Transcription of DRV8825 Stepper Motor Controller IC ... - Texas Instruments
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DRV8825 Stepper Motor Controller IC ... - Texas Instruments
STEPStep SizeDecay to 45 VControllerM+ -+ -DRV88251/32 stepStepper Motor ADIRnFAULTP roductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityDRV8825 SLVSA73F APRIL2010 REVISEDJULY2014 DRV8825 StepperMotorControllerIC1 Features3 DescriptionTheDRV8825providesan integratedmotordriver1 PWMM icrosteppingStepperMotorDriversolutionfo r printers,scanners,and otherautomated devicehas two H-bridge Up to 1/32 Microsteppingdriversand a microsteppingindexer,and is intendedto drivea MultipleDecayModesblockconsistsof N-channelpowerMOSFET s MixedDecayconfiguredas full H-bridgesto drivethe Motor DRV8825is capableof drivingup A of currentfromeachoutput(withproperheat FastDecaysinking,at 24 V and 25 C). 45-VOperatingSupplyVoltageRangeA simpleSTEP/DIRinterfaceallowseasyinterfa cing 24 V andto allowfor configurationTA= 25 Cof the motorin full-stepup to 1 SimpleSTEP/DIRI nterfacemodeis configurableso that slowdecay,fast decay, Low CurrentSleepModeor mixeddecaycanbe low-powersleepmodeis providedwhichshutsdowninternalcircuitry achieveverylow SmallPackageand Footprintsleepmodecan be set usinga dedicatednSLEEP ProtectionFeaturespin.
STEP Step Size Decay Mode 8.2 to 45 V Controller M + - + - DRV8825 1/32 µstep Stepper Motor Driver 2.5 A 2.5 A DIR nFAULT Product Folder Sample &
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