DRV10975

ACTIVE

12-V nominal, 3-A peak sensorless sinusoidal control 3-phase BLDC motor driver

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Product details

Parameters

Rating Catalog Control method Sinusoidal Control Architecture Integrated FET RDS(ON) (HS + LS) (mOhms) 250 Peak output current (A) 3 Vs (Min) (V) 6.5 Vs ABS (Max) (V) 23 Control I/F 1xPWM, Analog, Serial Features Buck Step Down Converter, Initial Position Detect (IPD), Rotor Lock Protection, SPI/I2C, Integrated Motor Control, Integrated FETs, Tach/FG Feedback Operating temperature range (C) -40 to 125 Approx. price (US$) 0.92 | 1ku open-in-new Find other Brushless DC (BLDC) motor drivers

Package | Pins | Size

HTSSOP (PWP) 24 34 mm² 7.7 x 4.4 VQFN (RHF) 24 20 mm² 5 x 4 open-in-new Find other Brushless DC (BLDC) motor drivers

Features

  • Input Voltage Range: 6.5 to 18 V
  • Total Driver H + L rDS(on): 250 mΩ
  • Drive Current: 1.5-A Continuous Winding Current (2-A Peak)
  • Sensorless Proprietary Back Electromotive Force (BEMF) Control Scheme
  • Continuous Sinusoidal 180° Commutation
  • No External Sense Resistor Required
  • For Flexibility User May Include External Sense Resistor to Monitor Power Delivered to Motor
  • Flexible User Interface Options:
    • I2C Interface: Access Registers for Command and Feedback
    • Dedicated SPEED Pin: Accepts Either Analog or PWM Input
    • Dedicated FG Pin: Provides TACH Feedback
    • Spin-Up Profile Customizable With EEPROM
    • Forward-Reverse Control With DIR Pin
  • Integrated Step-Down Regulator to Efficiently Provide Voltage (5 V or 3.3 V) for Internal and External Circuits
  • Supply Current 4.5 mA With Standby Version (DRV10975)
  • Supply Current 80 µA With Sleep Version (DRV10975Z)
  • Overcurrent Protection
  • Lock Detection
  • Voltage Surge Protection
  • UVLO Protection
  • Thermal Shutdown Protection
  • Thermally-Enhanced 24-Pin HTSSOP

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Description

The DRV10975 device is a three-phase sensorless motor driver with integrated power MOSFETs, which can provide continuous drive current up to 1.5 A. The device is specifically designed for cost-sensitive, low-noise, low-external-component-count applications.

The DRV10975 device uses a proprietary sensorless control scheme to provide continuous sinusoidal drive, which significantly reduces the pure tone acoustics that typically occur as a result of commutation. The interface to the device is designed to be simple and flexible. The motor can be controlled directly through PWM, analog, or I2C inputs. Motor speed feedback is available through either the FG pin or I2C.

The DRV10975 device features an integrated step-down regulator to efficiently step down the supply voltage to either 5 or 3.3 V for powering both internal and external circuits. The device is available in either a sleep mode or a standby mode version to conserve power when the motor is not running. The standby mode (4.5-mA) version leaves the regulator running and the sleep mode (80-µA) version shuts it off. Use the standby mode version in applications where the regulator is used to power an external microcontroller.

An I2C interface allows the user to reprogram specific motor parameters in registers and program the EEPROM to help optimize the performance for a given application. The DRV10975 device is available in a thermally efficient HTSSOP, 24-pin package with an exposed thermal pad. The operating temperature is specified from –40°C to 125°C.

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Technical documentation

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$99.00
Description

The DRV10975EVM (evaluation module) is an easy to use kit utilized to demonstrate TI’s brushless DC motor driver, DRV10975. A GUI is provided to give customers ability to evaluate the functionality and performance of this device. The DRV10975EVM is a high-performance and power efficient (...)

Features
  • Power supply voltage range: 8 V to 28V
  • 180 degree Sensorless control
  • I2C  interface: Access registers for command and motor feedback
  • On-Chip 5V/3V, 100mA step down buck
GUIS FOR EVALUATION MODULES (EVM) Download
SLOC345A.ZIP (39698 KB)

Reference designs

REFERENCE DESIGNS Download
22-mm Diameter and Thermally Enhanced Three-Phase BLDC Motor Driver Reference Design
TIDA-01619 The TIDA-01619 provides a three-phase brushless DC (BLDC) motor driver solution for systems that have operating range from 4.4 V to 18 V.

This design features the DRV10974 motor driver with the ability to add MCU for closed loop speed control. The DRV10974 offers sensorless commutation with no need (...)

document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
EEPROM Programming Tool Reference Design
TIDA-01373 — The TIDA-01373 is a reference hardware and software example of a scalable programming tool for the DRV10983, DRV10975, DRV10983-Q1, and DRV10987 integrated BLDC motor drivers. These devices feature configurable EEPROM registers that need to be set to motor-specific parameters. This reference design (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
12V BLDC Server Fan with Sensorless Sinusoidal Control
TIDA-00525 This is a reference design for a 12V 3-phase brushless DC fan, intended for server cooling applications.  It is based on a single IC controller, the DRV10975, which drives sensorless BLDC motors with sinusoidal current that minimizes acoustic noise and torque ripple.  The design requires (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 24 View options
VQFN (RHF) 24 View options

Ordering & quality

Support & training

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