MLX91218LDC-ARX-301-TU

Current Sensors Overview

The MLX91218LDC-ARX-301-TU is a high-speed, programmable IMC-Hall current sensor IC from Melexis. It features a 400kHz bandwidth and a response time of 2µs. The device operates on a supply voltage of 3.135V to 3.465V with a maximum supply current of 18mA. It provides an analog voltage output with a sensitivity of 19mV/mT and linearity of ±0.5%. The sensor supports bidirectional current measurement and functions within a temperature range of -40°C to 150°C. It is housed in an 8-SOIC package.

Current Sensors Feature Summary

• Dual overcurrent detection (OCD) capabilities for enhanced system protection
• Programmable offset, sensitivity, filtering, and internal overcurrent thresholds
• IMC-Hall technology utilizing U-shaped shielding for interference resistance
• High signal-to-noise ratio supporting precise measurements in noisy environments

Current Sensors Applications

• Motor control systems requiring fast dynamic response
• Inverter modules for power conversion
• Converter circuits in industrial automation
• High-density power electronics assemblies

Current Sensors Procurement Notes

Verify the specific suffix ARX-301-TU corresponds to the required 3.3V supply range and 19mV/mT sensitivity profile. Confirm that the tube packaging aligns with automated assembly requirements. Ensure the selected variant matches the target application's thermal and electrical constraints before finalizing procurement orders.

Current Sensors Selection Notes

Select this component when dual overcurrent detection and high bandwidth are critical. The programmable nature allows customization of transfer characteristics without external calibration. Consider the 8-SOIC package size for board space limitations. Verify compatibility with the intended U-shaped shield configuration for optimal magnetic performance.

Current Sensors Part Context

This part belongs to the MLX91218 series of IMC-Hall current sensors. It represents a second-generation solution designed for high-speed applications. The series integrates Hall effect sensing with integrated magnetic concentrators. It targets modern power electronics demanding compact form factors and high reliability.

Current Sensors Replacement Considerations

MLX91218LDC-ARX-300-TU offers similar functionality but with different sensitivity and supply voltage specifications. MLX91218LDC-ARV-502-SP provides alternative sensitivity levels. Verify pinout and electrical parameters match before substitution.