IRFSPPBF Infineon Technologies MOSFET 75V 1 N-CH HEXFET Infineon Technologies IRFSPPBF CoolMOS™ 7 Superjunction MOSFETs. manufacturer’s name, IRFSPPBF. case, D²Pak. max. drain-source voltage [V], max. continuous drain current TC = 25°C [A], max. drain-source. IRFS reel – Xtron · Yuasa · Zettler electronics · Zilog. IRFS reel. power-mosfets View larger. power-mosfets IRFS reel IRFSTRL7PP.
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Hi Shane, I really like your motor driver.
IRFS , power MOSFETs – elpro Elektronik
Aside from the fact that I soldered four out of six diodes in backwards the first time, the controller so far seems to work. I haven’t looked at it for a couple weeks now, but I think it’s the version that runs irs3107 the 32 bit MCU, right? Great write up and controller Shane. What I was thinking irfz3107 doing sometime is modify my firmware to make a dual brushed motor control mode – that would make for a very versatile controller. Oh, and it runs on an Arduino. Didn’t read it through.
Monday, January 10, Victor I’m kind of new at this thing. I love those multi-source pin FETs too, but achieving good cooling is a bit harder with them than with regular FETs, which is why I don’t use them.
One important thing that would reduce ground noise much in your layout would be to tie the low side FET sources together very closely instead of doing this to the high side FET drains, a less critical point.
Hi Shane, I thought that you might not be able to restrain yourself from designing another controller for this project! Did I forget to mention that? It’s silly question btw.
IRFS 3107-7 reel
I ask because I have my own controller designed around a 8 bit PIC 18Fand was thinking of having some fun with some of the tastier code tidbits from your code. The motors might not last that long, though. Irfw3107 previous design was based on a bit MSPF MA March 26, at 2: Click for full resolution image. BTW, I think you could have pulled off making this controller without any isolation and maybe also faster switching speeds thus less switching losses and less parts count.
Oh, and I was wondering if you had any current sensing as I didn’t notice anything that looked like that? If it survives some more abuse testing, I’ll post the design files so you can try it out yourself.
Shane Colton April 22, at 1: I appreciate your help and congrats for the blog! Anonymous April 14, at 8: Also, additionnal power capacitor bypassing for high frequencies would be crucial when trying to switch your FETs faster – cheap MLCC’s are really great for this. Okay, so I know I said that one of the best things about building a brushed DC motor-based snow scooter was that for just this once I do not have to design a motor controller for the project Posted by Shane Colton at I’ve just entered this universe, even studying electrical engineering, and I’ve started my own board with a gate driver, the HIP, that’s the only thing I had available Kevin April 22, at 6: Sometime soon I might try designing a higher power controller and then I will revisit all these considerations.
I chose a capacitor C10 above to set the dead-time to 1. I’ve only tested on the bench supply, but it was able to drive about 25A before alligator clips started melting. Shane Colton July 7, at Well, I made my PCB, with all the gate resistors, reverse diodes coupled with the Mosfets, pull-down resistors attached to gate-source pins, but I’m facing a heating problem in the HIP: I’ve been thinking of using a mountain bike tire with the side walls removed instead of a timing belt as a track.
I borrowed it for the photo. I get what you’re saying about isolation and ground noise. Would you mind posting some more information about it such as bill of material, eagle files and arduino sketches.
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Hi Caio, Thanks for the kind words. I was looking for schematic first and then suddenly curios TKP. This one’s not mine, okay? Hopefully, it will just work and I can plop two of them into the snow scooter to run at 18V-ish. No current sensing on this controller. If the brushes get vaporized, I’ll probably switch to sensored brushless, for which I already have a pretty good solution. Caio May 31, at 5: Before I forget, I want to thank you for posting your brushless controller’s source code a month or so ago – very irfs31007 and also very generous of you, Shane!