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:2007-02:(1982),,,;,,,L6208,,(,541004):,,,L6208:;;L6208:TM930:B:1006-2394(2007)08-0048-02StudyofStepMotorDriverDesignBasedonL6208LIANGHai,HUANGTing2lei,LIUJie(GuilinUniversityofElectronicTechnology,Guilin541004,China)Abstract:Intheintelligentinstrumentandpositioncontrol,stepmotoriscommonlyusedasonetypeofmovementcontroldevices.Althoughtherearemanyready2madestepmotordrivingmechanismsinthemarket,itisverydifficulttomeetthemedicalinstrumentsprequirementsonreliabilityandaccuracy.Thisarticleanalyzesseveralstepmotordrivingsolutions,comparesthegoodandbadpoints,andthenchoosesL6208tobethemovementcontrolsolutionoftheelectro2lyteanalyzer.Keywords:stepmotor;motordrive;L62081:,,,,:22.1ULN2003AULN2003A,,,IC200mA,VCE1V,BVCEO36V,ULN2003A,,,,,,,(400mA)2.2L297+L298L297PWM,,,()(/)(/),L297HL298,PWML298,8420078H,,,,,46V,,3A,2A,,,,;L298,,,,2.3L6208L6208()powerSPIN,DMOSPWM()L6208PWM,MOS,,(VrefAVrefB),,MOS,,,L6208,,MOSFET;(852V),2.8A,5.6A,,,,;100kHz,,,,,,,L620831CP,CW,Enable,Phase/,Reset,Decay/,A+,A-,B+,B-,1L62083.1:,,,,,,42BYG016,1.5kHz,,,L6208,3.20.20.7,0.43.33.65V3.4,L6208,01V,,0.4V,0.8VVrefAVrefB,,,3.5,,,,;,(52)942007824K9F4008W0A,,32,,,,56,,,,,,:[1],,,.[J].,2003,(1).[2],.[J].,2003,(3).[3],.[J].,2004,(4).[4],.C8051FFlash[J].,2004,(7).[5],.NANDFlash[J].,2006,(1).()(49),,3.6,,L6208,,3.7L6208L6208,,3.8,PhaseEnable,:/3.9,4,,,,:[1].[M].:,2004.[2],,.[J].,2005,(2):68-69.[3]VincenzoMarano.IC[EB/OL].[4]L6208Datasheet[Z].STMicroelectronics,2003.()2520078