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1Introduction
1.1BlockDiagram
VM Power
Test Stakes
DRV8811
Motor Outputs
MSP430F1612USB
1.2PowerConnectors
Introduction
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TheDRV8811_RDcustomerEVMisthecompletesolutiontoevaluatingtheDRV8811microstepping
bipolarstepperdriver.IthousesaUSBlinktoprovideeasycontrolfromaPCcomputer,anMSP430
microcontrollerthatinterpretsserialcommandsfromthePCandgeneratescontrolsignalstothedriver
device,andtheDRV8811devicewithaccesstoallsignalsforacompleteevaluation.
TheDRV8811customerEVMusesacombinationofterminalblocksandtestclipsforthe
application/monitoringofpower.TheonlypowerrailtheusermustsupplyisVMforthedevice’spower
stage.VDDforlogiclevelsisinternallygeneratedfromtheUSBconnection.
TheusermustapplyVMaccordingtodatasheetrecommendedparameters.
LaserandMotorDrives 6SLVA344A–July2009–RevisedSeptember2009
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