TVS Key Parameters and Selection Guide

Learn how to select TVS diodes: understand Vrwm, VBR, VC, IPP, capacitance and leakage with step-by-step selection process and design example.

Why Add a 100Ω Gate Resistor to MOSFETs

Why use a MOSFET gate resistor? Learn how Rg (often ~100Ω) damps gate/drain ringing, balances switching speed and losses, and how to choose Rg.

Why MOSFETs Smoke and Fail: Two Case Studies

MOSFET basics, key specs and battery-protection failure cases with root causes and fixes: gate control, SOA, thermal design, matched devices

Capacitive Dropper: Theory and Practical Circuits

Capacitive dropper guide: principles, practical circuits, component choices, pros, limits and safety for low-power mains supplies.

Common Level Shifting Techniques

Compare diode, BJT, MOSFET and dedicated IC level shifters for voltage translation: pros, cons, and best use cases for I2C, UART, GPIO.

Resistor Applications: Typical Circuit Uses and Analysis

Guide to common resistor applications in PCB design: current limiting, pull-ups, series termination, RC delays, voltage dividers, shunts.

Operating Principles of Silicon Carbide Power Devices

Explore how silicon carbide (SiC) power devices boost efficiency, high-temperature stability and voltage handling for EVs, renewables and HVDC.

Three Ways to Suppress Power Diode Reverse Recovery

Compare RC snubbers, series saturable reactors, and soft-switching to suppress diode reverse recovery in buck converters; series reactors best.

Investigating Transistor Anomalies Caused by Weather

Why SOT23 devices cause 5V rail drop in low-temp/high-humidity tests and how lowering pull-up resistor prevents failures.

Differentiating Op-Amp Noninverting and Inverting Inputs

Operational amplifier (op amp) overview: key characteristics, inputs, negative feedback, and practical tips for analog circuit design.