ACS773LCB-050B-PFF-T

Current Sensors Overview

The ACS773LCB-050B-PFF-T is a Hall effect-based current sensor manufactured by Allegro MicroSystems, designed for bidirectional AC and DC current measurement. It features a 50A current rating with a sensitivity of 26.4mV/A and a linear accuracy of ±0.9%. The device operates on a 3V to 3.6V supply voltage, consuming a maximum of 15mA. It offers a fast response time of 2.5µs and supports frequencies up to 200kHz. Certified to AEC-Q100 automotive standards, it functions within a temperature range of -40°C to 150°C. The component utilizes a 5-CB molded lead frame package with PFF configuration for through-hole mounting.

Current Sensors Feature Summary

• Utilizes integrated circuit Hall effect technology for precise electrical isolation and current sensing
• Provides a proportional analog voltage output relative to the measured current flow
• Capable of detecting both positive and negative current directions simultaneously
• Complies with AEC-Q100 qualification requirements for automotive reliability applications

Current Sensors Applications

• Automotive battery management systems
• Electric vehicle motor control units
• Industrial power supply monitoring
• Inverter and converter current feedback loops

Current Sensors Procurement Notes

Verify the specific suffix PFF confirms the molded lead frame package type required for your PCB layout. Ensure the supply voltage remains strictly within the 3V to 3.6V operational window to maintain specified linearity and accuracy. Confirm that the target application meets the AEC-Q100 automotive grade requirements if this certification is mandatory for your design validation process.

Current Sensors Selection Notes

Select this part when a high-speed response time of 2.5µs is critical for dynamic load regulation. The 50A rating suits moderate power applications where compact through-hole integration is preferred over surface mount alternatives. Consider the 26.4mV/A sensitivity for signal conditioning amplifier selection to ensure adequate resolution across the full measurement range without saturation.

Current Sensors Part Context

This component belongs to the ACS773 series of high-performance current sensors from Allegro MicroSystems. The series is engineered for robust performance in demanding environments, offering superior immunity to external magnetic fields compared to traditional shunt-based solutions. The ACS773 variant specifically targets applications requiring high bandwidth and precise DC offset stability.

Current Sensors Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model. Designers should evaluate other ACS773 variants or ACS758/ACS770 series components only if their electrical parameters and package dimensions align with the existing board constraints.