CT416-HSN865DR

Current Sensors Overview

The CT416-HSN865DR is a unidirectional magnetoresistive current sensor from Allegro MicroSystems, part of the XtremeSense™ Crocus series. It features an 8-SOIC package and supports AC/DC current measurement up to 65A with a sensitivity of 30.8mV/A. The device operates on a supply voltage of 3V to 3.6V, drawing a maximum supply current of 9mA. It offers high precision with ±1% accuracy and ±0.2% linearity, alongside a fast response time of 300ns. The sensor provides a ratiometric voltage output and functions within a frequency range of DC to 1MHz across an operating temperature range of -40°C to 125°C.

Current Sensors Feature Summary

• Utilizes XtremeSense™ TMR technology for ultra-low noise performance
• Provides ratiometric voltage output proportional to detected current
• Ensures high measurement accuracy with ±1% total error specification

Current Sensors Applications

• Industrial motor control systems
• Power supply current monitoring
• Battery management systems

Current Sensors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the received parts match the specific ordering suffix HSN865DR to ensure correct sensitivity and packaging specifications. Check for RoHS3 compliance status as indicated in official documentation. Ensure proper handling procedures are followed due to moisture sensitivity level 3 classification. Validate datasheet revisions prior to final design integration.

Current Sensors Selection Notes

Select this component when a low-profile surface-mount solution is required for precise current sensing in space-constrained designs. The 8-SOIC package facilitates automated assembly processes. Consider the 3V to 3.6V supply requirement to ensure compatibility with existing logic levels. The unidirectional nature limits usage to applications where current flow direction remains constant. Evaluate thermal resistance characteristics if high ambient temperatures are expected in the operational environment.

Current Sensors Part Context

This device belongs to the CT416 family of XtremeSense™ TMR sensors, designed for high-performance current sensing applications. It represents an evolution in magnetoresistive technology, offering improved signal-to-noise ratios compared to traditional Hall-effect sensors. The Crocus series integrates advanced signal processing to minimize offset errors and enhance stability over temperature variations, making it suitable for demanding industrial and automotive environments.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers include CT427-HSN865DR and CT417-HSN865DR, which offer parameter equivalence.