Is a Current Source Absorbing or Delivering Power
How to determine if a current source delivers or absorbs power by comparing current direction and voltage polarity, checking resistance characteristics, and identifying polarity.
How to determine if a current source delivers or absorbs power by comparing current direction and voltage polarity, checking resistance characteristics, and identifying polarity.
Explains cost?optimized driver designs using Power Integrations' SCALE/SCALE-2 gate drivers and the Dynamic Active Clamp (DAC) for overvoltage protection in solar inverters.
MB10F ultra-thin SMD bridge rectifier: 1 A forward current, 1000 V peak reverse voltage, 35 A surge, 500 ns trr; compact package, -55 to 150°C operating range.
Overview and diagnostic guide for delta bridge rectifiers: operation, step-by-step multimeter diode tests, common failure modes and impacts, and three-pin vs four-pin wiring notes.
Technical overview of current limiters: uses, circuit principles, filtering and EMC concerns, and practical methods to adjust, bypass, or disable current limiting.
Overview of primary and secondary circuits in substations, highlighting secondary circuits and relay protection functions for control, measurement, signaling and DC/AC power supply
Explains why a dedicated neutral conductor and separate protective earth are required in TN-S systems, covering neutral currents, RCD function, and safety risks.
Technical analysis of high-tensile, high-elongation lithium battery copper foil: tensile strength mechanisms, microstructure control, and manufacturing/application impacts.
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.
PSRR measurement guide for LDOs: defines PSRR and details input injection (summing amps, LC node, injection unit) and output measurement (oscilloscope, amplifiers, spectrum analyzer)
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.
Semiconducting epitaxial graphene on silicon carbide introduces a bandgap, enabling ballistic transport and potential terahertz switching while remaining CMOS-compatible.