Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
I added a 100nF across Rgk, it's a bit better but I don't think it is a good idea for gate inrush current (that's why R2 is here)
I don't have a lot of X2 cap and suitable resistors with me. I tried a snubber 39R-110n, 330R-10n.
Increase C1 seems to worsen the situation whereas I thought it was...
Hello,
I have always used the following schematic to control my lighting in my application :
I have changed the lights for a 100W sodium-vapor lamp and a 39W tube lamp. Both have an integrated electronic ballast. And now, even when optotriac is off (I assume it from the input led command I...
Hello,
On which microcontroller ?
Usually, manufacturer provides examples for this application. I always start from here, because from a platform to another the startup code won't be the same. For example, ESP32 development kit will hide you all the stuff about scheduler implementation. But it...
Hello,
I use a STM32G473 on my board, and I need to save a few bytes of data when the 24V power supply falls. I have more than 400ms to perform the saving, more than enough.
I am facing a weird issue : when I call the following function, from the Main loop (or ISR, same behavior), at power down...
Hello :)
I face to a recurrent problem when I program a microcontroller with a lof of actuators. In order, to limit the power supply's size, I allow the user to use only a few of them in the same time. It is easy when there are only 2 or 3 actuators maximum. But it becomes complicated to manage...
Hello :)
I am working on a 230V inverter from a 350-450V supply voltage. For now, I am only working with 30V while I am configuring the dsPIC and the hardware.
The dsPIC makes the right PWM. For now, I put a large 200ns dead time between the PWM signals. Unfortunately, I cannot explain the...
Hello,
Sorry for the very late answer. I had other tasks, holidays...
Thank you a lot both of you for for your answers and the simulation file, I will have a look
Bye :)
Hello every one :)
I am still studying a PSFB 48V to 350V 1kW.
Despite all my researches, there is something I am still unable to understand : how to choose the transformer's magnetizing inductance ?
In the UCC28951 documentation, page 42, TI gives the minimum condition to stay in CCM operating...
Hello,
I am using a LM5046 circuit. But there is nothing about the model. I will probably use the one you gave me, thank you for this ! With that I will be able to design the right compensator
Thank you again
Hi,
My problem is not to make it stable, I know what I will have to do to design my compensator. But to do this, I need a model, from measurements, or from simulation. But we don't have the means to buy a power converters simulator to get the bodes neither a frequency analyzer.
Therefore, I try...
Hello,
Thank you for your answer.
Unfortunately this kind of tool is very unaffordable for my company.
We have heavy temperature constraint, I will use an isolated op amp from Analog to do this.
Usually, how do the power converter designers design their converter ? Is the simulation the new...
Hello,
I am new on this forum. I have seen very interesting content here. I am a French student in electronic engineering in an apprenticeship program, so I also work in a company. And this year, my project is to design a 48V->350V 1kW Phase Shift Full Bridge converter. It's a fascinating...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
