最新步进电机驱动芯片产品TMC260_TMC261_TMC262

TMC260/TMC261/TMC262DATASHEET(V.1.04/2010-Sep-29)1Copyright©2009TRINAMICMotionControlGmbH&Co.KGTRINAMIC®MotionControlGmbH&Co.KGSternstraße67D–20357HamburgGERMANY•upto256microstepsusingthestep/directioninterfaceortheSPIinterface•coolStep™:Saveupto75%ofenergyusingautomaticloadadaptivemotorcurrentcontrol•stallGuard2™:Highprecisionsensorlessmotorloadmeasurement•microPlyer:Microstepextrapolatorgives256microstepsmoothnesswithlowfrequencystepinput•spreadCycle:Highprecisionchopperalgorithm•Dualedgestepoptionallowshalfstepfrequencyrequirement,e.g.foropto-couplers•Upto8AMotorcurrentusingexternalN&PchannelMOSFETpairs(TMC262)Upto1.7AwithintegratedpowerMOStransistors(TMC260andTMC261)•Synchronousrectificationreducestransistorheating•9Vto60Voperatingvoltage(TMC261,TMC262),respectively9Vto40V(TMC260)•3.3Vor5Vinterface•QFN32package(TMC262)forextremelysmallsolutionwithsuperiorthermalperformance•10mmx10mmTQFP-44package(TMC260,TMC261)integratespowerbridges•EMVoptimizedcurrentcontrolledgatedrivers–upto40mAgatecurrent(TMC262)•Overcurrent,shorttoGNDandovertemperatureprotectionanddiagnosticsintegratedApplications•Energyefficientindustrialandcommercialstepperapplications•Precisiontwophasesteppermotordrives•Medicalandopticalapplications•RoboticsMotortype•2phaseStepperTMC260,TMC261,TMC262Energysavinghighresolutionmicrosteptwophasestepperdriverwithstepanddirectioninterfaceandinternal(TMC260,TMC261)orexternalpowerstage(TMC262)withdiagnosticsandprotectionTMC260/TMC261/TMC262DATASHEET(V.1.04/2010-Sep-29)2Copyright©2009TRINAMICMotionControlGmbH&Co.KG2Tableofcontents1FEATURES..........................................................................................................................................12TABLEOFCONTENTS........................................................................................................................23PRINCIPLEOFOPERATION...............................................................................................................43.1MOVINGTHEMOTOR........................................................................................................................43.1.1Stepanddirectioncontrol..................................................................................................43.1.2SPIcontrol..........................................................................................................................43.2CHOPPEDMOTORCOILDRIVER............................................................................................................43.3ENERGYEFFICIENTDRIVERWITHLOADFEEDBACK....................................................................................44PINNING...........................................................................................................................................54.1TMC260-PA,TMC261-PA...............................................................................................................54.2TMC262-LA..................................................................................................................................54.3PACKAGECODES.............................................................................................................................54.4DIMENSIONALDRAWINGS.................................................................................................................64.4.1PQFP44dimensions............................................................................................................64.4.2QFN32dimensions..............................................................................................................65BLOCKDIAGRAM..............................................................................................................................85.1PINDESCRIPTIONOFTMC262-LA....................................................................................................105.2PINDESCRIPTIONOFTMC260-PA/TMC261-PA................................................................................116SPIMODESHIFTREGISTER............................................................................................................126.1OVERVIEW(WRITE)....................................