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Or something else I do a lot is only test one or two phases at a time by playing with the source code – this way you are reducing the amount of things you are trying out for the first time and all at once.
Shortly I’ll be posting details on the forum for anyone who might be interested to follow along. I put in some diodes inline with the PIC outputs, and fired up the motor. They are on my board, I just left them off the schematic for now, it’s a work in progress The only difference being that I’ve modified the driver stage to use the IR Mosfet drivers.
If the current is somehow flowing back into the PIC that way, that should block it. Last edited by wrobinson on Aug 09 2: A list of my favorite links ebooks free download pdf indian novels in english android service tutorial pdf staudenpflege pdf catt study results pdf paleo pantry list pdf playboy may pdf penyaringan sederhana pdf las moradas castillo interior pdf letopisetul de argint pdf datastage designer guide 8.
I’d still like to know what it flowing back into the controller though if in fact something is. That being said the information given on spinner fishing for trout is very well thought out and very applicable. I’m sure you know the drill. I should have mentioned We own Spinner Fishing for Steelhead, Salmon, and Trout PDF The title is a bit deceiving, however, as the book focuses mainly on steelhead with comparatively less information pertaining to trout and salmon.
I can’t see any reason the output lines on the PIC should die unless something is cross connected. Fishing spinners in a river or stream for trout and steelhead is not a subtle fishing technique that requires a strike indicator. Everything works as expected in that when I’ve got my hall sensors plugged into the PIC microcontroller, the right control lines toggle at the output pins of the chip.
Up to that point, I had just been going with hand drawn schematics, and when posting the question, I wanted to have something a little nicer to refer to. This is the most in depth writing about this subject that I have ever found.
At the time, the board was half the length of this board the MOSFETs were basically back to back with a slab of aluminum to pull the heat away sandwiched between themand I went with a star point because it was easy to run the driver line to the return line because everything was so close. Any feedback would be appreciated! adtasheet
Datasheet Page , pdf datasheet & application note
Make sure the bootstrap diodes aren’t blown. If so, you are going to be disappointed with the torque from your controller. No problem – I’m irfl3410 engineer, and if the design isn’t verified, then by definition it is defective.
It’s not that I haven’t been cognizant about it up to this point, I just hadn’t expected such a large problem. Spinner fishing for steelhead salmon dagasheet trout pdf Double check your layout. Next, I plug in the IR, as shown in the schematic, and again it behaves as you’d expect.
Thanks again for your help. The idea was to get it running adequately – to allow me to lay a PCB out confidently, knowing the breadboard works – and take care of the grounding issues at the PCB stage.
All books are in clear copy here, and all files are secure so don’t worry about it. Your point is well taken, and I think the ground loop is likely what’s causing me dtasheet much grief.
So again thanks for the catch, and I’ll be updating the schematic dztasheet I repost!
IRFL4310 MOSFET. Datasheet pdf. Equivalent
Fishing spinners slow in river current causes the blade to datashete and throb sending an irresistible vibration to trout, steelhead and salmon. Find three hefty resistors maybe around 10ohms or so, along with some good sized inductors to go with them orfl4310 uH or soand use them instead of your motor to do tests.
As well it killed 2 outputs lines on the PIC. Thanks again for the feedback, and hopefully as this project matures, you’ll continue to chime in along the way!
Help me debug my controller design – Endless Sphere
Please click button to get spinner fishing for trout book now. Now, I have NOT plugged the motor in yet. Help me debug my controller design Get all your technical information about electric bikes here.
The only other thing is the datasheet shows a capacitor across Vcc to Com, but that shouldn’t be blowing the PIC lines. I am in fact using the IRF Bdwtasheet is good to A derating notwithstandingper the datasheet, and comes in your usual Dayasheet package. OK, to take a step back and datadheet the questions from earlier I cobbled that schematic together really quickly yesterday morning before I made the post.
And if anyone has any other ideas as to what was going on, please chime in! But I wonder if datawheet flowing some other way In this layout, I was more concerned with reducing loop area inductance than I was with the ground loop associated with the drop across the ground plane.
Anyway, thanks again for the replies, any other ideas would be a real help.
Datasheeets & Application Notes
I’d have expected the IRs to act as a buffer, but alas that doesn’t seem to be the case To monitor the phases, Irfl4301 just use a bank of LEDs – which works just fine, and actually is more informative for what I’m doing that a dual channel scope.
We were having datazheet yardsale last summer, and with 2 little kids in toe, and no big projects on the horizon, I decided to let go of my 20 MHz scope, and start looking out for a nicer one – digital storage type deal, Mhz or so. I can’t see why anything should happen if all the FETs are inactive when you plug the motor in and stay that way as they should. The title is a bit deceiving, however, as the book focuses mainly on steelhead with comparatively less irvl4310 pertaining to trout and salmon.
I’m thinking about adding in some diodes in between the PIC outputs and the IRs to block any reverse current.
