Zetex - ZXBM2004 Variable speed two-phase BLDC motor controller datasheet
DESCRIPTIONH+ - Hall inputH- - Hall inputTherotorpositionisdetectedbyaHallsensor,withtheoutputappliedtotheH+andH-pins.Thissensorcanbeeithera4pin'naked'Halldeviceorofthe3pinbufferedswitchingtype.Fora4pindevicethedifferentialHalloutputsignalisconnectedtotheH+andH-pins.ForabufferedHallsensortheHalldeviceoutputisattachedtotheH+pin,withapull-upattachedifneeded,whilsttheH-pinhasanexternalpotentialdividerattachedtoholdthepinathalfVcc.WhenH+ishighinrelationtoH-, Ph2 is the active drive.ThRef - Network ReferenceThisisareferencevoltageofnominal3V.Itisdesignedfortheabilityto'source'andthereforeitwillnot'sink'any current from a higher voltage.ThecurrentdrawnfromthepinbytheminimumspeedpotentialdividertopinSMINandanyvoltagesettingnetworkshouldnotexceed1mAintotalatmaximumtemperature.SPD - Speed Control InputThevoltageappliedtotheSPDpinprovidescontrolovertheFanMotorspeedbyvaryingthePulseWidthModulated(PWM)driveratioatthePh1LoandPh2Looutputs.Thecontrolsignaltakestheformofavoltageinputofrange3Vto1V,repr FEATURES Compliant with external PWM speed control Compliant with thermistor control Minimum speed setting Low noise Auto restart Built in hall amplifier Speed pulse (FG) and lock rotor (RD) outputs Up to 18V input voltage (60V with external regulator) QSOP16 package Lead free productAssociated application notes:-AN41 - Thermistor controlAN42 - External PWM controlAN43 - Interfacing to the motor windingsAPPLICATIONS Mainframe and personal computer fans and blowers Instrumentation fans Central heating blowers Automotive climate controlDEVICE MARKING ZETEXZXBM2004ZXBM2004ISSUE 3 - MAY 2005VARIABLE SPEED 2-PHASE BLDC MOTOR CONTROLLERREEL SIZETAPE WIDTHQUANTITY PER REELZXBM2004Q16TC13" (330mm)12mm2,500ORDERING INFORMATION - QSOP16QSOP16ZXBM2004SEMICONDUCTORSISSUE 3 - MAY 20052PARAMETERSYMBOLLIMITUNITSupplyvoltageVCCmax-0.6 to 20VInputcurrentICCmax100mAInputvoltageVINmax-0.5toVCC+0.5VOutputvoltageVOUTmax-0.5toVCC+0.5VPowerdissipationPDmax500mWOperatingtemp.TOPR-40 to 110 CStoragetemp.TSTG-5 specificati
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QSOP16, ZXBM2004SEMICONDUCTORSISSUE, CPWM15, ZXBM2004, AN43.SEMICONDUCTORSISSUE, ZETEXZXBM2004ZXBM2004ISSUE, AN42, REELZXBM2004Q16TC13, AN41
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