MLX91220KDC-ABF-025-TU

Current Sensors Overview

The MLX91220KDC-ABF-025-TU is a board-mount current sensor from Melexis, utilizing Hall effect technology for bidirectional AC/DC measurement. It features an 8-SOIC package with dimensions of 4.98 mm length, 3.99 mm width, and 1.73 mm height. The device operates on a supply voltage of 4.5V to 5.5V, drawing a maximum supply current of 26mA. It offers a sensitivity of 100mV/A and a response time of 2µs. The bandwidth ranges from DC to 300kHz, supporting a detection current of 25A. Operating temperatures span from -40°C to +125°C.

Current Sensors Feature Summary

• Integrates Hall effect sensing with proprietary IMC technology for robust reliability and stray field immunity.
• Provides factory-calibrated analog ratiometric or fixed output voltages without requiring end-of-line calibration.
• Features dual on-chip over-current detection outputs to reduce bill of materials by minimizing external comparator needs.

Current Sensors Applications

• Automotive onboard chargers (OBC)
• High-side DC-DC converters
• Industrial motor control systems

Current Sensors Procurement Notes

Verify the specific suffix 'TU' against official Melexis documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with AEC-Q100 automotive qualification requirements if deployed in vehicle applications. Cross-reference the 8-SOIC footprint dimensions during PCB layout finalization to guarantee mechanical fit within the target enclosure constraints.

Current Sensors Selection Notes

Select this component for applications requiring high isolation voltage and precise current sensing in compact spaces. The integrated magnetic core design eliminates the need for external flux concentrators, simplifying assembly. Consider the 2µs response time for fast transient protection schemes. Verify that the 25A detection range aligns with peak load requirements while maintaining linearity within ±0.6% across the operational temperature spectrum.

Current Sensors Part Context

This part belongs to the MLX91220 series of second-generation isolated integrated current sensors. The series balances small size, low impedance, and high bandwidth with high voltage isolation. Unlike traditional discrete solutions, these ICs sense current through the package lead frame, reducing thermal loss and system complexity while maintaining automotive-grade durability.

Current Sensors Replacement Considerations

MLX91220KDC-ABR-025-TU: Identical form factor and electrical characteristics with potentially different output configuration; verify datasheet specifics before substitution.