ACS772ECB-250B-PFF-T

Current Sensors Overview

The ACS772ECB-250B-PFF-T is a Hall-effect-based current sensor IC from Allegro Microsystems, designed for galvanically isolated measurements. It features a fully integrated copper conductor with a resistance of 100 μΩ and supports bidirectional current sensing up to 250 A. The device provides an analog voltage output with a sensitivity of 8 mV/A and operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical specifications include a bandwidth of 200 kHz, a response time of 2.5 µs, and linearity of ±0.9%. It is housed in a 5-pin PFF package suitable for through-hole mounting.

Current Sensors Feature Summary

• Galvanic isolation between high-current conductors and low-voltage control circuits
• Integrated low-resistance copper conductor for minimal power loss
• Bidirectional sensing capability for both AC and DC applications

Current Sensors Applications

• Motor drive systems
• Inverter circuits
• Power supply monitoring

Current Sensors Procurement Notes

Verify the specific suffix 'ECB' against the official datasheet to confirm the exact current rating and pin configuration, as variations exist within the ACS772 family. Ensure the PFF package type matches the target PCB footprint requirements. Cross-reference the manufacturer's latest documentation to confirm RoHS compliance status and any recent product change notifications affecting material composition or manufacturing location.

Current Sensors Selection Notes

Select this component when high accuracy and fast dynamic response are required for currents up to 250 A. The 200 kHz bandwidth supports high-frequency switching applications typical in modern power electronics. Consider the thermal performance of the integrated copper busbar and ensure adequate board space for the through-hole PFF package dimensions.

Current Sensors Part Context

This part belongs to the ACS772 series of Hall-effect current sensors, which are engineered for high-performance industrial and automotive applications. The series offers various current ratings and package options to accommodate different design constraints while maintaining consistent signal integrity and isolation characteristics across the product line.

Current Sensors Replacement Considerations

For new designs, Allegro recommends considering the ACS773 series as a potential successor or alternative platform. Verify compatibility regarding pinout, sensitivity, and thermal characteristics before substituting existing inventory.