Slot-Die Coating for Perovskite Solar Cell Production
Slot-die coating overview, principles, advantages, limitations and scalability for thin films; covers small-scale tools, roll-to-roll integration and thickness control.
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.
RCD snubber circuits for switching power supply EMI
Mitigating high-frequency oscillation in switching power supplies: RCD snubber design and ferrite strategies to reduce MOSFET switching and diode reverse recovery noise.
Common MOSFET Circuits for Power Switching
Technical guide to MOSFET power-switch topologies—NMOS low-side, NMOS high-side (bootstrap/charge pump) and PMOS high-side—with gate driver and Vgs design considerations.
Why Grounding Resistance Is Limited to 4 Ω
Explains ground resistance and grounding types, safety requirements (including ≤4 Ω limit), calculation basis, soil and material effects, grounding methods and application scenarios.
What Happens When a Charger Is Connected to a Battery?
Explains how a traction charger uses residual battery voltage to bias Q1 and DB3, allowing the thyristor to trigger and the secondary output to supply charging current.
Electric Scooter Battery Charging Circuit
Technical overview of an electric scooter charger circuit detailing LM358-based overcurrent protection, charging current thresholds, LED indicators and fan control.
Level-shifting Circuit for 3.3V and 5V I2C
Technical guide to a bidirectional level shifter for I2C, converting SDA/SCL between 5V and 3.3V using a single-transistor circuit with pull-up resistors.
RTC Battery Life Evaluation Considerations
Analysis of RTC battery drain, diagnosing a 100μA backup current and series-resistor effects; guidance on resistor selection (~1 kΩ), diode leakage, and battery-life estimates.
How to Distinguish Isolated and Non-Isolated Power Supplies
Technical comparison of isolated vs non-isolated power supplies, covering safety risks, selection criteria, isolation withstand voltage, surge immunity, and application guidance.
Overcurrent Protection Mechanisms for Power Supplies
Overview of power supply output current limiting: fuse, constant-current, foldback, and hiccup overcurrent protection, with effects on startup and components.
Custom eVTOL Battery Designs Needed to Solve Plating Issues
ORNL study finds current lithium-ion cells fail under eVTOL takeoff profiles—15C discharge causes anode plating and cathode instability, needing tailored battery chemistries.
E-bike Battery Level Monitoring and Alarm Circuit
Technical description of an e-bike battery level indicator and low-voltage alarm using a 12V regulator, LM324 comparators and TL494 drive disable at 30V.
