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So acoustic noise is one of the key applications, such as the ventilation, seat ventilation in the car today. Also, because there is no brushes on these type of motors, the motor lasts longer. Or even the power dissipation on this one specifically is very, very good, to where it makes this motor type more efficient. So for the reason that it does not have brushes, this specific motor type is very efficient because brushes are not there to wear out the rotor. So as you can see, we have a rotor, and we have also stator, which as the name mentioned, it does not have brushes, also the winding. This specific motor is a little bit of complex. So for those type application, as I mentioned, like the door lock, the door movement, or the seat movement in the car or in other seats, you can use this type application.įor the next motor type, I'm going to be talking about that brushless motor. However, if your requirement is cost, this specific model can be the right solution because it's cheap, and it's also its ease to design. So for applications that require those type of specific requirements, you need to make sure that you put this in a place before you can be able to choose this type of motor. And it's a little bit inefficient as well because of those brushes. The power dissipation from the motor, or from actually the wire here, it can wear out the brushes. And actually, brushes also, which is used more in applications that do not require high end efficiency or- for instance, one application you can use this specifically is like the door lock. For brushed motor, you have the rotor, you have stators. And also, I will highlight some of the applications where we use a specific motor type. So the next slide will highlight the motor types and the way you need them, and some of the benefits that comes with the motor. So after you've fed the motor, then the feedback from the motor where you read the motor voltage, position, the Kt value, as well as motor inductance, which this is fed back to the motor controller for specifically to get optimization of the motor before it starts spinning the motor. And I will talk more in detail on this specific part. The power stage is- this specific can be integrated, or actually, can also be out. The next thing you need, also the power stage.

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So the gate driver has the MOSFET, lever shifter control signals, power stages for detection as well as handling. And the next thing you need is a gate driver.

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So the motor controller can be a microcontroller, where you have to specifically program using the software to drive the motor, as well as some of the products are based on a state machine, also where the specific control can be done via a state machine for motor commutation. The feedback from the motor gets fed back to the motor controller.

And you need a motor controller, gate driver, and a power stage. So you need, specifically, you need a motor, for sure. And I'm going to be talking to you about the system just to get you understand what are those things you need to get to work. Let's get started.įor motors to work, there's a few things you need. I will kick off today's session with an overview of my product area. I am joined today by Chris Clearman, a product marketing engineer for TI's T2000 microcontroller focused on motor control. I am a product marketing engineer for TI's integrated motor controllers.

EETECH SMART TIMER UPDATE

Hello, and thanks for checking out this update around TI's motor drive solutions.

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