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無刷 DC (BLDC) 馬達驅動器
整合式控制 BLDC 驅動器

DRV11873

現行

12-V 額定、2-A 峰值無感測器梯形控制 3 相 BLDC 馬達驅動器

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產品規格表

DRV11873

現行
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產品詳細資料

Rating Catalog Architecture Integrated FET Control topology Sensorless, Trapezoidal Control interface 1xPWM Vs (min) (V) 5 Vs ABS (max) (V) 20 Features Integrated FETs, Integrated Motor Control, Rotor Lock Protection, Tach/FG Feedback Operating temperature range (°C) -40 to 85
Rating Catalog Architecture Integrated FET Control topology Sensorless, Trapezoidal Control interface 1xPWM Vs (min) (V) 5 Vs ABS (max) (V) 20 Features Integrated FETs, Integrated Motor Control, Rotor Lock Protection, Tach/FG Feedback Operating temperature range (°C) -40 to 85
HTSSOP (PWP) 16 32 mm² (5 mm × 6.4 mm)
  • Input Voltage Range: 5 to 16 V
  • Six Integrated MOSFETs With 1.5-A Continuous
    Output Current
  • Total Driver H + L RDSON 450 mΩ
  • Sensorless Proprietary BMEF Control Scheme
  • 150° Commutation
  • Synchronous Rectification PWM Operation
  • FG and RD Open-Drain Output
  • 5-V LDO for External Use up to 20 mA
  • PWMIN Input from 7 to 100 kHz
  • Overcurrent Protection With Adjustable Limit
    Through External Resistor
  • Lock Detection
  • Voltage Surge Protection
  • UVLO
  • Thermal Shutdown
  • Input Voltage Range: 5 to 16 V
  • Six Integrated MOSFETs With 1.5-A Continuous
    Output Current
  • Total Driver H + L RDSON 450 mΩ
  • Sensorless Proprietary BMEF Control Scheme
  • 150° Commutation
  • Synchronous Rectification PWM Operation
  • FG and RD Open-Drain Output
  • 5-V LDO for External Use up to 20 mA
  • PWMIN Input from 7 to 100 kHz
  • Overcurrent Protection With Adjustable Limit
    Through External Resistor
  • Lock Detection
  • Voltage Surge Protection
  • UVLO
  • Thermal Shutdown

DRV11873 is a three-phase, sensorless motor driver with integrated power MOSFETs with drive current capability up to 1.5-A continuous and 2-A peak. DRV11873 is specifically designed for fan motor drive applications with low noise and low external component count. DRV11873 has built-in overcurrent protection with no external current sense resistor needed. The synchronous rectification mode of operation achieves increased efficiency for motor driver applications. DRV11873 outputs FG and RD to indicate motor status with open-drain output. A 150° sensorless BEMF control scheme is implemented for a three-phase motor. DRV11873 is available in the thermally-efficient 16-pin TSSOP package. The operation temperature is specified from –40°C to 125°C.

DRV11873 is a three-phase, sensorless motor driver with integrated power MOSFETs with drive current capability up to 1.5-A continuous and 2-A peak. DRV11873 is specifically designed for fan motor drive applications with low noise and low external component count. DRV11873 has built-in overcurrent protection with no external current sense resistor needed. The synchronous rectification mode of operation achieves increased efficiency for motor driver applications. DRV11873 outputs FG and RD to indicate motor status with open-drain output. A 150° sensorless BEMF control scheme is implemented for a three-phase motor. DRV11873 is available in the thermally-efficient 16-pin TSSOP package. The operation temperature is specified from –40°C to 125°C.
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DRV10974 現行 12-V 額定、2.5-A 峰值無感測器正弦控制 3 相 BLDC 馬達驅動器 Features smaller footprint and 180 sinusoidal control for better acoustics

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 DRV11873 12-V, 3-Phase, Sensorless BLDC Motor Driver datasheet (Rev. A) PDF | HTML 2014/11/25
應用說明 Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 2021/10/14
應用說明 DRV11873 Lock Detection Functionality 2016/4/22
使用指南 DRV11873 EVM User Manual (Rev. A) 2013/3/12

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開發板

DRV11873EVM — 適用於 12V、3 相無感測器 BLDC 馬達控制器的 DRV11873 評估模組

The DRV11873EVM (evaluation module) provides a cost effective, sensorless-solution for running a 3-phase BLDC motor in 150 degree sinusoidal commutation.
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HTSSOP (PWP) 16 Ultra Librarian
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