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its powered with 48V at 2.5A so its draws ca. 120W

Hello, no if either the voltage get to high or current get to high the duty cycle will be reduced via the optocoupler and the "ored" diodes. Otherwise if the voltage gets to low, the duty will be increased same goes for current. Of course you could use 2 Optcouplers too but then you would just "or" the Optocoupler transistors instead of the Schottky Diodes. Here an Example: www.ti.com/lit/df/tidrde5/tidrde5.pdf?ts=1734553048482, look at the Right lower side of the Schematic

@KonstantinGrigoriadis my knowledge doesn't reach this far so therefore my comment. One other thing I try to find is to have a smps that is controlled by a microcontroller ie a STM32 but so far no luck except PID controlled SMPS

What kind of Switchmode PSU are you looking for ? , what Specs ? (except of MCU Controlled), there are many DCDC Converters on ALI that are MCU Controlled.

@KonstantinGrigoriadis let's start with 20v 3A. Just want to work out how to approach attack this design. I'm sure you can change it to many voltages and current combinations. Ie encountered TI TL594 which is an elegant DC-DC controller.

Here are is a simply U/I Digitally Adjustable Power Supply using of the Shelf parts. www.deeptronic.com/electronic-circuit-design/programmable-1-30v-lab-power-suppl/ www.deeptronic.com/electronic-circuit-design/digital-control-for-laboratory-power-supply-using-arduino/ Cheers, Konstantin

Hi, thankyou, yes sometime i think in German while I speak in another language :-) btw this little sttc is working quite well! Gruesse, Konstantin

Thankyou, more of that is already in the Queue :-)

Efxaristo!

Hello, Thankyou: Core size: length 43MM * width 43MM * high 15MM Suitable frequency: 15KHZ-50KHZ Primary pins: 1+2, 4+5, 7+8 Primary wire diameter: 25 * 0.2MM 5 square copper Primary Turns: 3T + 3T Secondary Pins: 9,11,13 and 15,16 (0,220,380V and 0,18V) Sub-pole diameter: 0.6MM Sub-pole laps: 0 + 55T + 40T, 5T That is what Ali-express says, Cheers

​@@KonstantinGrigoriadis Thank you very much. Appreciate it 😊

Thankyou !

Hello, with what voltage you powered the Module and what Load you used ? Normally these things work ok when used in their real limits, except if you had faulty module. To use the tl494 it must be configured as a single output for a flyback . The tl494 has no advantage in this circuit as a flyback over the uc3843. The comparators are used for Over voltage and Overcurrent . Cheers, Konstantin

@@KonstantinGrigoriadis I tried powering a small neon lamp (about 90 volts) through a 1 megohm resistor. The supply voltage of the module was 12 volts. Even the LED indicator on the module burned out. There is supply voltage on the LED pins, but the LED has gone. I have quite a 16 pin tl494, it has built in comparators. If I like the Frankenstein that will result between the TL and the module, I might consider factory pcbs. :)

Hello, Contact me via my Channel Email to send it to you. Cheers

Hallo Chris, Danke! Was würdest du brauchen ? Ich habe ausser den Originalen die ich im Video zeigte leider nichts anderes.

Thankyou!

Hello, nee Ugly, expensive and I have no Idea how to do it :-)) These things must be dirt cheap if i knew where to find them.

@@KonstantinGrigoriadis ugly that depends on how u print them fast PLA print looks bad but they can also be made nice . I also agree that if you find them online it is the best option. Regarding 3D model there is probably one online or similar

Can you contact me via Email for the Link to the 3D Model, to see how it looks. TH-cam does not allow Links in Comments. Cheers

If you find the 3d design file you can order it from PCB way too.

Thankyou, I used pcbway for 3D printing too months ago :-)

Hi, yes Interest was low

Yes the internal switch is only 100mbits , as for the rf part, seems the uf.l similar conn is only for test reasons in the factory, an external Antenna can be connected only on the non populated connector footprint.

@@KonstantinGrigoriadis that makes sense, probably there is a cheaper version without the GB switch IC but most of the same code. As for the uj.L it would also make sense to use that as a pass through test point, not much of a stub left

Hello, thankyou, send me a email to explain what you need to build the charger, cheers, Konstantin

Hi, this although happens only with PSU's that rely solely on a mains Doubler when powered with 120V and the Input Capacitors are to small to deliver and do not use active PFC. BTW A forward Topology(not even 2 Switch Forward) or even Halfbridge is not nearly specified for 2K8W you mention independent how big the core is! This Wattage is for a FullBridge LLC with Active PFC !!!

They interface mechanically and Electrically by large solder hoints

Hello, you mean the Power Transformer is Faulty ? If so, I don't think that you can buy a spare.

@@KonstantinGrigoriadis i'm talking about the (driver transformer) -the small green one- it is faulty how can i found its information?

@@NeOTECHSHESHE Check my Community Tab on My Channel start page I added there some Info's about the Gate Drive Transformer. I am Surprized that the Transformer is Faulty, are you sure ?

To Lower the Q and dampen the resonant peaking of the system. Resistor I used is 100Ohm 1/4W no more needed because the current Passes the Bead an not the Resistor. The Bead has a XL(impedance) only at a specific frequency, at DC its near Short circuit

@@KonstantinGrigoriadis so it is basically like a snubber?

Its to prohibit Oscillations, Near the Resonant Frequency of the Bead itself. You can call it in the widest meaning a snubber. www.roehrentest.de/TSchwingungen_EN.pdf

Thankyou! Yes the Top PCB was the First version, where I had it planned differently, the later ones are Sized correctly, but I was to lazy to populate a new one :-)

Hello, Thankyou! It took me almost 2 Years to finish it bcs it had low priority , I did many modifications and many things came in-between, but during xmas holidays I finished it.

Hello, Yes, Click on my channel description that ends with ">" or "...more" to open the About section, there you can find my Email. Contact me via Email to send you the Schematic. IMPORTANT! Use only a desktop browser!, seems that youtube on a mobile does not show the email Address for "security reasons"!

@@KonstantinGrigoriadis Спасибо, написал на почту.

As I said , I do Reverse Engineer the PSU, trace the Tracks components and connections of the PCB Board, draw the schematic on Paper fist and after if all looks ok i draw it in Cad. This takes from Hours to Days !

Hello, thankyou! Its a paid design, i cant do anything with the design, evermore it needs the software for the opi or raspi which is copyrighted by the company that gave me the order and a signed nda. Without this custom software it just a paperweight :-) The hats are handsoldered (soldering Iron and Hot Air) the boxed one I used a hot platte. You can upgrade your THS710 to a Higher Model and i have made a 1:1 Dropin led backlight controller to replace the ccfl and also a external battery Charger. Cheers, Konstantin

@@KonstantinGrigoriadis Oh, ok, in the video at 7:23 you said that you made the boxed one with an oven. After you mentioned that you like the THS720 for SMPS design in a previous video, I watched your videos about the great led backlight controller replacement and the charger you made. I plan to upgrade mine to a 720P with LED backlight. Nochmals danke!

Yes in the Video I said Oven, but I meant Hot Plate...I have a T-962A Oven, that I customized and Upgraded (Mechanics, Hardware, Firmware) but I did not liked it, so except of a couple of Tests I never used in reality... Btw. Gerne :-)

Hello, Unfortunately I did not have much luck with it, even I contacted Benning Directly, they answered me and send me a Document that I already have but that does NOT give any Info's about the Pinout or the Set Protocol.

@@KonstantinGrigoriadis ah yes i found the same problem , they said to me they dont give out schematic or diagrams as they "may contain intellectual property" . So will continue testing till i find the problem 🥲

@@kur715 to me they said thats all they have… I asked only for a pinout and howto control the output without using a rack controller…

Yes bcs others have no issues with it.

Please try with a desktop browser , with my mobile I too cannot anyones email in youtube… seems that youtube on a mobile does not show the emails Address for security reasons (that i read on the google help page…)

@@KonstantinGrigoriadis Okay, I will try

Thankyou Dave!

Efxarito Ilia!

Hello, contact me via Email to send you the schematics.Click on my channel description that ends with ">" or "...more" to open the About section, there is the Emails Address, cheers, Konstantin

Hello, Click on my channel description that ends with ">" or "...more" to open the About section. Use a desktop browser!, seems that youtube on a mobile does not show the emails Address for security reasons.

Hello, I can send you the Design Files (Gerbers, Bom, Schematic) via Mail. My Email is in the Description of my Channel. Please bear in mind that my Design was made for a High Voltage Capacitor tester, hence the Output Capacitor is only 1uF 1KV. You would nee to change that if you need Higher Current.

Sorry, not able to locate your email. ​@@KonstantinGrigoriadis

Click on my channel description that ends with ">" or "...more" to open the About section.

@@cslim3881 scroll down to channel Details, you MUST be logged in to see the Email, or try to write here your email not in clear text bcs youtube will delete the comment.

Hello, Thankyou!

Good Evening Andrew, Thankyou! Btw you can send the schematics to my email if you want. Btw, I forgot to show the Schematic of the power Section on the mcu pcb, I uploaded it on the Community Tab. Xeretismata , Konstantin

Hello, I fully reverse Engineered the Power Supply!

@@KonstantinGrigoriadis Excuse me, do you have a Facebook page because I need to ask a question about this topic?

Hello, I Have but its Private. You can ask me on youtube or you ca contact me via email, my email is in my Channel Description. Click on my channel description that ends with ">" or "...more" to open the About section. Cheers, Konstantin

do you have circuits diagram for linear power supplies ??​@@KonstantinGrigoriadis

Which ones ?

Hello , Yes contact me through Email to reply you with the Design Files. Click on my channel description that ends with ">" or "...more" to open the About section. Cheers, Konstantin

Hi, which ones ? in the video description are links to the parts showed in the Video, if there is not the Current stated, I roughly calculate it based on the wire Diameter.

@@KonstantinGrigoriadis i checked the links and there was not data on rated current . I was referring to the 3 types of 1MH inductors, there is no data regarding current rating or saturation current.

Hi, if there is not the Current stated, I roughly calculate it based on the wire Diameter, these are just for testing not for anything serious. Further don't forget that the data given on Ali are mostly not correct....Example the RM6 Power Inductor is stated for 18A at ali, I contacted the Manufacturer and he send me Datasheets where it is only for 12A....This is why I prefer to use it according to my estimates, when there is no serious datasheet available. For wire diam of 0.5 to 0.6mm I estimate ca. 3 to 3.5A, for 0.8 to 1mm ca. 5-6A conservative.

@@KonstantinGrigoriadis THX i was alo looking for some huge inductors for a power supply and since i am bad at picking toroids i am sort of stuck ... now i have a few to pick from

No Problem !

Hello, yes this can be done by using the dac 0-5v output instead of the 10k VTR potentiometer, cheers

@@KonstantinGrigoriadis thanks a lot 🌹💖

Hi Bjorn, Yes the Heartsicks are very cheap, but only for medium to low loads. The SMD 12x12 Inductors are made by so many Companies (Würth, Sumida, TDK, Bourns, and many Asian Brands,etc) its just another CN company that makes it :-) These of course from ali I would not use for Prof design. Cheers

Hi Dave, Yes :-)

Hi Alesaandro, thankyou for the info, haven't seen that AN-86 (A Standards Lab Grade 20-Bit DAC with 0.1ppm/°C Drift) from 2001 yet, yes that makes sense :-). Cheers, Konstantin

Onois tous C2 & C3 ? Ine 10nF. Xeretismata

@@KonstantinGrigoriadis Ευχαριστώ πολύ.

Parakalo !