ACS724 Hall current sensor module DC/AC 40A 50A range current detection board

Module Parameter

Current sensor chip: ACS712ELCTR-05B-T

Onboard power indicator light

Working voltage: DC5V single voltage operation

Product Descriptions

Overview: This module belongs to a linear current sensor, designed based on the principle of Hall induction. It is equipped with a precise low bias linear Hall sensor circuit and a copper foil located near the Ic surface. When the current passes through the copper foil, a magnetic field is generated. The Hall element induces a linear voltage signal based on the magnetic field. After internal amplification, filtering, chopping, and correction circuits, it outputs a voltage proportional to the detected AC or DC current.

It can be applied in the field of motors, load detection and management, switching power supplies, and overcurrent fault protection.

Accuracy range (Ip): It can measure a current of 5A, corresponding to an analog output of 185mV/A; Ip=0A

When no current is detected passing through, the output voltage is VCC/2, which is 2.5V. The calculation formula is

Vout=2.5+0.185*|p

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Schematic diagram

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