CT220RMV-HS5

Current Sensors Overview

The CT220RMV-HS5 is a contactless current sensor from Allegro MicroSystems utilizing XtremeSense™ Crocus technology. It features a single channel with bidirectional polarity and an analog voltage output. The device operates on a supply voltage of 2.7V to 5.5V with a maximum supply current of 1.2mA. Key electrical specifications include ±0.5% accuracy, ±0.3% linearity, and a sensitivity of 450mV/mT. It supports frequencies from DC to 200kHz with a response time of 20µs. The sensor is housed in an SOT-23-5 package (SC-74A/SOT-753) and functions within a temperature range of -40°C to 125°C.

Current Sensors Feature Summary

• Utilizes patented XtremeSense™ Crocus tunnel magnetoresistance (TMR) technology for high-linearity sensing.
• Provides analog voltage output suitable for direct interface with microcontrollers or ADCs.
• Designed for bidirectional current measurement with high resolution and low power consumption.

Current Sensors Applications

• Contactless current sensing in motor drives
• Power management systems requiring isolated current monitoring
• Industrial automation equipment

Current Sensors Procurement Notes

Verify the specific suffix HS5 against the official datasheet to confirm pinout and packaging details. Check for Product Change Notifications (PCN) regarding manufacturing location transitions or minimum order quantity changes. Confirm component availability status as distribution channels may list obsolete or active stock differently. Ensure RoHS compliance documentation matches current regulatory requirements.

Current Sensors Selection Notes

Select this model when high linearity and low power are critical for AC/DC current sensing applications. The SOT-23-5 package suits space-constrained surface-mount designs. Compare accuracy and linearity specifications against alternative TMR sensors if tighter tolerances are required. Ensure the operating temperature range meets the environmental conditions of the target application.

Current Sensors Part Context

The CT220 series represents Allegro's advanced TMR-based current sensors. The RMV variant specifically denotes the analog voltage output configuration. This component belongs to the XtremeSense™ Crocus family, offering improved performance over traditional Hall-effect sensors. It is designed to replace legacy solutions in compact, high-precision current monitoring roles.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Verify compatibility with existing board layouts and software calibration routines before considering alternatives. Consult manufacturer documentation for any officially recommended replacements due to obsolescence.