集成风扇马达驱动器技术概要

1、TI Confidential NDA Restrictions1Motor Drive Business UnitIntegratedFanDriver Technology Overview 集成风扇马达驱动器技术概要Wilson Zuo /左巍Motor Application Team (MAT) /马达应用团队TI Confidential NDA Restrictions2Introduction- motors引言3 Phase Senor-less Driver Tech三相驅動技術Fan Application Collection應用集錦1 PhaseBLDC Driver單相無刷驅動器TI Confidential NDA Restrictions3Three phase 三相Electrical magnets DC brush motor電 磁直流有刷電機Permanent magnets DC brush motor 永磁直流有刷電機Introduction MotorsMotorBrushless 無刷Brush 有刷Asynchronous 非同步電機S

2、ynchronous永磁同步（DC） (Permanent magnets)Stepper motor 步進電機Switched reluctance 開關磁阻電機Single phase 單相DCHall Sensor 有霍爾Sensor-less 無感測器（霍爾)Server motor 伺服電機DRV8xDRVxxTMP8xDRV8x1p/3p AC motor 單相/三相交流電機TI Confidential NDA Restrictions41 PhaseBLDC Driver單相無刷驅動器TI Confidential NDA Restrictions5Single Phase BLDC DriverSingle phase Pre-DriverMHall Inputs+-Speed control (VTH)Min speed (RMI)PWM InputHall biasHall inputDriver outTo avoid the motor startup when hall outputs are both around zero. Single phase f

3、an will always stop at a position that the hall signal In+ and In- differ from each other due to the magnetic structure.TI Confidential NDA Restrictions6Single Phase BLCD ApplicationApplication應用Computer fan桌上型電腦風扇Notebook fan筆記本風扇GPU fan顯卡風扇Other on-board card fan其它板卡風扇Equipment fan儀器風扇Air condition fan空調風扇TI Confidential NDA Restrictions7TMP815Single-Phase Full-Wave Fan Motor Pre-Driver 單相馬達全波前級驅動器Applications應用 Server / PC cooling fans伺服器/PC電腦 風扇5mm x 4.4mm x 1mm 16-pin TSSOP packageFeatures特

4、性 Single-phase, full-wave pre-driver單相全波 Supply voltage: 5.5 to 16V Output current:-20 to 20mA Variable speed control withPWM脈寬調速 Integrated protection:集成保護 Current limit限流保護 Lock protection堵轉保護 Thermal shutdown過溫保護 Minimum speed set最低速度設置 Soft-start settingpin 帶軟啟動設置引腳 5 x 4.4mm TSSOP, compatible with LB11867Benefits優勢 High-efficiency, low power consumption drive with external PNP-NMOS FETs高效 低功耗 前級 Silent and low-consumption drive due to cutting reactive current before phase change換向反沖控 制實現平穩高

5、效驅動 Integrated protection集成保護，高可靠性TMP815 Pre-DriverMHall Inputs+-Speed control (VTH)Min speed (RMI)PWM InputTI Confidential NDA Restrictions8TMP814Single-Phase Full-Wave Fan Motor Pre-Driver 單相馬達全波前級驅動器Applications應用 Large Scale fan大尺寸（功率）單相風扇6.5mm x 4.4mm x 1mm 20-pin TSSOP packageFeatures特性 Single-phase, full-wave pre-driver單相全波 Supply voltage: 6 to 16V Output current:50mAMAX Compatible with 12V, 24V and 48V systems相容 12V，24V，48V系統 Variable speed control withPWM脈寬調速 Integrated protection:集成保護

6、Current limit限流保護 Lock protection堵轉保護 Thermal shutdown過溫保護 Minimum speed set最低速度設置 LDO for Hall Bias output穩壓霍爾偏置輸出 6.5 x 4.4mm TSSOP, compatible with LB11967Benefits優勢 High-efficiency, low power consumption drive with external PNP-NMOS FETs高效 低功耗 前級 Silent and low-consumption drive due to cutting reactive current before phase change換向反沖控 制實現平穩高效驅動 Integrated protection集成保護，高可靠性TMP814 Pre-DriverMHall Inputs+-Speed control (VTH)Min speed (RMI)PWM InputHall biasTI Confidential NDA Restrictions9TMP

7、816Single-Phase Full-Wave Fan Motor Pre-Driver 單相馬達全波前級驅動器Applications應用 Large Scale fan大尺寸（功率）單相風扇6.5mm x 4.4mm x 1mm 20-pin TSSOP packageFeatures特性 Single-phase, full-wave pre-driver單相全波 TMP814 + Soft-Start Setting Capacitor Supply voltage: 6 to 16V Output current:50mAMAX Compatible with 12V, 24V and 48V systems相容 12V，24V，48V系統 Variable speed control withPWM脈寬調速 Integrated protection:集成保護 Current limit限流保護 Lock protection堵轉保護 Thermal shutdown過溫保護 Minimum speed set最低速度設置 LDO for Hall Bias outpu

8、t穩壓霍爾偏置輸出 6.5 x 4.4mm TSSOPBenefits優勢 High-efficiency, low power consumption drive with external PNP-NMOS FETs高效 低功耗 前級 Silent and low-consumption drive due to cutting reactive current before phase change換向反沖控 制實現平穩高效驅動 Integrated protection集成保護，高可靠性TMP816 Pre-DriverMHall Inputs+-Speed control (VTH)Min speed (RMI)PWM InputHall biasSoft start cap 6VTI Confidential NDA Restrictions10TMP821Two-Phase Half-Wave Fan Motor Pre-Driver 兩相電機半波前級驅動器Applications Two Phase Cooling fans兩相散熱風扇 Desk fan小型桌面風扇3.

9、9 x 4.9mm 8-pin SOIC packageFeatures / Benefits Two-phase, half-wave driving pre-driver兩相半波前級 Supply voltage:4 to 28V Output current:70mA max Integration reduces number of required external components外接器件少 Built-in lock detection and rotational speed sensing mechanisms內置堵轉檢測和保護 Automatic restart when motor lock is undone Hall amplifier inputs have hysteresis帶滯回霍爾輸入 SOIC package, compatible with BA6406TMP821TI Confidential NDA Restrictions113 Phase Senor-less Driver Tech 三相驅動技術TI Confidential NDA Restrictions12Sensor-less motor driverAdvantage of SensorAdvantage of Sensor- -less :less :無感測器優點無感測器優點Shortage :Shortage :無感測器缺點無感測器缺點No Hall Sensor Needed Lower Cost無需霍爾感測器， 低成本Extend System durability提高系統壽命和可靠性Better temperature feature無霍爾器件，提升系統溫度範圍和穩定性Multi-Protection along with Control Algorithm伴

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