Motor Drive & Control Solutions

Motor Drive & Control Blog

Motor Drive & Control

Motor Drive & Control

TI is a global market leader that leverages its rich history in advanced motor drive and control, with broad analog and microcontroller portfolios, to deliver complete motor system solutions.

  • So, Which PWM Technique is Best? (part 4)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments So, which PWM technique is best for your motor control application? Up to now we have investigated three different PWM techniques. Some could regenerate energy back into the DC power supply...
  • So, Which PWM Technique is Best (part 6)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments So, which PWM technique is best for your motor control application? Hopefully by now you have seen just how versatile the PWM process can be, and how subtle changes in this process can have...
  • So, Which PWM Technique is Best (part 7)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments So, which PWM technique is best for your motor control application? There are certainly plenty of options to choose from, with each one exhibiting unique advantages as well as disadvantages...
  • So, Which PWM Technique is Best? (part 5)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments So, which PWM technique is best for your motor control application? By now you have probably surmised that there is no “one” PWM technique that is the best for all applications...
  • The Most AWESOME Motors in the Whole World!

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    Dave Wilson, Motion Products Evangelist, Texas Instruments Next to the wheel, the electric motor is arguably the most significant object ever invented by man. Just try to find any other invention that affects our lives as much as the electric motor...
  • Teaching Your PI Controller to Behave (Part I)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments Richard Poley manages the training activities for our C2000 microcontrollers (MCUs), and co-teaches the TI Industrial Control Seminar series with me. (If you have never attended one of Richard’s...
  • Controlling BLDC Motors: Simple is Usually Better

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    Dave Wilson, Motion Products Evangelist, Texas Instruments I hate tax season! I not only hate the fact that I have to pay the taxes, but also that I must document the process. I’ve noticed over the years that my taxes have become increasingly...
  • So, Which PWM Technique is Best? (part 2)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments So, which PWM technique is best for your motor control application? In the previous blog, we examined the single-quadrant PWM technique, which is a good fit for extremely cost sensitive...
  • So, Which PWM Technique is Best? (part 3)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments So, which PWM technique is best for your motor control application? So far we have studied two motor drive topologies that result in unipolar PWM voltage waveforms on the motor, but are...
  • Generate your own commutation table: Trapezoidal control 3-phase BLDC motors using hall sensors

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    A couple decades back, if you asked motor control engineers which type of motor they prefer the answer without hesitation would have been a brushed DC motor . That’s because brushed DC motors are the simplest to control. You just apply DC voltage...
  • Spin It! - Designing Your Own Motor Drive and Control System (Part 4)

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    Part 4: Dos and don’ts of layout design Howdy and welcome back! In my previous posts , we pieced together a system, found our components, conquered the mighty schematic, and reviewed, reviewed, and reviewed some more. Many people will call...
  • Spin It! - Designing Your Own Motor Drive and Control System (Part 1)

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    Part 1: Series Introduction Howdy! For those of you unfamiliar with the saying, it is common in Texas and the official greeting at Texas A&M University, where I attended school! I’ll kick off this series with a story from my college...
  • So, Which PWM Technique is Best? (Part 1)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments So, which PWM technique is best for your motor control application? In case you haven’t guessed, this is somewhat of a trick question. It’s kind of like asking “which ice...
  • The Ten Commandments of Digital Control (part 1)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments Despite the fact that I now work for the Microcontroller Division of Texas Instruments; deep down, I still consider myself to be an analog engineer. I must confess that I didn’t always...
  • Microstepping Resolution vs. Microstepping Accuracy…Clearing Up the Confusion

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    Jose Quinones, (Analog Motor Drives - Applications Engineer) My favorite motor has always been the stepper motor. It does not matter if it is bipolar or unipolar. It does not matter if it is permanent magnet, variable reluctance or hybrid. Either way...
  • Spin It! - Designing Your Own Motor Drive and Control System (Part 2)

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    Part 2: Component selection Howdy! Welcome back or if this is your first time here you can check out the introduction to this series, Spin It! - Designing Your Own Motor Drive & Control System (Part 1) . Now that introductions are over, it’s...
  • Teaching Your PI Controller to Behave (Part II)

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    Dave Wilson, Motion Products Evangelist, Texas Instruments In my previous blog on this topic, we briefly reviewed the history of the PI controller and presented two forms that are commonly used today. Regardless of which form you use, the frequency...
  • Get Your Motor Running: Speed Loops

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    It’s amazing where the mind goes when doing something it would rather not, or more to the point, doing something borderline painful. For example, during today’s spin class, as the teacher was screaming to the class to maintain greater than...
  • Spin It! - Designing Your Own Motor Drive and Control System (Part 3)

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    Part 3: Schematic Capture Howdy! Welcome back or if this is your first time here you can check out the rest of the series at Spin It! - Part 1 (Introduction) and Spin It! - Part 2 (Component Selection) . We have our idea in mind, we have our...
  • Tricks in current regulation when micro-stepping a stepper motor

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    I have a friend who just loves the latest technology around the world. With all the fever over 3D printers, he recently invited me to his apartment to admire his new masterpiece, a homemade 3D printer. Well, he did do a good job printing me a puppy, with...
  • Motor drivers key to TI’ers BoosterPack designs

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    As motor heads, we are naturally drawn to working with motors, but what about those who are new to the field or interested in getting started tinkering with motors? How can we educate them and get their motors spinning? As part of the internal BoosterPack...
  • Determining Motor Torque is Easy...Right?

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    Dave Wilson, Motion Products Evangelist, Texas Instruments I recently ran into an interesting dilemma while running tests on TI’s new InstaSPIN™-FOC sensorless motor control software. “How do you define motor torque?” On...
  • Get Your Motor Running: AEC-Q100 automotive grade drivers

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    In my frequent travels, I get to “test drive” a lot of rental cars. And to be honest, until recently I was the type of person to drive a car until the wheels fall off. Well I have to hand it to the boys in Detroit, they’ve finally figured...
  • The art of stopping a motor

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    When starting to develop a motor driver system, most of the attention is focused on initially spinning the motor. But soon after the successful spin, you may find that it is also very important and even more challenging to stop the motor properly. You...
  • The art of stopping a motor – VM pumping

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    In my last post we talked about methods to stop a motor . As a refresher, check out the table below. In this post, we will dive deeper into the VM pumping mechanism and how to avoid the pumping. When and how is VM pumping up? In one...