ACS722LLCTR-10AB-S

Current Sensors Overview

The Allegro MicroSystems ACS722LLCTR-10AB-S is a high-accuracy, galvanically isolated current sensor IC housed in an 8-pin SOIC surface-mount package. It utilizes Hall effect technology to measure DC currents with a rated sensing capacity of 10A. The device operates within a supply voltage range of 3V to 3.6V and features an analog output. Key electrical parameters include an offset voltage of ±15mV, a bandwidth of 80kHz, and a sensitivity of 264mV/A. The component supports an operating temperature range from -40°C to +150°C.

Current Sensors Feature Summary

• Provides galvanic isolation between the current-carrying circuit and the electronic circuit for safety and noise immunity.
• Integrates low-resistance copper conduction path to minimize power loss during current sensing.
• Delivers precise linear analog voltage output proportional to the sensed AC or DC current.

Current Sensors Applications

• Motor drive control systems
• Switched-mode power supplies (SMPS)
• Industrial process controls

Current Sensors Procurement Notes

Verify that the suffix 'S' corresponds to the specific tape-and-reel packaging configuration required for automated assembly processes. Confirm that the 10A current rating aligns with the thermal management capabilities of the target PCB layout. Ensure the 3V to 3.6V supply voltage range matches the system's power rail specifications to guarantee proper operation.

Current Sensors Selection Notes

Select this component when a compact SOIC-8 footprint is required for galvanically isolated current measurement. It is suitable for applications demanding high accuracy and low offset voltage. Consider the 80kHz bandwidth limitation for high-frequency switching applications. Evaluate the 10A maximum current limit against peak load requirements to prevent saturation.

Current Sensors Part Context

This part belongs to the ACS722 series of Hall effect current sensors. The series is characterized by integrated conductors and signal conditioning circuits. The 'LLCTR' designation indicates a lead-free, tape-and-reel variant. The '10AB' segment specifies the 10A current rating and associated sensitivity characteristics within the product family.

Current Sensors FAQ

What is the typical sensitivity of the ACS722LLCTR-10AB-S?

The typical sensitivity is 264mV/A, meaning the output voltage changes by 264 millivolts for every one ampere change in the sensed current.

Does the ACS722LLCTR-10AB-S support bidirectional current flow?

Yes, the device is designed to sense both positive and negative currents relative to the zero-current output level.