Blogue

Review an SMPS output LC filter with a resonance calculation, sensing checks and a before-and-after test matrix for ripple, startup

A modest running load can still prevent a DC rail from starting. Calculate the capacitor charging demand, include the load

A source that delivers a load current is not automatically able to accept current coming back. Define the power path

A power supply’s no-load input figure is not the standby consumption of a complete machine. Define the measurement boundary and

Separate input-driven and load-driven steady-state changes, normalize the units, and use a nine-point matrix to expose an interaction that two

A nominal switching frequency does not predict equipment compatibility. Map its operating range to sampling clocks and protected signal bands,

An isolation barrier interrupts a conductive path but still has parasitic capacitance. Use edge-current calculations and a controlled connection matrix

A hipot pass becomes useful procurement evidence when it identifies the exact assembly, insulation path, approved test program, and result.

A power supply surviving an EFT test does not show that the complete machine kept working. Define the tested ports,