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.

IGBT Lossless Snubber Design Principles

IGBT hard vs soft switching, snubber absorption and passive lossless snubbers to cut switching losses, EMI and boost converter reliability.

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.

Handling Unused Op Amp or Comparator Pins

Guidance on terminating unused op amp sections and comparators to avoid floating inputs: use voltage followers to set inputs to ground or VCC/2.

Performance Advantages of SiC Devices in On-Board Chargers

SiC-based bidirectional OBCs boost EV charging efficiency, power density and V2G functionality while tackling cost and reliability challenges.

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.

Op Amp Sample-and-Hold Circuit Operation

Learn how sample-and-hold circuits capture and hold analog voltages, key timings, components, performance and applications for ADCs.

Why SiC Wafers Have C-Face and Si-Face

SiC overview: composition, bonding, polytypes and how C-face vs Si-face affect properties, epitaxy and device fabrication.

Inductor Overheating: Troubleshooting Steps

Switch-mode regulator troubleshooting: inductor overheating and unstable SW traced to inappropriate output capacitor ESR; replacing with ceramic/tantalum restored loop stability.

BJT Structure and Operating Principles

Technical overview of bipolar junction transistors (BJT): structure, NPN/PNP configuration, current relationships, operating states, and implications for amplification and switching.