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Browse selection guides, application notes and practical power supply articles. This layout follows the previous WordPress blog structure while preparing space for the larger article library.

Technical Guide Nov 6, 2026 Kolvien Mannie

How to Limit Switching Power Supply Inrush Current

A switching power supply can draw a brief input pulse many times larger than its normal operating current. That pulse may be perfectly survivable for the power supply yet still open a fuse, trip a breaker, pit a relay contact, or pull down a shared AC branch. In other designs, the AC-input event is acceptable but the converter enters hiccup mode because a large output capacitor or downstream load demands too much current during startup.

Technical Guide Nov 6, 2026

How to Limit Switching Power Supply Inrush Current

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Technical Guide Nov 5, 2026

How to Design a Multi-Output AC/DC Power Module for Industrial Equipment

Industrial test equipment often needs several supply rails in a space that was sized for one. A controller may require 5 V, analog front ends may need ±12 V, relays or sensors may need 9 V, and an isolated interface may have its own 6 V rail. The difficult part is not creating each voltage on a bench. It is delivering all of them from the AC line while controlling startup, cross-regulation, noise, safety spacing and abnormal conditions as one system.

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Technical Guide Nov 4, 2026

What Is a Switching Power Supply：Types Topologies and Selection Guide

The term switching power supply appears on everything from a phone charger to a PLC cabinet, yet those products can look and behave very differently. That is where purchasing teams and even experienced equipment designers can get crossed up: “switching” describes the way power is converted, while labels such as DIN rail, open frame, constant-current, and flyback describe different parts of the design.

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Technical Guide Nov 3, 2026

Flyback vs Forward Converter Design: Key Tradeoffs and Best-Fit Applications

Flyback and forward converters can look deceptively similar in an isolated switching power supply circuit. Both use a high-frequency magnetic component to provide isolation and voltage scaling. Inside the power stage, however, they move and store energy in different places. That difference shapes the transformer, semiconductor stress, control loop, output ripple, thermal behavior, and ultimately the applications each topology handles well.

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Technical Guide Nov 2, 2026

AC DC Switching Power Supply Guide Working Principle Design Process and Selection

Selecting an AC/DC switching power supply is rarely as simple as matching 230 V input to a 24 V output. The unit must start on the weakest expected mains, survive the strongest line disturbance, support the load during transients, stay within its thermal limits, and meet the safety and EMC rules for the finished equipment. A supply that looks suitable on the front page of a datasheet can still fail when installed in a warm enclosure or connected to a load with high inrush current.

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Medical Power Supply Oct 30, 2026

New Low-Ripple Power Supply for Medical Equipment

Power noise that looks insignificant on a general-purpose load can become visible data error in a diagnostic instrument. An ECG front end may be working with microvolt-level biopotential signals.

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