Why the Neutral Wire Can't Be Replaced by Earth
Explains why a dedicated neutral conductor and separate protective earth are required in TN-S systems, covering neutral currents, RCD function, and safety risks.
Power & New Energy Solutions
Practical Advantages of High-Tensile, High-Ductility Copper Foil
Technical analysis of high-tensile, high-elongation lithium battery copper foil: tensile strength mechanisms, microstructure control, and manufacturing/application impacts.
Graphene Waterborne Thermal Conductive Coatings for Heat Management
Graphene-enhanced waterborne thermal conductive coating for stainless steel: preparation, testing, and thermal conductivity (9.499 W/m·K at 15% loading) with corrosion resistance.
LDO PSRR Measurement Methods
PSRR measurement guide for LDOs: defines PSRR and details input injection (summing amps, LC node, injection unit) and output measurement (oscilloscope, amplifiers, spectrum analyzer)
5V Switching Regulator Built with Transistors
Technical guide to a discrete 5V switching regulator — a transistor-based buck converter for 6–15V input delivering ~100mA; includes schematic, components, and construction notes.
Tianjin University and Georgia Tech Advance Graphene Chip Technology
Semiconducting epitaxial graphene on silicon carbide introduces a bandgap, enabling ballistic transport and potential terahertz switching while remaining CMOS-compatible.
How Is the 1A Current Limit Set in an Overcurrent Protection Circuit?
NCP380 5V current-limiting protection: set limits via R1, internal sense resistor and P-MOSFET operation, and FLAG pin overcurrent/overtemperature fault signaling.
Three Key Areas of Power Integrity Design
Practical guide to power integrity for PCB design: module placement and routing, internal plane stackup and partitioning, power-supply IC layout and decoupling strategies.
Power Integrity vs Power Electronics Explained
Compare power electronics and power integrity: definitions, PDN/VRM scope, metrics (efficiency, ripple, SSN), and simulation tools for EMI and PDN analysis.
Key Features of Battery Management Systems (BMS)
Technical overview of battery management systems (BMS), covering charging safety, cell balancing, state estimation and battery thermal management for EVs.
How to Maintain Batteries to Extend Lifespan
Guide to UPS battery selection, maintenance and replacement for data centers: design principles, testing schedules, safety procedures and installation steps.
Differences Between Current and Voltage Transformers
Technical overview of instrument transformers: current transformers and voltage transformers, their electromagnetic principles, measurement scaling, and protection functions.
