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DRV11873 Datasheet Sensorless Bldc Motor Driver

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV11873 SLWS237A – NOVEMBER 2012 – REVISED NOVEMBER 2014 DRV11873 12-V, 3-Phase, Sensorless BLDC Motor Driver.

General Description

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.

Key Features

  • 1 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.

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DRV11873 Distributor