Circuitfeed’s Latest

  • Why Does a MOSFET Burn Out? 9 Causes of MOSFET Failure (and Fixes)

    A burnt MOSFET is never random — it’s the end result of one specific stress the part couldn’t survive. This guide breaks down the 9 real causes of MOSFET failure, from weak gate drive and motor back-EMF to H-bridge shoot-through and bad heatsinking, with the exact fix for each.

  • MOSFET Interfacing: Direct Drive, Gate Drivers and High-Side SwitchingMOSFET Driver Circuits for ESP32, Pico and Arduino (N & P-Channel)

    Learn how to drive N-channel and P-channel MOSFETs from ESP32, Raspberry Pi Pico, Arduino, and TTL logic. Compare direct logic-level drive with 10V gate-driver circuits, solve MOSFET heating caused by under-drive, and download datasheets for popular power MOSFETs.

  • BLDC Air Cooler Controller Connections and Working

    Induction motor vs BLDC motor The air cooler industry is gradually shifting from traditional shaded-pole and capacitor-run induction motors toward Brushless DC (BLDC) motor technology. While the external appearance of the cooler may remain unchanged, the electrical system inside is significantly different. As a designer of BLDC cooler controllers, I have observed that most users…

  • Introduction to TVS diode

    Definition of TVS Diodes Transient Voltage Suppression (TVS) diodes are essential components designed to protect sensitive electronics from voltage spikes and transients. These abrupt and extreme fluctuations in voltage can be induced by lightning, electrostatic discharge (ESD), or switching noise from other devices within the circuit. TVS diodes work by clamping overvoltage events to a…

  • FW Rectifiers: Calculation, Filter, Circuit Diagram and Working

    Learn everything you need to know about bridge rectifiers, including their calculations, filters, circuit diagrams, and working. Find out how to calculate the efficiency and output voltage of a bridge rectifier, and understand the concept of LC filter. Explore the bridge rectifier circuit diagram and working principle, and gain a deeper understanding of this essential…

  • Electrical Resistivity of Materials

    The Fermi level energy determines the electrical resistance of a material by affecting the number of available states for electrons. Energy absorbed can also be converted into thermal energy and photons using thermodynamics.

  • Advancements in rectifier : A Brief History

    This post explores the advancements in rectifier AC/DC converters technology and its history. Learn about the latest innovations in power quality, efficiency, circuit design, component technology, control algorithms, and switching technologies such as GaN and SiC. Discover the evolution of rectifiers, from vacuum tube rectifiers to synchronous rectifiers, and their impact on the electrical grid…

  • The Complete Guide to the Different Types of Rectifiers

    Rectifiers are devices used to convert AC voltage into DC or direct current. There are two main types of rectifiers. one is an uncontrolled rectifier and another is a controlled rectifier. Uncontrolled rectifier An uncontrolled rectifier is a type of rectifier circuit that does not use any external control elements to regulate the output voltage…

  • Introduction to Silicon Controlled Rectifier

    The silicon-controlled rectifier is an SCR abbreviation. and related to thyristor family semiconductor devices

  • snubber circuit design

    RC snubber circuit drawing with calculating snubber resistor and capacitor and analysis ringing signal parameters.