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NEW MCT8315Z ACTIVE 40-V max, 4-A peak, sensored trapezoidal control 3-phase BLDC motor driver New generation device with higher voltage and current capabilities

Product details

Rating Catalog Architecture Integrated FET Control topology Sensored, Sinusoidal, Trapezoidal Control interface 1xPWM Vs (min) (V) 5 Vs ABS (max) (V) 20 Features Adaptive Drive Angle Adjustment (ADAA), Hall Element Comparators, Integrated FETs, Integrated Motor Control, Tach/FG Feedback Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Integrated FET Control topology Sensored, Sinusoidal, Trapezoidal Control interface 1xPWM Vs (min) (V) 5 Vs ABS (max) (V) 20 Features Adaptive Drive Angle Adjustment (ADAA), Hall Element Comparators, Integrated FETs, Integrated Motor Control, Tach/FG Feedback Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4
  • Wide Power Supply Voltage Range: 5 to 18 V
  • Integrated FETs: 1-A RMS, 1.5-A Peak Output
    Phase/Winding Current
  • Total Driver H + L RDSON: 400 mΩ
  • Embedded 180° Sine-Wave and Trapezoidal
    Commutations
  • Ultra-Low Power Consumption in Sleep Mode
    (35 µA)
  • Adaptive Drive Angle Adjustment
  • Three or Single Hall Sensor Option to Minimize
    System Cost
  • Motor Spin Direction Control
  • Configurable for 30° Hall Placement or 0° Hall
    Placement
  • Adjustable Retry Timing after Motor Lock
  • Programmable Current-Limit Function
  • Tachometer – Motor Speed Information on Open-
    Drain FG Pin
  • Motor Lock Report on Open-Drain RD Pin
  • Protection Features
    • Supply (VM) Undervoltage Lockout
    • Cycle-by-Cycle Current Limit
    • Overcurrent Protection (OCP)
    • Thermal Shutdown
    • Motor Lock Detect and Report
  • Wide Power Supply Voltage Range: 5 to 18 V
  • Integrated FETs: 1-A RMS, 1.5-A Peak Output
    Phase/Winding Current
  • Total Driver H + L RDSON: 400 mΩ
  • Embedded 180° Sine-Wave and Trapezoidal
    Commutations
  • Ultra-Low Power Consumption in Sleep Mode
    (35 µA)
  • Adaptive Drive Angle Adjustment
  • Three or Single Hall Sensor Option to Minimize
    System Cost
  • Motor Spin Direction Control
  • Configurable for 30° Hall Placement or 0° Hall
    Placement
  • Adjustable Retry Timing after Motor Lock
  • Programmable Current-Limit Function
  • Tachometer – Motor Speed Information on Open-
    Drain FG Pin
  • Motor Lock Report on Open-Drain RD Pin
  • Protection Features
    • Supply (VM) Undervoltage Lockout
    • Cycle-by-Cycle Current Limit
    • Overcurrent Protection (OCP)
    • Thermal Shutdown
    • Motor Lock Detect and Report

The DRV10970 is an integrated three-phase BLDC motor driver for home appliance, cooling fans, and other general-purpose motor control applications. The embedded intelligence, small form factor, and simple pinout structure reduce the design complexity, board space, and system cost. The integrated protections improve the system robustness and reliability.

The output stage of DRV10970 consists of three half-bridges with RDSON of 400 mΩ (H + L). Each half-bridge is capable of driving up to 1-A RMS and 1.5-A peak output current. When the device enters sleep mode, it consumes typical 35 µA of current.

The advanced 180° sine-wave commutation algorithm is embedded into the device and achieves high efficiency, low torque ripple, and superior acoustic performance. The adaptive driving angle adjustment function achieves the most optimized efficiency regardless of the motor parameters and load conditions.

The DRV10970 is designed for either differential or single-ended Hall sensor based applications. The differential Hall signal inputs are detected by the integrated comparators. The device supports three Hall and single Hall based applications; the single Hall sensor mode reduces the system cost by eliminating two Hall sensors.

The device implements a standard control interface which includes PWM input (speed command), FG output (speed feedback), FR input (forward and reverse direction control), and RD output (motor lock indicator).

The DRV10970 device supports both 30° and 0° Hall placements (with respect to the corresponding phase BEMF). The device implements trapezoidal drive mode to address higher power requirement.

The DRV10970 device determines the rotor lock condition based on the absence of Hall input switching. The device will try again to spin the motor after an adjustable auto-retry time which can be configured by a capacitor connected to the RETRY pin.

The device incorporates multiple protection features: overcurrent, undervoltage, overtemperature, and locked rotor conditions to improve the system robustness.

The DRV10970 is packaged in a thermally-enhanced 24-pin TSSOP package (eco-friendly: RoHS and no Sb/Br).

The DRV10970 is an integrated three-phase BLDC motor driver for home appliance, cooling fans, and other general-purpose motor control applications. The embedded intelligence, small form factor, and simple pinout structure reduce the design complexity, board space, and system cost. The integrated protections improve the system robustness and reliability.

The output stage of DRV10970 consists of three half-bridges with RDSON of 400 mΩ (H + L). Each half-bridge is capable of driving up to 1-A RMS and 1.5-A peak output current. When the device enters sleep mode, it consumes typical 35 µA of current.

The advanced 180° sine-wave commutation algorithm is embedded into the device and achieves high efficiency, low torque ripple, and superior acoustic performance. The adaptive driving angle adjustment function achieves the most optimized efficiency regardless of the motor parameters and load conditions.

The DRV10970 is designed for either differential or single-ended Hall sensor based applications. The differential Hall signal inputs are detected by the integrated comparators. The device supports three Hall and single Hall based applications; the single Hall sensor mode reduces the system cost by eliminating two Hall sensors.

The device implements a standard control interface which includes PWM input (speed command), FG output (speed feedback), FR input (forward and reverse direction control), and RD output (motor lock indicator).

The DRV10970 device supports both 30° and 0° Hall placements (with respect to the corresponding phase BEMF). The device implements trapezoidal drive mode to address higher power requirement.

The DRV10970 device determines the rotor lock condition based on the absence of Hall input switching. The device will try again to spin the motor after an adjustable auto-retry time which can be configured by a capacitor connected to the RETRY pin.

The device incorporates multiple protection features: overcurrent, undervoltage, overtemperature, and locked rotor conditions to improve the system robustness.

The DRV10970 is packaged in a thermally-enhanced 24-pin TSSOP package (eco-friendly: RoHS and no Sb/Br).

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Technical documentation

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Type Title Date
* Data sheet DRV10970 Three-Phase Brushless DC Motor Driver datasheet (Rev. A) PDF | HTML 10 Mar 2016
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 14 Oct 2021
White paper Replacing single-phase ACIMs with three-phase BLDC motors saves energy 14 Apr 2016
Application note Adaptive Drive Angle Adjust 04 Apr 2016
EVM User's guide DRV10970 EVM User's Guide 07 Mar 2016
Application note Single Versus Three Hall Sensor Configuration 07 Mar 2016

Design & development

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

Evaluation board

DRV10970EVM — DRV10970 Three-Phase Brushless Motor Driver Evaluation Module

The  DRV10970EVM evaluation module (EVM) serves as a user-friendly evaluation kit to demonstrate TI's brushless motor driver DRV10970. The EVM is a high-performance, power-efficient, cost-effective platform that speeds development for quicker time to market. The DRV10970EVM supports single (...)
User guide: PDF
Not available on TI.com
Reference designs

TIDA-00919 — Single-Layered, Refrigerator Fan Reference Design Enabling High Efficiency Drive

This reference design is a singled-layered, cost-effective, small-form-factor, three-phase sinusoidal motor drive for sensored BLDC fan motors specified up to a maximum current of 1 A RMS at 18 V maximum. The unique, single-sided design helps to bring down the system cost. The on-board Hall (...)
Design guide: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
HTSSOP (PWP) 24 Ultra Librarian

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