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June 17, 2020

What brand of power adapter is good? What is the power adapter? The role of the power adapter

What is the power adapter? The power adapter is a small portable electronic equipment and power supply conversion equipment for electronic appliances. It is generally composed of a housing, a power transformer and a rectifier circuit. It can be divided into AC output type and DC output type according to its output type; it can be divided into wall plugging according to the connection method And desktop. It is widely used in equipment such as telephone handsets, game

June 17, 2020

Common faults and maintenance of charger/power adapter

In our daily life, we often come into contact with chargers/power adapters, and we often encounter some problems during use, such as common faults such as poor contact, unstable voltage, or insurance burnout, then how do we check and eliminate What about the following common faults and repairs of chargers/power adapters? Chargers/power adapters produced by regular manufacturers have a nameplate with indicators such as power, input and output voltage and current. I

June 17, 2020

What are the important components of power adapter?

What are the important components of the power adapter? It mainly includes the following 9 aspects: 1. The power adapter high-power switch tube is one of the core components in the switch power supply. The switch power supply can work "one on one off", and the switch tube work is indispensable.

June 17, 2020

What are the main materials of the power adapter shell?

What is the main material composition of the power adapter shell? You are not new to the power adapter. In recent years, the electronic products are more and more abundant, and the use of various internationally certified power adapters is more and more extensive. Next, I will introduce you the material information of the power adapter shell.

June 11, 2020

Does the cable length of the power adapter affect the charging power?

In the era when there was no fast charging before, the charging voltage was only 5V. The length of the wire caused a difference in the internal resistance of the wire, which means that there will be more or less loss of voltage transmission, which in turn affects the charging power, but now fast charging has been It is popularized in electronic equipment, so will the length of the power adapter wire affect the charging power? Some websites have conducted profes

June 11, 2020

Why the price gap of power adapter is so big

Customers often say that power adapters with the same rated power have such a wide price gap on the market. Some even double? Once upon a time, the slogan of 1 watt and 1 yuan rang throughout the power supply industry, and looking at today, many 36W power adapters are at a price of less than 20 yuan, so should it be changed to 1 watt and 5 cents? Looking at the high-end power adapter products in the same industry from another angle, although the price has also been lowering, but it is also close to the level of 1 watt and 1 yuan. Is the

June 11, 2020

What are the requirements for the working environment of the power adapter?

What are the requirements for the working environment of the power adapter? The main requirements include creating a good thermal environment, stopping use in case of abnormal conditions, and using the non motive power cautiously. 1. Create a good thermal environment. When using a laptop in a high temperature envir

June 11, 2020

What are the classifications and advantages of power adapter in application

(1) Classification of power adapters According to the filter used, the power adapter can be divided into current mode and voltage mode. The direct current can be obtained by filtering the current mode with DC smoothing reactor. The load current is rectangular wave, and the load voltage is approximately sine wave. The direct voltage can be obtained by using capacitor filter in voltage mode. The voltage at both ends of the load is rectangular wave, and the

June 01, 2020

What material is the power adapter? What are the characteristics of the power adapter?

The power adapter has been widely used in people's lives, but various power adapters of different quality are also flowing to the market in large quantities, but I don't know how much you know about the material of the power adapter shell? Next, let me introduce you to the power adapter shell. Material differences, everyone know more about this kind of related information, can also avoid some safety hazards to a large extent!

June 01, 2020

Is it really harmful to not unplug the mobile phone charger?

Unplugging the charger has become a habit of many people, and I believe not only one or two people. Most people may be very unconcerned about this method, so is it really harmful if the mobile phone charger is not unplugged? Today, Warwick tells everyone whether it is true?

June 01, 2020

Does the power adapter have capacity?

Does the power adapter have capacity? The following is an introduction from three aspects, including the battery capacity is the key, on demand to choose the capacity, battery capacity does not match the charging method: 1. Battery capacity is the key

June 01, 2020

What is a wireless charger? What are the features?

Wireless charger refers to the charger that is connected to the terminal device that needs to be charged without the traditional charging power cord. It adopts the latest wireless charging technology and transmits electric energy by using the alternating magnetic field generated between the coils. The inductive coupling technology will become the bridge connecting the charging base station and the equipment.

May 26, 2020

How do you maintain your laptop power adapter?

With the growing awareness of environmental protection, many places in our lives need to be recharged: mobile phones need to be recharged, cars need to be recharged. If not used correctly, an accident may occur. Master the following methods to protect our charger:

May 26, 2020

The power adapter is broken. How to repair it?

What if the power adapter breaks and you can't get it and need it urgently? Let's learn how to repair a power adapter. One more skill, one more hope! 1. If the original adapter has problems and cannot be repaired or

May 26, 2020

Power adapter FAQ

1. What is the difference between power adapter and power supply Adapter, to be exact, what should be said about the device adapter. For example: power adapter of mobile phone, adapter of razor, etc. In a word, it's a device. And power, the meaning is different. Power supply, as the name suggests, is the source of electricity. There is AC power supply, such as our common household power supply. In general, power grid. There is DC power supply, such as dry battery and battery

May 26, 2020

Notebook battery and power adapter

The power supply of notebook computer includes two parts: battery and power adapter. Battery is the power source of notebook computer outdoor office. Power adapter is the necessary device to charge the battery and the preferred power source of indoor office. Laptop battery The essence of notebook battery is not different from ordinary charger, but manufacturers usually design and package the battery shell ac

May 26, 2020

What is the CE certification of power adapter?

In fact, this so-called CE certification is an abbreviation for certification of products in EU countries. Assuming that the new products of the switching power adapter want to be exported to European countries, it is necessary to carry the "CE" mark. The power adapter "CE" mark is also a kind of pass order to enter European countries. This mark clarifies that the product complies with one or more relevant European standards. For many engineers who develop switching power adapter products, it is the entire development process to send ne

May 26, 2020

Battery and power adapter

The power supply of the notebook computer includes a battery and a power adapter. The battery is the power source for the outdoor office of the notebook computer. The power adapter is a necessary device for charging the battery. It is also the preferred power source for indoor office. 1. Battery The essence of the laptop battery is not much different from the ordinary charger, but ma

May 23, 2020

Summary of common connector failure analysis and treatment methods

In our life, the use of a connector is becoming more common, but the connector is in use process, often appear some undisciplined fault effect use, this paper analyzes several common faults connector, and explain to deal with, hope I can help you to understand the connector, and can handle some simple fault connector, better efficiency. Now the use of connectors is a common phenomenon, especially a lot of times there will

May 23, 2020

What are the main causes of low output voltage caused by power adapters?

The following are the main reasons for low output voltage caused by power adapters: 1. switching power supply load short circuit fault (especially DC/DC converter short circuit or poor performance, etc.), at this point, first disconnect all the load of the switching power supply circuit, check whether the switching power circuit fault or the load circuit fault. If the load circuit is disconnected and the voltage output is normal, it indicates that the load

May 18, 2020

Differences and relationships between power adapters and chargers

Charger usually refers to a converts alternating current to a low voltage dc equipment, its interior includes current limiting, such as pressure limiting meet charging control circuit, the characteristic of the power adapter is a transformer, rectifier and the voltage stability of power converter, the output is dc, in the case of meet the power can be understood as a low voltage stabilized voltage supply. Let's talk about what a power adapter is. What is a charger? What is the relationship and the difference between the two?

May 18, 2020

The difference and relationship between switching power supply and linear power supply

Brief introduction of switching power supply: Our common power supply including power adapters, chargers belong to the switching power supply. Switching power supply is a kind of power supply that maintains stable output dc voltage by controlling the ratio of switching tube opening and closing time. Generally, switching

May 18, 2020

Is the power adapter a charger

Before introducing the difference between a charger and a power adapter, let's take a look at what is called a charger and what is called a power adapter. A power adapter is a power supply that provides electrical power to a device, such as a computer host power supply, a printer power supply, and a monitor power supply. These are not called chargers. The power adapter has the characteristics of small size, energy saving and environmental prote

May 18, 2020

Power adapter stability is necessary

(1) the stability of the power adapter is always beneficial to the electronic equipment. We know that any electrical, electronic products, in the design, the production process is specified in the working voltage. When working at the specified voltage, the performance, efficiency and service life of the electronic equipment can reach the better indexes of the original design. The specified operating voltage is usually referred to as the rated voltage of the electronic equipment. Stable and reliable power supply has also become one of the key rese

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