SMPS CIRCUITS Archive

2kVA, 4kVA PFC-supported Amplifier SMPS circuits. The SMPS PWM stage is controlled with SG3525, and the high voltage PFC stage is controlled with NCP1653A. It has a symmetrical +- 90..

High power SMPS application with IR2153 Welding machine. Used in profile welding etc. works well. Explanation for adjustment: The only adjustment to be made is to set the frequency for..

In the power supply device, TL494 integrated circuit is used for PWM control, power transistors are IGBT (or mosfet), IR2110 integrated circuit is used instead of transformer for driver. Power..

Active PFC supported SMPS power supply is made with IR2156 Ballast driver integrated circuit. Active PFC section uses MC33262 active power factor integrated circuit. Output voltage of SMPS circuit on..

I made a PCB drawing with the power stage of the TL494 control circuit that I shared in the article “Converting a Computer Power Supply to a Battery Charger”. The..

I don’t know about ultrasonic welding for plastic, but there are projects that can be useful for those who are interested. The appropriate ultrasonic with sufficient power in the application..

I prepared a PCB for the Simple Switch Mode Power Supply Self Osc ATX Transformer that I shared before. It is compatible with the battery boxes of many drills. Apart..

I made an application about converting the old generation ATX power supply to a 0.24v 0.8.5A regulated power supply, as in the project of converting the computer power supply to..

A modification to convert an old generation ATX or older AT computer power supply to a 4AH..100AH battery charger. You can add a TL494 controlled module to the power supply..

The designed SMPS charger system uses both constant current and constant voltage charging methods. It can be used to charge classic, gel and traction accumulators with a working voltage of..