MLX91216LDC-ACX-000-RE

Current Sensors Overview

The MLX91216LDC-ACX-000-RE is a high-speed IMC-Hall current sensor chip designed for inverter and battery management system applications. It features a SOIC-8 package with an integrated U-shaped magnetic shield, supporting vertical stacking and surface mount assembly. The device provides a ratiometric voltage output with a factory sensitivity of 25mV/mT and a bandwidth from DC to 250kHz. It operates on a supply voltage of 4.5V to 5.5V and withstands temperatures from -40°C to +150°C. This variant targets high-current ranges up to 2000A, offering enhanced diagnostic capabilities including wire break detection and programmable output clamping.

Current Sensors Feature Summary

• IMC-Hall technology utilizing a flexible U-shaped shield for interference resistance
• Enhanced diagnostic functions including wire break detection and programmable output clamping
• Extended on-chip filtering capabilities for signal integrity
• High precision with low thermal zero point and sensitivity drift

Current Sensors Applications

• Inverter and converter systems
• Battery Management System (BMS) redundant monitoring
• Electric vehicle traction applications
• Industrial motor control

Current Sensors Procurement Notes

Verify the specific suffix ACX corresponds to the required high magnetic field range (800A to 2000A). Confirm the RE suffix indicates tape and reel packaging suitable for automated surface mount production. Ensure the order matches the AEC-Q100 Grade 0 qualification requirements for automotive deployment. Cross-reference the programming tool PTC-04 availability if field reprogramming is necessary.

Current Sensors Selection Notes

Select this model for applications requiring high isolation currents up to 2000A with fast response times. The ACX variant is optimized for extremely high magnetic fields compared to ACH or ACV versions. Consider the SOIC-8 package dimensions for mechanical constraints and the need for vertical stacking. Evaluate the 250kHz bandwidth against the switching frequency of the power electronics to ensure adequate signal fidelity.

Current Sensors Part Context

This component belongs to the Melexis Gen2.5 IMC-Hall series, representing an evolution in Hall effect current sensing. It integrates a CMOS sensor with a dedicated magnetic concentrator point within a protective shield. The series emphasizes robustness against mechanical damage and stray fields, targeting demanding environments where traditional sensors may fail due to vibration or electromagnetic noise.

Current Sensors Replacement Considerations

MLX91216LDC-ACH-000-RE: Lower magnetic field range (200A-600A). MLX91216LDC-ACV-000-RE: Intermediate magnetic field range (400A-1200A). Verify that the replacement part's sensitivity and current range match the system design requirements before substitution.