ACS724KMATR-30AU-T

Current Sensors Overview

The Allegro ACS724KMATR-30AU-T is a high-accuracy, Hall-effect-based current sensor IC designed for precise DC and AC current measurement. It features a 30 A current rating with a sensitivity of 100 mV/A and an analog voltage output. The device operates on a 4.5 V to 5.5 V supply, drawing a maximum supply current of 14 mA. It provides a fast response time of 4 µs and supports frequency ranges up to 120 kHz. Accuracy is rated at ±0.8% with linearity of ±1%. The component is housed in a 16-SOIC package (7.5 mm wide) and functions as a unidirectional sensor. It operates within a temperature range of -40°C to +125°C.

Current Sensors Feature Summary

• Hall-effect sensing technology enables accurate measurement in electrically noisy environments
• Integrated differential output design improves signal integrity
• High accuracy specification ensures reliable performance for critical monitoring applications

Current Sensors Applications

• Battery management systems
• Motor control circuits
• Power supply monitoring

Current Sensors Procurement Notes

Verify the specific suffix 'AU' against official datasheets to confirm the 30 A rating and SOICW-16 package configuration. Ensure compatibility with the required 4.5 V to 5.5 V operating voltage range. Confirm that the unidirectional nature aligns with the circuit design requirements. Check moisture sensitivity level (MSL 2) handling procedures during assembly.

Current Sensors Selection Notes

Select this component when precise DC or low-frequency AC current monitoring is required in space-constrained designs. The 100 mV/A sensitivity provides a clear analog interface for microcontrollers. Consider the ±0.8% accuracy for applications demanding tight tolerance. The 16-SOIC package offers a balance between thermal performance and board space efficiency.

Current Sensors Part Context

This part belongs to the ACS724 series from Allegro MicroSystems, which focuses on high-accuracy current sensing solutions. The series utilizes advanced Hall-effect technology to provide galvanic isolation between the current-carrying path and the electronic circuitry. This model specifically targets applications requiring robust performance in automotive and industrial environments.

Current Sensors FAQ

Is the ACS724KMATR-30AU-T suitable for bidirectional current measurement?

No, this specific variant is designed as a unidirectional current sensor.

What is the typical supply current consumption for this device?

The maximum supply current is 14 mA under normal operating conditions.