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スイッチング電源とは

How to choose a switching power supply that does not fail [I will explain in an easy-to-understand manner]

For those who want to choose a switching power supply but do not know which one to choose The designer said, "I want to use a long-life power supply ...
スイッチング電源の故障

Checkpoint in case of switching power supply failure

Switching power supply does not output! People who don't know what to do. 「It worked fine until now, but suddenly the power went down. The powe...
スイッチング電源とは

AC/DCコンバータとDC/DCコンバータ

Switching power supplies are roughly divided into AC / DC converters and DC / DC converters according to their inputs. They are also called AC / DC po...
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スイッチング電源とは

The life of an electrolytic capacitor is calculated by Arrhenius’ law.

Arrhenius's 10℃ rule The life of the electrolytic capacitor is calculated by "Arrhenius's 10 ° C rule". A formula published by Swedish scientist Sv...
スイッチング電源の回路図

The circuit of the switching power supply and the function of the electronic components If you understand this much, you can talk with the engineer!

For people of culture who have never specialized in electricity, even if you read the introductory book to study the circuit of switching power su...
スイッチング電源の12V/24V出力

How to choose switching power supply 24V output (peak load) & recommended models are released!

Which model should be selected from among the many 24V output switching power supplies? In this article, for those who are considering switching powe...
スイッチング電源の故障

How to deal with failures by symptom of switching power supply

Is it a malfunction even if the switching power supply is output? I may think. The sound is different from usual, what does it smell like, it's hot...
スイッチング電源とは

Easy calculation of calorific value of switching power supply

Switching power supply efficiency  The higher the "efficiency" of the switching power supply, the less heat it generates, and the lower the efficienc...
スイッチング電源とは

Domestic Switching Power Supply Market

Domestic market size of switching power supply Accurate switching power supply statistics do not exist because some manufacturers make switching powe...
スイッチング電源とは

Is it correct to use a constant current power supply or a constant voltage power supply to light the LED?

LED Module   To turn on the LED module, use the power supply suitable for the LED module. The circuit of the LED module determines whether it is a ...
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Power conditioner and PV system

The home appliances we use at home only work with "alternating current", but the electricity generated by the photovoltaic power generation system...
スイッチング電源のPSE

Two types of PSE technical standards Which standard should the device acquire?

There are two technical standards for PSE. When acquiring PSE for a device or device subject to PSE, it does not matter which technical standard PSE ...
スイッチング電源の使い方

Moisture-proof coating agent for switching power supplies, Humiseal

When using a switching power supply in a humid country such as Southeast Asia or along the coast, a power supply with a moisture-proof treatment on th...
スイッチング電源の使い方

How to connect a switching power supply when DC100V is required

Occasionally you may need DC100V. There is no DC100V output switching power supply as standard, but you can make it 100V output by connecting the powe...
スイッチング電源とは

Basics of switching power supply [Intermediate] Specification items and standards

Someone who knows the basics of power "I want to know the items in the specifications in detail. I want to be able to read the specifications ...
スイッチング電源とは

Basics of switching power supply [Beginner] Easy-to-understand explanation without circuit and theory

I want to know about switching power supplies "I handle switching power supplies at work, but I don't know what they really are. I'm in trouble ...
スイッチング電源の回路図

[Explanation] Basics of switching power supply (advanced edition) It is enough if you can understand the block diagram of the circuit!

Those who have studied electric circuits can understand circuit diagrams, but for those who do not, circuit diagrams are a big wall. Since we are not ...
スイッチング電源とは

The electrolytic capacitor had a life other than the electrolytic solution!

The life of an electrolytic capacitor is reached when the electrolytic solution in it escapes due to self-heating. The amount of electrolyte is ca...
スイッチング電源の使い方

Series connection and parallel connection method of switching power supply

There are series connection and parallel connection as a method of connecting multiple switching power supplies. If you want to increase the voltag...
スイッチング電源のPSE

【Explanation】 Why is the switching power supply not approved by PSE?

I will explain the Electrical Appliance and Material Safety Law and the PSE mark, the types of two electrical appliances, the legal obligations of PSE, and the difference between "DC power supply" and "DC power supply unit for embedding equipment".
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