ALLPCB
Push-Pull vs Open-Drain Output Modes
Compare microcontroller push-pull vs open-drain GPIO: operation, pros/cons, use cases and pull-up tradeoffs.
Half-Wave and Full-Wave Rectifiers: Key Differences
Explore key differences between half-wave and full-wave rectifiers, their efficiency, and applications in AC to DC conversion.
Understanding AGND and DGND Grounding Practices
Practical grounding and decoupling guide for mixed-signal systems covering ground plane, AGND/DGND strategies, PCB layout, and ADC/DAC clock and return-path issues.
What Is Diode Clamping? Applications of Clamping Protection
Overview of diode clamp and clamping circuit operation, positive/negative and bias clamps, RC time-constant design, component selection, and protection applications.
Capacitive Dropper: Theory and Practical Circuits
Capacitive dropper guide: principles, practical circuits, component choices, pros, limits and safety for low-power mains supplies.
China SiC Substrate Prices Fall in 2024; 800V Adoption Nears
Analysis of China SiC substrate price decline in 2024: domestic prices plunged vs global quotes, driven by capacity expansion, competition and potential price war.
Understanding MOSFET Parameters
MOSFET technical summary of electrical and thermal specs: key ratings (VDSS, VGS, ID), thermal resistance RθJA and Tj calculation, capacitances, gate charge and switching timings.
Derating Guidelines for Power Supply Components
Practical derating guidelines for power-supply components: rules, accelerated-test models, and component-specific limits (ICs, capacitors, MOSFETs, resistors) for reliability.
Overview of BJT, MOS, CMOS and DMOS Semiconductor Processes
Overview of transistor/process technologies—BJT, MOS, CMOS, DMOS, BiCMOS, BCD: differences, benefits and applications from logic to power.
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.
Key Considerations for IGBT Gate Driving
IGBT structure, gate-drive behavior, turn-on/off currents, dv/dt limits, Miller effects, gate resistance and PCB layout tips for high-power switching
Types of Buffer Amplifiers
Learn buffer amplifiers: voltage & current buffers, impedance matching, unity-gain, signal isolation, and applications in audio, sensors, filters.
Crystal Oscillator Operation and Load Capacitor Selection
Practical engineering guide to Pierce oscillator design: crystal equivalent model, load capacitance tuning, startup/gain margin checks, drive-level and PCB layout recommendations.
Differences Between First, Second, and Third-Generation Semiconductors
Explore differences between first, second, and third-generation semiconductors, focusing on GaN and SiC in modern applications.
Two Typical Phenomena of SiC MOSFET Short-Circuit Failure
Explore SiC MOSFET short-circuit failure phenomena, reliability challenges, and mechanisms in this detailed electronics article.
15 Key Diode Parameters
Key factors for choosing diodes: VF, IF, VR, Trr, power, frequency, leakage, derating, safety & reliability for PCB designs.
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
Analog Switches: Functions and Selection Criteria
Technical overview of analog switch operation and selection, highlighting on-resistance, voltage ratings, transmission-gate topology and practical troubleshooting for signal routing.
Why Low-RDS(on) MOSFETs Still Heat Up
Learn MOSFET drain breakdown mechanisms, heating causes and mitigations, reverse-polarity protection techniques, and power-loss measurement tips.
Metal Oxide Varistor (MOV) Aging and Protection Options
Technical overview of MOV aging mechanisms and protection strategies: parallel and series use with ceramic gas discharge tube (GDT) for improved surge protection and longevity.