MLX91218LDC-ARV-502-TU

Current Sensors Overview

The MLX91218LDC-ARV-502-TU is a single-channel, bidirectional Hall effect current sensor from Melexis Technologies NV. It features a ratiometric voltage output with a sensitivity of 30 mV/mT and operates within a supply voltage range of 4.5V to 5.5V. The device supports DC measurements up to 400kHz frequency with a response time of 2µs. It draws a maximum supply current of 19mA and functions across an operating temperature range of -40°C to 150°C. Packaged in an 8-SOIC (0.154", 3.90mm width) surface mount housing, it offers ±0.5% linearity.

Current Sensors Feature Summary

• Implements IMC-Hall technology with integrated magnetic circuitry for high signal-to-noise ratio
• Features dual programmable overcurrent detection (OCD) with low-level active open-drain outputs
• Provides factory-calibrated linear transfer characteristics with user-programmable offset and sensitivity
• Delivers fast response times suitable for high-speed switching applications

Current Sensors Applications

• Motor control systems requiring rapid current feedback
• Inverter and converter modules in power electronics
• Compact switch-mode power supplies
• Digital power management circuits

Current Sensors Procurement Notes

Verify the specific suffix ARV-502 corresponds to the required 30 mV/mT sensitivity and 5V supply specification. Confirm that the TU tape-and-reel packaging aligns with automated assembly requirements. Ensure the 8-SOIC footprint matches the target PCB design. Check RoHS3 compliance status for environmental regulations. Validate that the bidirectional measurement capability meets system polarity needs.

Current Sensors Selection Notes

Select this component when high bandwidth up to 400kHz is necessary for precise current monitoring. Choose the 30 mV/mT sensitivity variant if higher resolution is required compared to lower sensitivity options. Consider the integrated OCD feature for simplified protection logic without external comparators. Evaluate the 8-SOIC package size against available board space constraints. Verify compatibility with 4.5V to 5.5V supply rails common in industrial controllers.

Current Sensors Part Context

This part belongs to the MLX91218 series of IMC-Hall current sensors designed for high-performance applications. It shares the core architecture with variants like MLX91216 and MLX91208 but differs in sensitivity and supply voltage specifications. The series utilizes flexible U-shaped shields to mitigate interference while maintaining compact form factors. It represents a generation of sensors optimized for integration into dense power electronic modules.

Current Sensors Replacement Considerations

MLX91218LDC-ARV-502-SP: Identical electrical specifications and functionality; differs only in bulk packaging instead of tape-and-reel format.