Integrated control BLDC drivers

Highly efficient, ultra-quiet, and easy to use code-free integrated motor drivers that allow for reduced board size and design effort

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Our code-free integrated control BLDC drivers spin motors without an external microcontroller by using integrated control functionality that offers optimal efficiency in sensored and sensorless motor systems. Our control drivers feature variants for sensored trap, sensorless trap, and sensorless FOC to meet your project requirements such as speed loop accuracy, acoustic performance, reliable startup and deceleration, and EMI/efficiency.

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Featured integrated control BLDC drivers

MCF8315C-Q1
Integrated control BLDC drivers

Automotive, 40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver

Approx. price (USD) 1ku | 1.472

MCF8315C
Integrated control BLDC drivers

40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver

Approx. price (USD) 1ku | 1.28

MCT8314Z
Integrated control BLDC drivers

40V max, 1.5A peak, sensored-trapezoidal-control three-phase BLDC motor driver

Approx. price (USD) 1ku | 0.73

MCT8315Z
Integrated control BLDC drivers

40-V max, 4-A peak, sensored trapezoidal control 3-phase BLDC motor driver

Approx. price (USD) 1ku | 1.03

MCF8329A
Integrated control BLDC drivers

60-V, sensorless, field-oriented control (FOC) three-phase BLDC gate driver

Approx. price (USD) 1ku | 1.3

MCF8316C-Q1
Integrated control BLDC drivers

Automotive, 40-V max, 8-A peak, sensorless field oriented control (FOC) 3-phase BLDC motor driver

Approx. price (USD) 1ku | 1.94

Benefits of our integrated control BLDC drivers

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Code-free motor control

Eliminate software development effort with pre-programmed field-oriented control (FOC), trapezoidal and sinusoidal sensorless and sensored control algorithms options.

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Ease of motor tuning

Simplify motor tuning with our guided graphical user interface (GUI). You can tune your motor in less than 10 minutes with our integrated control BLDC drivers.

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Smaller footprint and reduced PCB space

Single chip, code-free motor driver integrates gate drivers, FETs, protection and a built-in controller with pre-programmed motor control algorithm can help reduce board space up to 70%.

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Reduced design effort and cost

Minimized design resources with scalable power levels and voltages across platforms.

BLDC commutation methods

Learn more about BLDC commutation methods

To compare the various types of commutation methods for three-phase BLDC motor, there are many system level considerations including motor constuction, application type, performance needs, design complexity, and many more. Check out this video and the following tabs to learn more about the BLDC control methods and their advantages and tradeoffs.

Learn more about trapezoidal commutation

Trapezoidal commutation is popular because of its simplicity, low cost, and reliability. It's the easiest commutation technique to implement compared to sinusoidal and field-oriented control. Its simplicity reduces design time and cost, especially in terms of processing power used for the control algorithms.

Characteristics:

  • Low cost
  • Simple to implement
  • Less processing power
  • Good for high speed applications
  • High electric and acoustic noise
  • Large torque ripple

Learn more about sinusoidal commutation

In sinusoidal BLDC motors, windings for each phase produce a sinusoidal back EMF voltage. You can find sinusoidal control in speed applications since they require low noise, smooth, and efficient motor performance.

Characteristics:

  • Ultra-quiet
  • Highly efficient
  • Small torque ripple
  • No direct BEMF measurements due to no zero crossing window
  • More switching losses compared to Trapezoidal
  • Increased complexity

Learn more about field oriented control commutation

With FOC, we can achieve the lowest audible noise, the highest motor efficiency, and high motor speed using real-time calculations involving the motor phase currents and rotor position to apply maximum torque at all rotor postions. 

Characteristics:

  • Highest torque and motor efficiency
  • Lowest audible noise and torque ripple
  • High motor speed +field weakening
  • High switching loses
  • Complex control and real-time calculations needed from an MCU

Learn more about sensored control

In sensorless control applications, sensors are used to determine the actual location of the rotor relative to the stator. Sensors can be used in torque, speed, or position control applications. The main advantage to using sensors is that it is a low-complexity easy-to-implement solution that gives immediate motor position, even at slow speeds or rest.

Characteristics:

  • Low complexity
  • Position is known immediately
  • Typically low resolution
  • Takes up board or motor space

Learn more about sensorless control

Sensorless control can potentially remove the need for external sensors by measuring the back EMF zero crossings, or calculating the back EMF generated during commutation. Typically, sensorless control is used for speed applications since the motor will generate enough back EMF when it is spinning at a constant speed.

Characteristics:

  • Saves board space by eliminating sensors
  • Eliminates risk of failures from the sensors
  • Additional signal chain and calculations required

Discover featured applications

Residential & living fan
Integrated control BLDC drivers to help meet noise and efficiency requirements necessary in residential & living fans.
Vacuum robot
Design high speed and robust vacuum robots with our code-free integrated BLDC motor drivers.
Seat comfort module
Accelerate your design with high-performance BLDC motor drivers with cost-effective and scalable solutions to provide robust and accurate closed-loop control of comfort modules.
Liquid cooling
Solve liquid cooling design challenges including constant flow rates and adaptive load handling with integrated control BLDC motor drivers.

Integrated control BLDC drivers to help meet noise and efficiency requirements necessary in residential & living fans.

Our integrated BLDC control portfolio enables ultra-quiet fan operation and offers flexible control methods for higher fan effiency across different conditions.

  • Windmilling support: initial speed detect (ISD) enables smooth forward and reverse syncs and active braking enables quick motor direction reverse (< 1 s) without DC bus spike
  • Fast start-up: initial speed detect (ISD) enables re-sync in < 10 ms
  • Quiet operation: dead time compensation and continuous PWM modulation
  • Power surge protection while changing fan speed:  AVS controls back-EMF motor voltage

Featured resources

END-EQUIPMENT / SUB-SYSTEM
PRODUCTS
  • MCF8316A – 40-V max, 8-A peak, sensorless FOC control 3-phase BLDC motor driver
HARDWARE DEVELOPMENT
  • MCF8316AEVM – MCF8316A three-phase sensorless FOC BLDC motor driver evaluation module

Design high speed and robust vacuum robots with our code-free integrated BLDC motor drivers.

Our integrated control BLDC drivers porfolio offers felixible options to fit different motor use case requirements, such as suction, brushbar and moping motors.

  • High suction power (up to 3-kHz electrical speed) and high startup torque capbility enables vacuum to stay at constant speed regardless of the floor conditions
  • Minimized power loses with ASR and AAR rectification techniques to prevent power losses and thermal dissipation
  • Lock-up detection to recognize an obstruction (sock) in the brushed bar that jams or locks up the bar from spinning

Featured resources

END-EQUIPMENT / SUB-SYSTEM
PRODUCTS
  • MCT8316A – 40-V max, 8-A peak, sensorless trapezoidal control 3-phase BLDC motor driver
  • MCT8316Z – 40-V max, 8-A peak, sensored trapezoidal control 3-phase BLDC motor driver
  • MCF8316A – 40-V max, 8-A peak, sensorless FOC control 3-phase BLDC motor driver
HARDWARE DEVELOPMENT
  • MCT8316AEVM – MCT8316A evaluation module for three-phase sensorless trapezoidal BLDC motor driver
TECHNICAL RESOURCES

Accelerate your design with high-performance BLDC motor drivers with cost-effective and scalable solutions to provide robust and accurate closed-loop control of comfort modules.

The integrated control BLDC drivers family is scalable for seat modules with limited board space and require low audible noise.

  • Minimize audible noise with code-free sensorless field-oriented control (FOC) algorithms
  • Scalable 3-phase BLDC motor drivers for power level ranges from 20 W to 70 W
  • Minimize board space with integrated control, FET and protection features

Featured resources

PRODUCTS
  • MCF8316A – 40-V max, 8-A peak, sensorless FOC control 3-phase BLDC motor driver
HARDWARE DEVELOPMENT
  • MCF8316AEVM – MCF8316A three-phase sensorless FOC BLDC motor driver evaluation module

Solve liquid cooling design challenges including constant flow rates and adaptive load handling with integrated control BLDC motor drivers.

Our integrated control BLDC drivers portfolio offers solutions for dynamic load applications by maintaining constant speed through operation with speed loop accuracy of 1%.

Features:

  • Auto-tuned torque loop to address dynamic load changes to a liquid cooling system during operation
  • Auto-tuned speed loop to keep a constant flow rate and motor speed
  • Intial position detection to overcome high torque at start up
  • Low acoustic noise by enabling deadtime compensation and insertion 

Featured resources

PRODUCTS
  • MCF8316A – 40-V max, 8-A peak, sensorless FOC control 3-phase BLDC motor driver
HARDWARE DEVELOPMENT
  • MCF8316AEVM – MCF8316A three-phase sensorless FOC BLDC motor driver evaluation module

Technical resources

Application note
Application note
How to Reduce Motor Noise with Code-Free, Sensorless BLDC Motor Drivers
Learn how our code-free, sensorless control integrated BLDC motor drivers can achieve industry-leading acoustic performance with our patented automatic dead-time compensation, PWM modulation schemes and FOC commutation.
document-pdfAcrobat PDF
Technical article
Technical article
3 ways to speed cycle time when designing with brushless-DC motors
Read about the ways our advanced BLDC motors help you achieve longer lifetime and quieter operation in small home appliances such as vacuum robots.
document-pdfAcrobat PDF
Video
Video
TI Precision Labs - Field-oriented control
Learn about several commutation methods used for BLDC motors (specifically FOC), and the technical background on FOC in terms of the control loop and fundamental mathematics involved.