MLX91211LUA-ABA-520-SP

Current Sensors Overview

The MLX91211LUA-ABA-520-SP is a board-mount current sensor IC from Melexis, utilizing Hall effect technology for bidirectional current sensing. It features a ratiometric analog output and operates within a supply voltage range of 3.135 V to 5.5 V. The device provides a sensitivity of 31.25 mV/mT with an 8 µs response time and supports frequencies up to 40 kHz. Designed for automotive applications, it holds AEC-Q100 qualification and functions reliably across a temperature range of -40 °C to +150 °C. The component is housed in a compact TO-92-3 package.

Current Sensors Feature Summary

• Generates ratiometric analog output proportional to magnetic field strength
• Supports bidirectional current sensing capabilities
• Engineered for high-speed operation with rapid response characteristics

Current Sensors Applications

• Automotive battery management systems
• Motor control circuits
• Power supply monitoring

Current Sensors Procurement Notes

Verify the specific suffix code against official documentation to confirm sensitivity and functional parameters. Ensure the procurement channel provides valid traceability for automotive-grade components. Confirm that the TO-92-3 package variant matches the required mechanical constraints for the target assembly. Cross-reference the AEC-Q100 certification status if strict automotive compliance is mandatory for the project.

Current Sensors Selection Notes

Select this component when a Hall-effect solution with ratiometric output is required for precise current measurement. The wide operating temperature range suits harsh automotive environments. Consider the 31.25 mV/mT sensitivity for appropriate signal conditioning design. Verify compatibility with the system's supply voltage limits and ensure the TO-92-3 footprint fits the PCB layout constraints.

Current Sensors Part Context

This part belongs to the MLX91211 series of Gen2 MedSpeed Conv.Hall Current Sensors. It represents a specialized variant optimized for automotive applications requiring robust performance. The series integrates advanced Hall technology into a compact form factor, distinguishing it from generic industrial sensors by its focus on automotive reliability and specific sensitivity profiles.

Current Sensors Replacement Considerations

Direct substitutes include other MLX91211 variants with different sensitivity codes, such as MLX91211LUA-ABA-500-SP. Verify that alternative parts maintain identical package dimensions and electrical interface requirements before integration.