First, the laptop power port The notebook power port is a necessary port, which is used to supply power to the notebook and charge the battery. Notebook power port generally include circular power port, square power port, and USB Type-C power port. Do not mistake the square power port for USB. port. Among them, the […]
1, what is active PFC? Active PFC is mainly composed of high-frequency inductors, switching tubes, capacitors, and control ICs. It can be simply summarized as a step-up switching power supply circuit. This circuit is characterized by complex structure, but has many advantages: power factor is as high as Low loss and high reliability, input voltage […]
Desktop computer power supply specifications are divided into: *Dimensions * Connector specifications * * Modular output line ★ Dimensions The standard size of the ATX-specific PC power supplies currently in use is: length 150 mm x width 140 mm x height 86 mm. In fact, in addition to strictly matching the width and height, manufacturers […]
★ 300-450 W Most enthusiasts and gamers will give up because this power range is “too weak”. The fact is that these power supplies can meet the power requirements of a modern low-power PC with a mainstream CPU and a single GPU. Unfortunately, this range is not very popular in the market and there is […]
When the battery threshold is not set: * As long as the power charger is connected, the battery will be charged regardless of how much power is left. * After the battery is fully charged, the charging operation stops and the power supply is disconnected from the battery. The computer only relies on a power […]
1. The protection circuit in the lithium battery is too sensitive, so the power is cut off when the current is large. 2. The battery itself has deteriorated and has been discontinued. 3． The metal sheet of the battery contact position is dirty, causing poor power contact. 4． The joint between the battery and the […]
Battery swelling and short circuit are two different things. Bumps do not necessarily have safety risks, but short circuits can cause combustion and explosion. However, it must be noted that to a certain extent, battery packs may also have potential risks. When there is a bulge, as long as you stop charging and using it […]
Samsung Electronics has officially announced that it has completed the acquisition of 100% of the equity of the US network service provider TeleWorld Solutions (TWS), which will strengthen the construction of 5G technology and expand the mobile communications business in the United States. According to reports, Samsung Electronics will operate TWS as a wholly-owned subsidiary […]
What is a touch screen? Understand the structure of the display Touch panels are roughly divided into two types: resistive and capacitive. A resistive touch panel is a touch panel that responds to a so-called “pressing force” and responds by pressing with a pen or a finger. It is used in game consoles. Moreover, the […]
In the previous era of nickel batteries, mobile phones did charge better at lower power. However, the current mobile phone batteries are lithium batteries, and a full charge and discharge will damage the mobile phone battery, causing problems such as the slow charging battery life. Therefore, in the era of lithium batteries, it is best […]
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