SLA7024中文资料

TheSLA7024M,SLA7026M,andSMA7029Maredesignedforhigh-efficiencyandhigh-performanceoperationof2-phase,unipolarsteppermotors.Anautomated,innovativepackagingtechnologycombinedwithpowerFETsandmonolithiclogic/controlcircuitryad-vancespowermulti-chipmodules(PMCMs™)towardthecompleteintegrationofmotioncontrol.Highlyautomatedmanufacturingtech-niquesprovidelow-costandexceptionallyreliablePMCMssuitableforcontrollinganddirectlydrivingabroadrangeof2-phase,unipolarsteppermotors.Thethreesteppermotormulti-chipmodulesdifferprimarilyinoutputcurrentratings(1.5Aor3.0A)andpackagestyle.AllthreePMCMsareratedforanabsolutemaximumlimitof46VandutilizeadvancedNMOSFETsforthehigh-current,high-voltagedriveroutputs.Theavalanche-rated(≥100V)FETsprovideexcellentONresistance,improvedbodydiodes,andvery-fastswitching.Themulti-chipratingsandperformanceaffordsignificantbenefitsandadvantagesforstepperdriveswhencomparedtothehigherdissipationandslowerswitchingspeedsassociatedwithbipolartransistors.Normally,heatsinksarenotrequiredfortheSLA7024MorSMA7029M.TheSLA7026M,indemanding,higher-currentsystemsdesigns,necessitatessuitableheattransfermethodsforreliableoperation.Completeapplicationsinformationisgivenonthefollowingpages.PWMcurrentisregulatedbyappropriatelychoosingcurrent-sensingresistors,avoltagereference,avoltagedivider,andRCtimingnet-works.TheRCcomponentslimittheOFFintervalandcontrolcurrentdecay.Inputsarecompatiblewith5Vlogicandmicroprocessors.BENEFITSANDFEATURESnCost-Effective,Multi-ChipSolutionn‘Turn-Key’Motion-ControlModulenMotorOperationto3Aand46Vn3rdGenerationHigh-VoltageFETsn100V,Avalanche-RatedNMOSnLowrDS(on)NMOSOutputsnAdvanced,ImprovedBodyDiodesnSingle-SupplyMotor/ModuleOperationSMA7029MHIGH-CURRENTPWM,UNIPOLARSTEPPERMOTORCONTROLLER/DRIVERSDataSheet28201Alwaysorderbycompletepartnumber:PartNumberPackageOutputCurrentSLA7024M18-LeadPower-TabSIP1.5ASLA7026M18-LeadPower-TabSIP3.0ASMA7029M15-LeadSIP1.5AABSOLUTEMAXIMUMRATINGSatTA=+25°CLoadSupplyVoltage,VBB............46VFETOutputVoltage,VDS...........100VControlSupplyVoltage,VCC..........46VPeakOutputCurrent,IOUTM(tw≤100μs)SLA7024M.....................3.0ASLA7026M.....................5.0ASMA7029M....................3.0AContinuousOutputCurrent,IOUTSLA7024M.....................1.5ASLA7026M.....................3.0ASMA7029M....................1.5AInputVoltageRange,VIN....-0.3Vto7.0VReferenceVoltage,VREF...........2.0VPackagePowerDissipation,PD.SeeGraphJunctionTemperature,TJ.........+150°COperatingTemperatureRange,TA....................-20°Cto+85°CStorageTemperatureRange,Tstg..................-40°Cto+150°CnHalf-orFull-StepUnipolarDrivenHigh-Efficiency,High-SpeedPWMnDualPWMCurrentControl(2-Phase)nProgrammablePWMCurrentControlnLowComponentCountPWMDrivenLowInternalPowerDissipationnHeatSinking(Normally)UnnecessarynElectricallyIsolatedPowerTabnLogicIC-andμP-CompatibleInputsnMachine-InsertablePackageREFERENCEAVREF123456789101112131415Dwg.PK-007OUTAOUTBSENSEAGROUNDAVREFVCC++OUTACONTROL/LOGICOUTBGROUNDBREFERENCEBCNTRLSPLYINAINBSENSEBOFFDELAYAOFFDELAYBCONTROL/LOGIC™SLA7024M,SLA7026M,ANDSMA7029M115NortheastCutoff,Box15036Worcester,Massachusetts01615-0036(508)853-5000™SLA7024M,SLA7026M,ANDSMA7029MHIGH-CURRENTPWM,UNIPOLARSTEPPERMOTORCONTROLLER/DRIVERSSLA7024MandSLA7026MFUNCTIONALBLOCKDIAGRAMNotethatchannelsAandBareelectricallyisolated.SMA7029MFUNCTIONALBLOCKDIAGRAMNotethatexceptforthecontrolsupply,channelsAandBareelectricallyisolated.+13Dwg.FK-005-1+812915101411REG.85324671VCCSENSEGROUNDOFF-TIMEDELAYCONTROLSUPPLYINA/BOUTA/BOUTA/BREFERENCECHANNELAPINNUMBERSCHANNELBPINNUMBERS+14Dwg.FK-005+1215101118161713REG.765324198VCCINA/BSENSEGROUNDOFF-TIMEDELAYCONTROLSUPPLYINA/BOUTA/BOUTA/BREFERENCECHANNELAPINNUMBERSCHANNELBPINNUMBERSCopyright©1994AllegroMicroSystems,Inc.ALLOWABLEPACKAGEPOWERDISSIPATIONSLA7024MandSLA7026MELECTRICALCHARACTERISTICSatTA=+25°CLimitsCharacteristicSymbolTestConditionsMinTypMaxUnitsFETLeakageCurrentIDSSVDS=100V,VCC=44V——4.0mAFETONVoltageVDS(ON)(SLA7024M&SMA7029M)VCC=14V,IOUT=1A——600mV(SLA7026M)VCC=14V,IOUT=3A——850mVFETONResistancerDS(on)(SLA7024M&SMA7029M)VCC=14V,IOUT=1A——600mΩ(SLA7026M)VCC=14V,IOUT=3A——285mΩBodyDiodeVSD(SLA7024M&SMA7029M)IOUT=–1A—0.91.5VForwardVoltage(SLA7026M)IOUT=–3A—0.91.6VControlSupplyVoltageVCCOperating102444VControlSupplyCurrentICCVCC=44V—1015mAInputCurrentIIN(H)VCC=44V,VIN=2.4V——40μAIIN(L)VIN=0.4V——-800μAInputVoltageVIN(H)2.0——VVIN(L)——0.8VNOTE:Negativecurrentisdefinedascomingoutof(sourcing)thespecifieddevicepin.507510012515025151050TEMPERATUREinC2025Dwg.GK-018ALLOWABLEPACKAGEPOWERDISSIPATIONinWATTSPREFIX'SLA'R=5.0C/WqJMPREFIX'SMA'R=31C/WqJAPREFIX'SMA'R=6.0C/WqJMPREFIX'SLA'R=28C/WqJAREFERENCEAVREFVCC123456789101112131415161718Dwg.PK-006OUTAOUTBSENSEAGROUNDACNTRLSPLYAVREFVCC++OUTACONTROL/LOGICOUTBGROUNDBREFERENCEBCNTRLSPLYBINAINAINBINBSENSEBOFFDELAYAOFFDELAYBCONTROL/LOGICSLA7024M,SLA7026M,ANDSMA7029MHIGH-CURRENTPWM,UNIPOLARSTEPPERMOTORCONTROLLER/DRIVERS115NortheastCutoff,Box15036Worcester,Massachusetts01615-0036(508)853-5000™SLA7024M,SLA7026M,ANDSMA7029MHIGH-CURRENTPWM,U