ACS725LMATR-40AB-T

Current Sensors Overview

The ACS725LMATR-40AB-T is a board-mount current sensor manufactured by Allegro MicroSystems. It utilizes differential Hall effect technology to measure AC and DC currents up to 40A with bidirectional capability. The device operates on a 3V to 3.6V supply, consuming a maximum of 14mA. It features a 4µs response time and a frequency range from DC to 120kHz. Accuracy is rated at ±0.9% with linearity of ±1.5%. It is housed in a 16-SOIC package (7.50mm wide) and meets AEC-Q100 automotive qualifications.

Current Sensors Feature Summary

• Differential Hall effect sensing for high accuracy
• Bidirectional measurement of AC and DC currents
• Automotive-grade AEC-Q100 qualification
• Integrated voltage output interface

Current Sensors Applications

• Automotive battery management systems
• Motor control applications
• Power supply monitoring
• Industrial load switching

Current Sensors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required sensitivity and package variant. Check for recent Product Change Notifications regarding packaging or process updates. Ensure storage conditions comply with moisture sensitivity level requirements before reflow soldering.

Current Sensors Selection Notes

Select this part for applications requiring high precision and automotive reliability. The differential architecture minimizes offset errors compared to open-loop sensors. Ensure the PCB layout accommodates the 16-SOIC footprint and provides adequate copper area for thermal dissipation. Verify that the system power supply remains within the 3V to 3.6V operating range.

Current Sensors Part Context

This component belongs to the ACS725 series, designed for 3.3V platforms. It offers superior accuracy over standard Hall sensors. The 'L' indicates a specific package and sensitivity configuration within the family. It serves as a replacement for older generation sensors requiring higher precision in compact form factors.

Current Sensors Replacement Considerations

ACS725LLCTR-40AB-T is a parameter-equivalent alternative available in an 8-SOIC package. Verify pin compatibility and thermal performance when substituting due to the package size difference. Consult official substitution lists for confirmed cross-references.