CT220FMC-HS5

Current Sensors Overview

The CT220FMC-HS5 is a high-accuracy, high-resolution contactless current sensor utilizing XtremeSense™ Tunneling Magnetoresistance (TMR) technology. It features a single channel with bidirectional polarization for AC/DC measurement. The device operates on a supply voltage of 2.7V to 5.5V with a maximum supply current of 2.5mA. Key electrical parameters include ±0.5% accuracy, ±0.15% linearity, and a sensitivity of 450mV/mT. It offers a frequency response from DC to 200kHz and a response time of 20µs. The sensor is housed in an SC-74A (SOT-753) package and supports ratiometric, voltage, and current outputs.

Current Sensors Feature Summary

• Utilizes patented XtremeSense™ TMR technology for high linearity and resolution.
• Provides bidirectional sensing capability for accurate AC and DC current measurements.
• Delivers ratiometric, voltage, and current output options for flexible system integration.

Current Sensors Applications

• Contactless current sensing in power electronics
• Motor control systems requiring precise current feedback
• Industrial automation and power management circuits

Current Sensors Procurement Notes

Verify component status as the CT220 series has been marked obsolete with a final shipment date of February 16, 2026. Confirm availability through authorized distributors or remaining stock holders. Ensure that any procurement aligns with the discontinuation timeline to avoid supply chain disruptions for ongoing production needs.

Current Sensors Selection Notes

Select this component for applications demanding high accuracy and linearity in compact surface-mount designs. The SOT-753 package suits space-constrained PCB layouts. Consider the 200kHz bandwidth and 20µs response time for dynamic load requirements. Evaluate the 2.7V to 5.5V operating range against system power rails to ensure compatibility.

Current Sensors Part Context

This part belongs to the Allegro MicroSystems XtremeSense™ Crocus series, leveraging Tunneling Magnetoresistance technology. It is designed as a direct replacement for traditional Hall-effect sensors in many applications, offering improved performance metrics. The basic product number CT220 indicates its family lineage within the company's magnetic sensor portfolio.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not explicitly listed in the provided documentation. Due to the obsolete status, alternative solutions should be evaluated based on pin compatibility, sensitivity, and package dimensions. Consult official Allegro MicroSystems resources for current recommended replacements.