ACS712ELCTR-05B-T

Current Sensors Overview

The Allegro MicroSystems ACS712ELCTR-05B-T is a fully integrated, high-isolation current sensor based on Hall effect technology. It provides an economical and precise solution for AC or DC current sensing in industrial, automotive, commercial, and communications systems. The device features a low-offset, chopper-stable BiCMOS Hall sensor with a copper conduction path located near the package surface. Key electrical parameters include a supply voltage range of 4.5 V to 5.5 V, a bandwidth of 80 kHz, and a sensitivity of 185 mV/A. It supports bidirectional current measurement up to ±5 A with a response time of 5 µs.

Current Sensors Feature Summary

• Fully integrated Hall effect-based linear current sensing with internal copper conduction path
• Low-noise analog signal path optimized for precision and stability
• Factory calibrated for accuracy with extremely stable output offset voltage
• Single 5.0 V supply operation with ratio-metric output

Current Sensors Applications

• Industrial motor control systems
• Automotive power management circuits
• Commercial switch-mode power supplies
• Communication and network equipment

Current Sensors Procurement Notes

Verify the specific suffix '05B-T' to confirm the 5A bidirectional variant and tape-and-reel packaging. Ensure compatibility with the required SOIC-8 footprint and check for RoHS compliance status. Confirm that the 80 kHz bandwidth meets the system's dynamic response requirements before procurement.

Current Sensors Selection Notes

Select this component when a cost-effective, galvanically isolated current sensing solution is required for AC/DC applications. The 185 mV/A sensitivity offers higher resolution compared to lower-sensitivity variants. Consider the 80 kHz bandwidth limit for high-frequency switching applications and ensure the operating temperature range aligns with the environmental conditions.

Current Sensors Part Context

This part belongs to the ACS712 family of Hall effect current sensors from Allegro MicroSystems. The family includes various current ratings and package options, such as the ACS712EXR and ACS712KEXR series. The ELCTR suffix indicates the specific 5A bidirectional rating and tape-and-reel packaging format within the standard SOIC-8 configuration.

Current Sensors Replacement Considerations

Direct substitutes within the same package and rating include other ACS712 variants with matching sensitivity and current limits. Verify pinout compatibility and thermal characteristics when replacing with similar Hall effect sensors from other manufacturers.