MOVs or metal oxide varistors are devices designed for controlling mains switch ON surges in electrical and electronic circuits. Selecting an MOV for a particular electronic circuit might require some consideration and calculation, I have explained the procedures here. What are MOVs Metal oxide varistors or simply varistors are non-linear surge suppressor devices which are […]
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Power Factor Correction (PFC) Circuit – Tutorial
In this post I have explained the different methods of configuring a power factor correction circuit or a PFC circuit in SMPS designs, and explains the best practice options for these topologies so that it complies with the modern PFC restriction guidelines. Designing efficient power supply circuits have never been easy, however in the course […]
How to Select the Right Charger for Li-Ion Battery
In this discussion we try to learn the right procedure for selecting a charger for a Li-ion battery. The question was raised by Mr. Akshay. Li-Ion Charger Related Question I have a 5000mAh Li-ion battery. Can i select a charger for my Li-ion battery having the following specifications, the product is available on ebay? I […]
3 Easy Capacitive Proximity Sensor Circuits Explored
In this post I will comprehensively discuss a 3 basic proximity sensor circuits with many application circuits and detailed features of the circuit. The first two capacitive proximity sensor circuits uses a simple IC 741 and IC 555 based concepts, while the last one is a bit more accurate and incorporates a precision IC PCF8883 […]
High Wattage Brushless Motor Controller Circuit
This versatile Brushless (BLDC) motor controller IC is featured to control any desired high voltage, high current, hall effect sensor equipped 3-phase BLDC motor with extreme accuracy and safety. I have explained the details in depth. Using the IC MC33035 The “hero” of the circuit is the single chip controller MC33035 which is a high […]
Simple Pneumatic Timer Circuit
In this article I have explained a simple two step IC 555 timer circuit which can be used for sequentially operating any specified industrial mechanism system, in this application it’s used for operating a pressurized pneumatic ball throwing arm. The idea was requested by Mr. Ray Strong. Technical Specifications So glad I found this site, […]