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14/Mar
2022
How to choose a PD charger?
PD fast charging can basically meet the fast charging devices of 90% of the devices on the market, regardless of Android or Apple.
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14/Mar
2022
The importance of CE certification?
For many engineers engaged in the research and development of switching power adapter products, sending new products to relevant departments and conducting strict CE certification
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11/Mar
2022
Application of power NTC thermistor in power adapter
The power adapter is the power supply of small electrical appliances. When in use, it can obtain the electric energy required by electrical appliances from the AC power supply (ac-
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08/Mar
2022
The power adapter can be used on which fields?
Power adapter is the power supply conversion equipment of small portable electronic equipment and electronic appliances. It is generally composed of shell, transformer, inductor, c
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07/Mar
2022
Twenty questions on basic knowledge of power supply
1. What is the basic operating principle of the power supply? Answer: the higher AC voltage (AC) input will be converted into the lower DC voltage (DC) required by PC operation thr
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04/Mar
2022
What is the reason for the low output voltage of switching power supply
Switching power supply uses electronic switching devices to make the electronic switching devices "on" and "off" continuously through the control circuit, so th
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02/Mar
2022
Difference between power adapter and voltage regulator
Difference between power adapter and voltage regulator 1. Power adapter is the power supply conversion equipment of small portable electronic equipment and electronic appliances. I
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01/Mar
2022
What is the reason for the noise of the power adapter?
Check whether the aluminum plate (or steel plate) of the power adapter shell is loose. It may be deformed during installation.
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01/Mar
2022
Three key points reveal the reasons why the power adapter cannot be used univ...
Different brands of notebook computer power adapter current is not the same, for example: under normal circumstances IBM is 4.5A, Dell is 3.34A, Hp is 2.7A, Sony is 4.1A and so on.
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28/Feb
2022
Difference between lead-acid battery charger and lithium battery charger
1. The charging control methods of lead-acid battery and lithium battery charger are different Lithium battery charging control is to charge according to the constant current first
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25/Feb
2022
What is the application of embedded switch mode power supply?
Most embedded switch mode power supply are matched with other communication products. Therefore, its applications are miniaturized and integrated communication products, such as ac
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23/Feb
2022
Does switching power supply selection depend on frequency or power?
Switching power supply is one of the power modules. It is also a very common power supply. The reason why the word "switch" is added is that it has a Schottky diode with