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Hall element: Do you understand?

release time:2022-03-17Author source:SlkorBrowse:899

The Hall element is actually a kind of magnetic sensor, and the product has been widely used. After all, it can detect the change of the magnetic field and can be used in the place related to the magnetic field.

霍尔元件

The Hall element has many advantages, not only the structure is firm, but also the volume is small, and the service life is long. It can still be used in some harsh environments, such as places where dust, oil, dirt and corrosion can also be used normally. In addition, this kind of precision is very high, because there is no contact point, so there will be no problem of wear and tear. Of course, this kind of position precision can be more accurate, and the working temperature range is very wide. According to its function, it can be divided into linear devices and switching devices. After all, it can work very well against magnetic fields or in a magnetic field environment when used.
Hall elements are widely used today, and they are still very good in many electronic products, especially in cooling fans like this or car video recorders, and even in mobile phones. Still very good. For example, when the mobile phone is in use, whether it is to hang up the call or answer the call, whether the screen is on or not can be controlled through this method. According to the on-off characteristics of this magnetic field, it can be seen that the mobile phone may not light up when it is held in the hand, but it will go off when it is close to the face, and the screen will light up when it is away. We all need to understand this. The function is actually the function of this component.
The encapsulated Hall components in mobile phones basically have three pins or four pins, and can be used correctly through related connections when in use. After all, this kind of components It is also a kind of sensor, which can be used in many ranges, and this advantage is still very obvious, so it is said that the sensors used in many applications are of this type. After all, a very small voltage will be generated when it is used, so it will be output through the amplification circuit. From this, it can also be seen that the power of this component is relatively strong.


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