If this was Tool Time with Tim Allen, I would have had to start this post with “What do we want? More power! And so, I rewired it!…” only to be followed by “WARF…WARF… WARF…” But I am not the…
H Bridges
Keeping It Cool
by avayan • • 0 Comments
You are a secret agent with the latest in gadgetry; superbly handy weapons and an array of fashionably handsome disguises. Your counterpart and nemesis, Doctor Mayhembert, the most insidious villain on the face of this planet, has decided to plunder…
Questions on the AE-DualDC3A DC Motor Driver Board
by avayan • • 2 Comments
A reader posted a good series of questions for the AE-DualDC3A driver board so I thought of answering them on a post in order to offer some information on these topics. I will continue with the 3D Printer mania soon,…
How to Select Your Next Motor Driver
by avayan • • 0 Comments
One of the questions that I get the most is how to select a motor driver (AKA Power Stage) from the ocean of available units out there. I am a big fan of TI’s offerings, or a family of devices…
Power Dissipation and Power Losses; Which One is Which???
by avayan • • 2 Comments
Some time ago I wrote about power losses as a means to explain why a motor driver circuit gets hot. You can read the details of this article at the “My Chip Is Running Hot” posting. On this previous article, I detail…
An Interview With The DRV8833 (PART II)
by avayan • • 0 Comments
EBLDC : Hi again and thanks for tuning to the second part of this interview. Mr DRV8833, we are already experts in how to use you to drive two DC motors. But we hear there is so much more…
An Interview With The DRV8833 (PART I)
by avayan • • 3 Comments
Just recently I added a new design to my library of cool driver boards to consider for your next project. This time, the dual H Bridge design revolves around a low voltage device better known as the DRV8833. This puppy…
Can I drive 10A with the BTN79xx devices on the AE-7960 board?
by avayan • • 1 Comment
This question came recently on my forum so I decided to answer it with a blog post. Hi Cobo, Depending on what device you position on the board, yes, you could in theory reach 70A, as proclaimed by the device…
How To Decrease Noise on Your Stepper Motor Driver
by avayan • • 6 Comments
Ahhh!!! That stepper driver’s high pitch squealing is driving me nuts! Well, it has to drive you somehow as after all it is a “driver”, right? Well, nuts should not be it. It should drive your stepper motor and be done…
My Chip Is Running Hot! Am I Doing Something Wrong?
by avayan • • 2 Comments
OK, you are not doing anything wrong. Maybe you did something wrong a few years ago when you decided to be born in this universe as the laws of physics are pretty much defining that your chip will run hot.…