ACS725LLCTR-20AB-T

Current Sensors Overview

The ACS725LLCTR-20AB-T is a board-mount current sensor utilizing differential Hall integrated circuit technology, designed specifically for 3.3V platforms. It features an analog output with a sensitivity of 66mV/A and measures bidirectional currents up to 20A. The device operates within a supply voltage range of 3V to 3.6V and supports frequencies up to 120kHz. It offers a response time of 4µs and maintains an accuracy of ±0.8%. Packaged in an 8-SOIC format, it functions reliably across temperatures from -40°C to +150°C.

Current Sensors Feature Summary

• Integrates differential Hall sensing elements for high-precision current measurement
• Provides galvanic isolation between the current path and signal circuitry
• Delivers a linear analog voltage output proportional to sensed current
• Optimized for low-voltage 3.3V system architectures

Current Sensors Applications

• Motor control systems requiring precise current feedback
• DC-to-DC converter load monitoring
• Overcurrent protection circuits in industrial equipment
• Battery management systems in portable electronics

Current Sensors Procurement Notes

Verify the specific suffix against official Allegro MicroSystems documentation to confirm pinout compatibility and electrical tolerances. Ensure that the 3.3V operating voltage requirement aligns with the target system power rails. Confirm package dimensions match the PCB footprint design specifications before finalizing procurement orders.

Current Sensors Selection Notes

Select this component when designing for 3.3V logic levels where standard 5V sensors are incompatible. The 20A rating suits moderate power applications, while the 120kHz bandwidth supports fast switching frequencies. Consider the SOIC-8 package size for space-constrained layouts requiring surface-mount integration.

Current Sensors Part Context

This part belongs to the ACS725 series, which differentiates itself by targeting lower voltage platforms compared to other Allegro current sensors. The series emphasizes compactness and integration for modern embedded systems. It serves as a specialized solution for applications demanding accurate current sensing without the need for external isolation components.

Current Sensors Replacement Considerations

ACS725LLCTR-10AU-T

Current Sensors FAQ

What is the typical sensitivity of the ACS725LLCTR-20AB-T?

The device provides a sensitivity of 66mV per Ampere.

Is the ACS725LLCTR-20AB-T suitable for AC current measurement?

Yes, the sensor is designed to measure both AC and DC currents due to its bidirectional capability.