Electronics > Projects, Designs, and Technical Stuff
Design of SMPS - Not sure what these spikes are being caused by.
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b_force:

--- Quote from: T3sl4co1l on May 20, 2018, 03:01:13 pm ---Output current: probably lower because primary inductance is lower?  A 50% tap gives Lp ~= 25% of total inductance.  Maximum peak current remains the same, so you get less energy per cycle = less average power.  Ideally what you'd have done: wind the same (or more) number of turns on top. :)

Tim

--- End quote ---
That's the part you can simulate.
Just cut your model down, and change the value of the inductor and see what it does.

The ringing is a different story, although there are guidelines to figure where to look.
Just google on it, so many great articles and papers about it.
Zog:
You are right. Many great articles on it.
Trouble is you can't ask an article a question.

Hence why this forum is what it is.
A great way for people to help each other out about the things they don't understand just by reading them.

No need for teachers if we could all just read it in a book right ?

The "just google it" seems to be a catchall these days. It's good but not always the best way to get the exact knowledge you seek.
I am sure you agree. I have seen some of your posts  ;)
b_force:

--- Quote from: Zog on May 20, 2018, 06:54:18 pm ---You are right. Many great articles on it.
Trouble is you can't ask an article a question.

Hence why this forum is what it is.
A great way for people to help each other out about the things they don't understand just by reading them.

No need for teachers if we could all just read it in a book right ?

The "just google it" seems to be a catchall these days. It's good but not always the best way to get the exact knowledge you seek.
I am sure you agree. I have seen some of your posts  ;)

--- End quote ---
Yes I agree, and I don't often say it, but in this case I do believe there are some papers out there that will explain and summarize much better than I can.  8)
Zog:
Indeed ,and if you had followed the thread from the start, you would see that someone has already provided what I think is one of the best ones out there in this very thread !
b_force:

--- Quote from: Zog on May 20, 2018, 07:02:42 pm ---Indeed ,and if you had followed the thread from the start, you would see that someone has already provided what I think is one of the best ones out there in this very thread !

--- End quote ---
I don't really follow what you're referring to.
I did read the thread, but haven't seen a solution yet?

Anyway, doesn't matter.
The point is, with switching supplies a lot comes down to the PCB design and which parts you choose as well.
I will dive into my pile of papers later do show a better understanding of it  ;) :)
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