Hall sensor
Patent Information
- Authority / Receiving Office
- CN Β· China
- Current Assignee / Owner
- ιδΌζ
- Publication Date
- 2022-04-12
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Abstract
Description
technical field
[0001] The invention relates to the technical field of sensors, in particular to a Hall sensor. Background technique
[0002] The Hall effect is a kind of electromagnetic effect. This phenomenon was discovered by the American physicist Hall in 1879 when he was studying the conductive mechanism of metals. When the current passes through the semiconductor perpendicular to the external magnetic field, the carriers are deflected, and the vertical An additional electric field will be generated in the direction of the current and magnetic field, thereby generating a potential difference at both ends of the semiconductor. This phenomenon is the Hall effect, and this potential difference is also called the Hall potential difference. The Hall current sensor is based on the magnetic balance Hall principle. According to the Hall effect principle, the current Ic is passed through the control current terminal of the Hall element, and a magnetic field with a magnetic induc...