What Is Power Factor? UPS Load Power Factor Guide
Explains power factor fundamentals and how UPS rated load power factor differs from load input power factor, causing inverter derating and reactive current effects.
Power & New Energy Solutions
Power and new energy solutions represent a critical frontier in modern electronics, where innovative PCB designs drive efficiency, sustainability, and performance across diverse applications. In this Power & New Energy Solutions category, we delve into the technologies shaping the future of energy management, from advanced power supplies and renewable energy systems to smart grid integrations and energy storage solutions. Our focus extends to the intricate role of printed circuit boards in optimizing power distribution, minimizing losses, and enabling seamless integration with emerging energy sources like solar, wind, and electric vehicles. Professionals in electronics engineering and PCB design will find valuable resources here, including detailed guides on selecting components for high-efficiency power converters, tutorials on implementing energy-harvesting techniques, and insights into regulatory standards for sustainable energy projects. We also share best practices for thermal management in power-intensive applications, ensuring reliability in demanding environments such as industrial automation and automotive electrification. The practical value of these topics lies in their direct impact on real-world challenges, such as reducing carbon footprints through efficient energy use or enhancing battery life in portable devices. By addressing both foundational concepts and cutting-edge advancements, our content equips readers with the knowledge to tackle complex projects and innovate in a rapidly evolving field. As you browse the articles in this category, you'll uncover strategies to improve system performance, navigate design trade-offs, and stay ahead of industry trends, fostering informed decisions that advance your work in power and energy technologies.
Key PCB Layout Guidelines for Buck Converters
PCB layout guidelines for DC-DC buck converters: minimize power-loop and SW-node area; place VIN decoupling close; size vias/copper for current/thermal; keep FB/AGND short.
IR21814S Non-Isolated Driver Circuit Design
Analysis of IR21814 MOSFET driver in LLC topology: bootstrap operation, thermal loss at 195-360 kHz, and a push-pull transistor stage added to share drive current.
Buck Converter Using TI TPS5320
Analysis of a 12 V to 1.2 V Buck converter exhibiting persistent Vout jitter and irregular Vsw after power-up; investigates causes such as insufficient output capacitance.
Xiaomi SU7 EV Battery Features Explained
Technical overview of Xiaomi SU7 battery: 101 kWh CATL 'Qilin' CTB pack with 800V fast-charging, plus EV battery chemistries, lifespans, replacement costs and warranties.
Common Communication Interfaces for Digital Power Supplies
Overview of communication interfaces for digital power: RS-232, RS-485, CAN and TCP/IP principles, level translation and typical transceiver circuits.
Types of Solar Cells
Technical overview of solar energy technologies, comparing crystalline, thin-film (CdTe), and emerging perovskite solar cells, and material supply challenges.
Ultrasonic Metal Welding for EV Battery Cables
Analysis of ultrasonic welding solutions for thicker EV charging cables: GMX-20-DP direct-press design, improved tooling, higher clamping force and reduced amplitude.
PMOS Switch Simulation Circuit Analysis
Explains Vout rebound during PMOS turn-off: how load impedance changes cause a voltage rise and mitigation via faster switching or an output filter capacitor.
Single-Cell Li-ion Circuit for Stable 5V Output
Guide to using the MT3608 boost regulator to convert single-cell Li-ion 3.0-4.2 V input to a regulated 5.0 V, with feedback resistor sizing and low quiescent current.
Step-by-Step Guide to Designing Switch-Mode Power Supplies
Step-by-step guide to SMPS design and commissioning: principles, component selection, simulation, PCB layout, prototyping, testing, and documentation for reliable switch-mode power supplies.
Design Tips for DC-DC and LDO Power Circuits
Practical guidance for DC-DC and LDO power design: thermal, dropout, capacitor selection, trace/via parasitics, switching frequency, EMI and PCB routing best practices.
