ACS724KMATR-50AB-T

The Allegro ACS724KMATR-50AB-T is an economical and precise current sensor IC suitable for AC or DC current sensing in industrial, commercial, and communication systems. Its small SOIC16W package is ideal for space-constrained applications, reducing board area and costs.

This device utilizes a precise, low-offset, linear Hall sensor circuit with a copper conduction path. Applied current generates a magnetic field sensed by the Hall IC, converting it into a proportional voltage. Differential Hall sensing is employed to reject common-mode fields, enhancing accuracy in noisy environments. The internal resistance of the conductive path is a typical 0.85 mΩ, ensuring low power loss.

The ACS724KMATR-50AB-T operates on a single supply voltage ranging from 4.5V to 5.5V. The output voltage is proportional to the AC or DC current flowing through the primary conductor. The terminals of the conductive path are electrically isolated from the sensor leads, enabling high-side current sensing without the need for costly isolation techniques.

Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The patented digital temperature compensation circuitry ensures accurate performance over temperature.