ACS755LCB-050-PFF

Current Sensors Overview

The ACS755LCB-050-PFF is a monolithic Hall-effect linear current sensor IC designed for high-reliability applications. It features a low-resistance primary conductor and operates on a single +5 V supply. The device provides a ratiometric voltage output proportional to the applied current, with a sensitivity of 40 mV/A and a bandwidth of 18 kHz. It offers 3 kVRMS isolation between the power terminals and signal pins. The component supports unipolar operation up to 50 A, maintains an accuracy of 1%, and functions within a temperature range of -40°C to 150°C.

Current Sensors Feature Summary

• Monolithic Hall-effect construction ensures high reliability
• Low-resistance primary conductor minimizes power loss
• Provides 3 kVRMS electrical isolation between power and signal terminals
• Delivers ratiometric analog voltage output proportional to current

Current Sensors Applications

• Motor control systems
• Power supply monitoring
• Industrial inverter circuits
• Battery management systems

Current Sensors Procurement Notes

Verify the obsolete status of this part number before procurement planning. Confirm that the specific PFF package variant matches the required PCB footprint. Ensure design updates accommodate the transition to active series components if long-term availability is critical. Check for updated datasheets reflecting final specifications.

Current Sensors Selection Notes

Select this component for applications requiring galvanic isolation and precise DC current measurement. The unipolar configuration suits single-direction current flows. Consider the 18 kHz bandwidth for dynamic load monitoring. Validate thermal performance at the maximum operating temperature of 150°C. Ensure the 5 V supply rail stability meets the ratietric output requirements.

Current Sensors Part Context

This device belongs to the ACS755 series of Hall-effect current sensors. It utilizes integrated circuit technology to combine magnetic sensing elements with signal conditioning. The PFF package denotes a specific through-hole form factor with formed leads. The series is engineered for robust performance in electric vehicle and industrial power electronics environments.

Current Sensors Replacement Considerations

Public sources indicate the ACS755LCB-050-PFF is obsolete. Designers should evaluate newer Allegro MicroSystems current sensor families for replacement. Verify pin compatibility and isolation ratings when selecting alternative active parts.