• Recent Blog Posts


    My first 350w smps

    microchip 05-21-2016 07:52 AM

    Power supply with KA3525

    there is a possibility to increase the output voltage by 10% for a smps with KA3525 when the duty cycle is 49% and I can not change the ratio in the transformer?

    econtrol 05-19-2016 08:32 PM

    copper tape wrap

    I wrapped the smps switching transformer with a copper tape to reduce the emi. What would you suggest the grounding procedure.
    The tape should be Grounded to DC directly or

    it should be grounded...

    Terry 02-01-2016 11:30 AM

    500 Watt Adjustable DC LOAD


    I would like to do some LOAD test for 12V, 24V and 48 Volt SMPS. Is there any Schematic available to build a MOSFET based Adjustable DC LOAD


    Terry 01-30-2016 12:19 PM

    Group Buy 2KW Class-H Amplifier

    OK................... How much it will cost ? (Stereo - Two assembled PCBs)

    sooraj 10-08-2015 04:10 AM
  • Recent Activity Widget


    1kW smps project (based on MicrosiM design)

    Thread Starter: ludo3232

    Hi all.. First sorry for my bad english.. I am new in this forum and will make a smps for my power amplifier. MicrosIM will help me for this...

    Last Post By: Weller 05-22-2016, 01:13 PM Go to last post

    PGA2311 Digitally controlled pre-amp

    Thread Starter: zeus_threat

    I am about to embark on a project using microchip controller and PGA2311 as a pre-amp. Am waiting for these to arrive: PGA2311 ic, HD44780 LCD,...

    Last Post By: zeus_threat 05-15-2016, 05:25 PM Go to last post

    Vacuum Tube SMPS

    Thread Starter: printer2

    The lengths that I will go through to save a couple of pounds of iron. Got it in my head to build a (roughly) +350V 0.1A, 6.3/12.6V supply for a...

    Last Post By: printer2 05-13-2016, 03:29 AM Go to last post

    Dc-Dc 5volt 30amp smps

    Thread Starter: jayadev

    I am trying to build a 12volt to 5volt 30 ampere dc-dc smps. I have used Sg3525 as switching IC and IRF3205 mosfets and MBR3040 output diode....

    Last Post By: jayadev 05-13-2016, 05:25 PM Go to last post

    JBL GTO 1004 amplifier full project.

    Thread Starter: erhan739

    hi there, ı'm posting my specials -) JBL GTO 1004 Power Output 100W RMS x 4 Channels at 4 Ohms 150W RMS x 4 Channels at 2 Ohms ...

    Last Post By: angellina 05-12-2016, 07:55 AM Go to last post

    I need a help about SG3525

    Thread Starter: dinithm

    I made SMPS for a car amplifier, but there is un expectable spike on it this is the waveform at IDLE 1A load heavy loads (<3A output) ...

    Last Post By: dinithm 05-20-2016, 04:22 AM Go to last post

    whats the best boost pfc feedback loop explanation you've seen?

    Thread Starter: JGalt

    Im teaching myself about boost pfc and while I've seen several datasheet/app note diagrams showing how the gain modulator/error feedback system is...

    Last Post By: 2rock 05-11-2016, 07:05 AM Go to last post

    introduction to microcontrollers

    Thread Starter: zeus_threat

    I have made a post at http://microcontrollerintro.blogspot.com/ for anyone to get a general idea of how to deal with microcontrollers in general and...

    Last Post By: zeus_threat 05-10-2016, 07:06 PM Go to last post

    My first 350w smps

    Thread Starter: microchip

    Hlo.frnds i m new here. I m not expert in smps but try ...sry 4 bad eng,,

    Last Post By: Silvio Today, 06:34 AM Go to last post

    My new chick :)

    Thread Starter: erhan739

    Hİ guys time is come... I finished my new chick.. it is hi; hi mid ; low mid speaker battery. The project completely my idea. i have so many...

    Last Post By: angellina 05-22-2016, 06:17 AM Go to last post