MLX91218LDC-ARX-502-RE

Current Sensors Overview

The MLX91218LDC-ARX-502-RE is a board-mount current sensor utilizing Hall-effect technology for bidirectional DC current measurement. It features a ratiometric voltage output with a sensitivity of 25mV/mT and operates within a supply voltage range of 4.5V to 5.5V. The device exhibits a linearity of ±0.5% and a response time of 2µs, supporting frequencies from DC to 400kHz. It is housed in an 8-SOIC package and functions reliably across an operating temperature range of -40°C to 150°C.

Current Sensors Feature Summary

• Generates a ratiometric analog voltage output proportional to the sensed magnetic field
• Provides high-speed signal processing with a 2µs response time for dynamic applications
• Ensures precise measurement accuracy through ±0.5% linearity specification

Current Sensors Applications

• High-speed industrial motor control systems
• Power supply overcurrent protection circuits
• Automotive battery management monitoring

Current Sensors Procurement Notes

Verify that the specific suffix ARX-502-RE matches the required sensitivity and packaging configuration for the target design. Confirm compatibility with the 4.5V to 5.5V supply rail and ensure thermal management supports the -40°C to 150°C operational range. Cross-reference the 8-SOIC footprint dimensions against the PCB layout to guarantee correct surface mount assembly and electrical connectivity.

Current Sensors Selection Notes

Select this component when a wide bandwidth up to 400kHz is required for fast transient detection. The ratiometric output simplifies interface with microcontrollers by eliminating the need for external reference voltages. Consider the 19mA maximum supply current for power budgeting and verify that the bidirectional sensing capability aligns with the application's current flow requirements.

Current Sensors Part Context

This part belongs to the Melexis Gen2.75 HiSpeed IMC-Hall family, designed for robust current sensing in demanding environments. It integrates advanced Hall-effect technology into a compact SOIC8 package, offering programmable sensitivity options. The series is engineered for high EMC performance and reliability in automotive and industrial sectors.

Current Sensors Replacement Considerations

MLX91218LDC-ARV-502-SP is a documented substitute within the same product family. Verify that the alternative suffix meets identical sensitivity and package requirements before implementation.