集成风扇马达驱动器技术概要

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1、IntegratedFanDriverTechnologyOverview集成风扇马达驱动器技术概要WilsonZuo/左巍MotorApplicationTeam(MAT)/马达应用团队MotorDriveBusinessUnitTIConfidential–NDARestrictions1Introduction-motors引言1PhaseBLDCDriver單相無刷驅動器3PhaseSenor-lessDriverTech三相驅動技術FanApplicationCollection應用集錦TIConfidential–NDARestrictions2Introduction–Mot

2、orsPermanentmagnetsDCbrushmotorDRV8x永磁直流有刷電機Brush有刷ElectricalmagnetsDCbrushmotor電磁直流有刷電機Asynchronous1p/3pACmotor非同步電機單相/三相交流電機MotorSinglephaseTMP8x單相DCSteppermotorDRV8x步進電機ServermotorThreephase伺服電機Switchedreluctance三相開關磁阻電機BrushlessDRVxx無刷Synchronous永磁同步（DC）HallSensorSensor-less(Permanentmagnets)有

3、霍爾無感測器（霍爾)TIConfidential–NDARestrictions31PhaseBLDCDriver單相無刷驅動器TIConfidential–NDARestrictions4SinglePhaseBLDCDriverSpeedMinHallinputPWMcontrolspeedInput(VTH)(RMI)SinglephaseDriveroutPre-DriverHallbias+-HallInputsToavoidthemotorstartupwhenhalloutputsarebotharoundzero.Singlephasefanwillalwaysstopat

4、apositionMthatthehallsignalIn+andIn-differfromeachotherduetothemagneticstructure.TIConfidential–NDARestrictions5SinglePhaseBLCDApplicationApplication應用Computerfan桌上型電腦風扇Notebookfan筆記本風扇GPUfan顯卡風扇Otheron-boardcardfan其它板卡風扇Equipmentfan儀器風扇Airconditionfan空調風扇TIConfidential–NDARestrictions6Singl

5、e-PhaseFull-WaveFanMotorPre-DriverTMP815單相馬達全波前級驅動器Features特性Benefits優勢•Single-phase,full-wavepre-driver單相全波•High-efficiency,lowpowerconsumptiondrivewith•Supplyvoltage:5.5to16VexternalPNP-NMOSFETs高效低功耗前級•Outputcurrent:-20to20mA•Silentandlow-consumptiondriveduetocuttingreactivecurrentbeforephasecha

6、nge換向反沖控•VariablespeedcontrolwithPWM脈寬調速制實現平穩高效驅動•Integratedprotection:集成保護•Integratedprotection集成保護，高可靠性•Currentlimit限流保護•Lockprotection堵轉保護SpeedMinPWMcontrolspeed•Thermalshutdown過溫保護Input(VTH)(RMI)•Minimumspeedset最低速度設置•Soft-startsettingpin帶軟啟動設置引腳•5x4.4mmTSSOP,compatiblewithLB11867TMP815Pre-Dri

7、verApplications應用•Server/PCcoolingfans伺服器/PC電腦風扇+-HallInputsM5mmx4.4mmx1mm16-pinTSSOPpackageTIConfidential–NDARestrictions7Single-PhaseFull-WaveFanMotorPre-DriverTMP814單相馬達全波前級驅動器Features特性Benefits優勢•Single-phase