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Inductor

Do We Need a Freewheeling Diode Across the Inductor in Boost Converter?

Last Updated on May 11, 2025 by Swagatam Leave a Comment

So here we are trying to understand whether we must put a freewheeling diode directly across the inductor in a boost converter or not, to safeguard the switching transistor? How Boost Converter Works So in a boost converter, we got one inductor, one power switch like a MOSFET, one diode and one output capacitor. Input […]

Filed Under: Voltage Control and Protection Tagged With: Boost, Diode, Freewheeling, Inductor, Need

Inductor Working and Designing, with Formulas

Last Updated on May 20, 2026 by Swagatam 11 Comments

inductor image

In this post I have explained all the basics of inductors, its working principle, and how to design inductors with the help of formulas and calculations. Inductors are vastly used from mobile, laptop chargers to high-end communication equipment like mobile base stations to the satellites orbiting the earth. Let us take a deep dive into […]

Filed Under: Electronics Theory Tagged With: Designing, Formulas, Inductor, Working

The Role of Inductor Coil in SMPS

Last Updated on July 5, 2025 by Swagatam 21 Comments

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The most crucial element of a switched mode converter or an SMPS is the inductor. Energy is stored in the form of a magnetic field in the core material of the inductor during the brief ON period (ton) switched through the connected switching element such as MOSFET or a BJT. How the Inductor Works in […]

Filed Under: SMPS and Converters Tagged With: Coil, Inductor, Role, SMPS

Capacitor Inductor Calculations

Last Updated on May 20, 2026 by Swagatam 4 Comments

function of I

Inductors can be imagined as the opposite of capacitors. The main difference between a capacitor and an inductor is that a capacitor carries a protective dielectric between its plates, which inhibits the conduction of current across its terminals. Here it acts like an open circuit. On the other hand the inductance of an inductor is […]

Filed Under: Electronics Theory Tagged With: Calculations, Capacitor, Inductor

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