Product details

Rating Catalog Control method Trapezoidal Control Architecture Integrated FET Control interface 1xPWM RDS(ON) (HS + LS) (mOhms) 800 Peak output current (A) 0.85 Vs (Min) (V) 1.65 Vs ABS (Max) (V) 6 Features Tach/FG Feedback, Integrated Motor Control, Integrated FETs Operating temperature range (C) -40 to 85
Rating Catalog Control method Trapezoidal Control Architecture Integrated FET Control interface 1xPWM RDS(ON) (HS + LS) (mOhms) 800 Peak output current (A) 0.85 Vs (Min) (V) 1.65 Vs ABS (Max) (V) 6 Features Tach/FG Feedback, Integrated Motor Control, Integrated FETs Operating temperature range (C) -40 to 85
WSON (DSC) 10 9 mm² 3 x 3
  • Input Voltage Range: 1.65 V to 5.5 V
  • Six Integrated MOSFETS With 680-mA Peak
    Output Current
  • Ultralow Quiescent Current: 5 µA (Typical) in
    Standby Mode
  • Total Driver H+L RDSOn 900 mΩ
  • Sensorless Proprietary BMEF Control Scheme
  • 150° Commutation
  • Synchronous Rectification PWM Operation
  • Selectable FG and 1⁄2 FG Open-Drain Output
  • PWMIN Input from 15 kHz to 50 kHz
  • Lock Detection
  • Voltage Surge Protection
  • UVLO
  • Thermal Shutdown
  • Input Voltage Range: 1.65 V to 5.5 V
  • Six Integrated MOSFETS With 680-mA Peak
    Output Current
  • Ultralow Quiescent Current: 5 µA (Typical) in
    Standby Mode
  • Total Driver H+L RDSOn 900 mΩ
  • Sensorless Proprietary BMEF Control Scheme
  • 150° Commutation
  • Synchronous Rectification PWM Operation
  • Selectable FG and 1⁄2 FG Open-Drain Output
  • PWMIN Input from 15 kHz to 50 kHz
  • Lock Detection
  • Voltage Surge Protection
  • UVLO
  • Thermal Shutdown

DRV10866 is a 3- phase, sensorless motor driver with integrated power MOSFETs with drive current capability up to 680-mA peak. DRV10866 is specifically designed for low noise and low external component count fan motor drive applications. DRV10866 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. DRV10866 outputs either FG or 1⁄2 FG to indicate motor speed with open-drain output. A 150° sensorless BEMF control scheme is implemented for a 3-phase motor. DRV10866 is available in the thermally efficient 10-pin, 3-mm × 3-mm × 0.75-mm SON (DSC) package. The operating temperature is specified from –40°C to 125°C.

DRV10866 is a 3- phase, sensorless motor driver with integrated power MOSFETs with drive current capability up to 680-mA peak. DRV10866 is specifically designed for low noise and low external component count fan motor drive applications. DRV10866 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. DRV10866 outputs either FG or 1⁄2 FG to indicate motor speed with open-drain output. A 150° sensorless BEMF control scheme is implemented for a 3-phase motor. DRV10866 is available in the thermally efficient 10-pin, 3-mm × 3-mm × 0.75-mm SON (DSC) package. The operating temperature is specified from –40°C to 125°C.

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Technical documentation

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Type Title Date
* Data sheet DRV10866 5-V, 3-Phase, Sensorless BLDC Motor Driver datasheet (Rev. A) 16 Oct 2014
Technical article Understanding brushless-DC motor systems, part 2 20 Oct 2021
Technical article Understanding brushless-DC motor systems, part 1 18 Oct 2021
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) 14 Oct 2021
Technical article A basic brushless gate driver design – part 3: integrated vs. discrete half bridges 16 Dec 2020
User guide DRV10866EVM User Guide (Rev. B) 29 Nov 2018
Technical article Connectivity helps integrate intelligent motor control on a single MCU 06 Jun 2018
Application note DRV10866 Lock Detection Functionality (Rev. A) 01 Feb 2017
Application note Utilizing the DRV10 Frequency Generator for Closed Loop Speed Control 19 Dec 2012

Design & development

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Evaluation board

DRV10866EVM — DRV10866 Evaluation Module for 5V, 3-Phase, Sensorless, Brushless DC Motor Driver

The DRV10866EVM (evaluation module) provides a cost effective, low voltage, sensorless-solution for running a 3-phase BLDC motor in 150 degree trapezoidal commutation.
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Reference designs

TIDA-00112 — 5V, 3-Phase, Sensorless Motor System With Variable Speed Control

This reference design provides a simple way to spin and control a 5V, 3-phase, BLDC fan motor with minimum development time and overhead. It utilizes the DRV10866, a sensorless BLDC motor driver, for the power stage and a TLC555 timer to provide a variable duty cycle PWM signal for speed control. (...)
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WSON (DSC) 10 View options

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