.0V.*4:ThepowerdissipationshownisthevalueatTa=85°Cfortheindependent(unmounted)ICpackagewithoutaheatsink.WhenusingthisIC,refertothePD-Tadiagramofthepackagestandardanddesigntheheatradiationwithsufficientmarginsothattheallowablevaluemightnotbeexceededbasedontheconditionsofpowersupplyvoltage,load,andambienttemperature.AN41908A3Ver.BEBRECOMMENDEDOPERATINGCONDITIONS*2VDVDD+0.3－–0.3PLS1,PLS2,SOUT*2VAVDD3+0.3－–0.3OP3OUT,OP4OUT,SENS,VREFOutputVoltageRange*1mA30－－LED1,LED2*1A0.15－－0.15OUTE1,OUTE2*1A0.25－－0.25OUTA1,OUTA2,OUTB1,OUTB2,OUTC1,OUTC2,OUTD1,OUTD2OutputCurrentRange—μF0.01COP3INP*1V3.63.12.7AVDD3,DVDD*2VDVDD+0.3－–0.3TEST,OSCIN,CS,SCK,SIN,VD_IS,VD_FZ,RSTB—kΩ10RREF—μF0.1CREFIN—pF100CVREF—μF0.1COP4OUTExternalConstants－4.8Typ.—°C85-20TaoprOperatingambienttemperature*2VAVDD3+0.3–0.3OP3INP,OP4INN,ADTESTIN,REF,CREFINInputVoltageRange3.0Min.*1V5.5MVCCA,MVCCB,VDD5SupplyvoltagerangeNoteUnitMax.SymbolParameterCAUTIONAlthoughthishaslimitedbuilt-inESDprotectioncircuit,butpermanentdamagemayoccuronit.Therefore,properESDprecautionsarerecommendedtoavoidelectrostaticdamagetotheMOSgates0.765W1.392W71.8℃/WMountonPWB*10.194W0.353W282.9℃/WWithoutPWBPD(Ta=70°C)PD(Ta=25°C)θJAConditionPOWERDISSIPATIONRATINGNote).Fortheactualusage,pleaserefertothePD-Tacharacteristicsdiagraminthepackagespecification,supplyvoltage,loadandambienttemperatureconditionstoensurethatthereisenoughmarginfollowthepowerandthethermaldesigndoesnotexceedtheallowablevalue.*1:Glass-Epoxy:50×50×0.8(mm),heatdissipationfin:Dai-pad,thestatewher