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Platform forum

Sniper2 , 11-26-2024, 06:34 PM

not all the other work that comes after

QDrives , 11-26-2024, 07:29 PM

https://github.com/dzimmanck/python-planar-magnetics

QDrives , 11-26-2024, 07:29 PM

https://github.com/quaffle51/psikic

Sniper2 , 11-27-2024, 08:06 PM

got some working winding numbers man that was a lot of math.... didnt even start pcb part 😭

Sniper2 , 12-14-2024, 07:57 PM

i am back

Sniper2 , 12-14-2024, 07:58 PM

math was a real pain

QDrives , 12-14-2024, 08:34 PM

I did not feel a thing 😂

Sniper2 , 12-14-2024, 08:44 PM

Sniper2 , 12-14-2024, 08:45 PM

restudiiing magnetics was hard since that is way more niche then normal electronics

Sniper2 , 12-14-2024, 08:45 PM

+ i am still winging it

Sniper2 , 12-14-2024, 08:45 PM

and overcompensating a lot with oversized stuff

Sniper2 , 01-15-2025, 08:26 PM

soon well see if it is golden or junk

Sniper2 , 01-29-2025, 08:51 PM

so

Sniper2 , 01-29-2025, 08:51 PM

mechanicaly it does not fir 0.1-0.2mm mitake

Sniper2 , 01-29-2025, 08:51 PM

but round one does

Sniper2 , 01-29-2025, 08:51 PM

time to measure and assemble

Sniper2 , 01-29-2025, 08:52 PM

+try sandpaper

QDrives , 01-29-2025, 09:36 PM

As in the ferrite core does not fit???

Sniper2 , 01-30-2025, 05:36 AM

No ill make it fit somehow

QDrives , 01-30-2025, 03:43 PM

Dremel? 😂

Sniper2 , 01-30-2025, 04:37 PM

sand paper and tons of manual fieling

Sniper2 , 01-30-2025, 04:38 PM

@QDrives i fit but didnt have time to measure but i also bought the WRONG clip size

Sniper2 , 01-30-2025, 04:38 PM

isolating tape will do for now

QDrives , 01-30-2025, 04:43 PM

No 3D models?

Sniper2 , 01-30-2025, 05:16 PM

IT IS TOLERANCES

Sniper2 , 01-30-2025, 05:17 PM

also i think i used a tolerance wrong and ended shrinking something not makeing it larger

Sniper2 , 01-30-2025, 05:17 PM

but i managed to make stuff merge

Sniper2 , 01-30-2025, 05:18 PM

inducttance measurement on Friday + compared to xcel

Sniper2 , 01-31-2025, 06:46 AM

Measured but nothing makes sense

Sniper2 , 01-31-2025, 06:47 AM

I set up or did something clearly wrong

Sniper2 , 01-31-2025, 06:12 PM

yea i need to get a better RLC meter

Sniper2 , 01-31-2025, 06:12 PM

the old one i have neasures a inductabce as a capacitance

QDrives , 01-31-2025, 09:04 PM

Do you have a scope and function generator?

Sniper2 , 02-01-2025, 09:45 AM

not at home

Sniper2 , 02-01-2025, 09:45 AM

i plann to use ring tester after i get my hands on a scope

Sniper2 , 02-01-2025, 09:57 AM

i have a place in mind and i plann to use a polymer type 10-15nF cap and 1K ohm resistor and then PWM it at 1kHz and count rings and math it out

Sniper2 , 02-03-2025, 05:13 PM

first round of measurements is a bit dissapointing

Sniper2 , 02-03-2025, 10:13 PM

math problem

Sniper2 , 02-03-2025, 10:13 PM

if it iis this i am +-10% from target

Sniper2 , 02-03-2025, 10:13 PM

but man leackage is 10-15% anyway

Sniper2 , 02-04-2025, 10:44 AM

No

Sniper2 , 02-04-2025, 10:44 AM

But somehow I get half of what I expected

QDrives , 02-04-2025, 03:19 PM

Was this on a special test board or a 'production' board?

Sniper2 , 02-04-2025, 03:37 PM

test

Sniper2 , 02-04-2025, 06:26 PM

yea some cores seem to be with single datasheet and some are in pairs in datasheet

Sniper2 , 02-04-2025, 06:26 PM

that is why i got some right and some wrong

Sniper2 , 02-05-2025, 08:11 PM

yea so aparently u have systematicaly half the inductand because i have half the needed turns.....

Sniper2 , 02-05-2025, 08:12 PM

i can stick 4 PCB in this so i sort of can save it but a smaller design is wrecked since i can only fir 1 PCB in there

QDrives , 02-06-2025, 03:31 AM

I assume you need the trace width for the current and do not want to go with more layers?

Sniper2 , 02-06-2025, 04:25 AM

Yea