Time: 2024-08-18  韦克威科技

High precision - Hall effect sensor - Customized [Weikewei]

In the process ofHall effect current sensorWhen applied to telecommunications power supplies or server PSUs, it is necessary to evaluate the current detection range, continuous current tolerance, response speed (/bandwidth), and voltage isolation level. In some cases, telecom power supplies or server power supplies may also need to report the current operating power to the upper computer. In this case, high-precision Hall current sensors (such as TI's TMCS1 100) can help the system achieve a current detection accuracy of ≥ 1%.

Vicorv High-Reliability Electronic Components

Typical application circuit of Hall effect current sensor when powered by 3.3 V and 5 V respectively. Compared to using a 3.3V power supply, using a 5V power supply can broaden the rangehall sensor The current detection range. Taking TMCS 110A1 as an example, the sensitivity of the Hall sensor is 50 mV/A. If a 3.3V power supply is used, the current detection range is -33 A to+33 A (bidirectional); When using a 5.0V power supply, the current detection range can be extended to -50 A to+50 A. In addition, in the design, it should be noted that in addition to the current detection range, the continuous current tolerance of the sensor also needs to be considered. When the current tolerance is insufficient, improvements can be madesensorOptimize heat dissipation.

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tag: 传感器