ACS725LLCTR-10AU-S

Current Sensors Overview

The ACS725LLCTR-10AU-S is a board-mount current sensor IC from Allegro MicroSystems, designed for 3.3V platforms. It utilizes differential Hall technology to provide galvanic isolation and accurate DC current sensing up to 10A. The device features an analog voltage output with a sensitivity of 264mV/A and operates within a frequency range of DC to 120kHz. Packaged in an 8-SOIC form factor, it supports surface mount installation and functions across a temperature range of -40°C to +150°C.

Current Sensors Feature Summary

• Differential Hall effect technology ensures high accuracy and immunity to external magnetic fields
• Galvanic isolation provides electrical safety between the current path and signal circuitry
• Ratiometric analog voltage output simplifies interface with microcontrollers and ADCs

Current Sensors Applications

• Automotive battery management systems
• Motor control and drive circuits
• Industrial power supply monitoring

Current Sensors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm AEC-Q100 automotive grade qualification status if required for specific applications. Check datasheet revisions for any packaging or material changes. Ensure ESD handling protocols are followed during storage and assembly due to moisture sensitivity classification.

Current Sensors Selection Notes

Select this model when precise DC current measurement is needed in space-constrained designs. The 10A rating suits moderate load applications. Consider the 264mV/A sensitivity for signal conditioning requirements. Validate thermal performance at maximum operating temperatures. Ensure the 3V to 3.6V supply range matches the system voltage architecture.

Current Sensors Part Context

This part belongs to the ACS725 series of integrated current sensors. The series offers various current ratings and package options tailored for automotive and industrial environments. The LLCTR suffix indicates tape and reel packaging suitable for automated surface mount production lines.

Current Sensors FAQ

Is the ACS725LLCTR-10AU-S suitable for bidirectional current measurement?

No, the datasheet specifies this device as unidirectional, meaning it measures current flow in only one direction.

What is the typical response time of this sensor?

The typical response time is 4 microseconds, allowing for fast transient detection in control loops.