MLX91218LDC-ARV-300-RE

Current Sensors Overview

The MLX91218LDC-ARV-300-RE is a high-speed, high-precision monolithic Hall effect current sensor from Melexis Technologies NV. It features IMC-Hall technology with a flexible U-shield for anti-crosstalk and measures currents ranging from 1A to 2000A. The device provides an analog voltage output proportional to the applied magnetic flux density parallel to the chip surface. Key electrical parameters include a bandwidth of DC to 400kHz, a response time of 2µs, and a supply voltage range of 3.135V to 3.465V. It operates within a temperature range of -40°C to 150°C and has a maximum supply current of 18mA. The sensor offers dual overcurrent detection (OCD) and factory-programmable transfer characteristics.

Current Sensors Feature Summary

• Dual overcurrent detection with internal and external thresholds for enhanced system protection
• IMC-Hall technology utilizing a flexible U-shield to provide robust anti-crosstalk performance
• Factory-calibrated programmable transfer characteristics including offset, sensitivity, filtering, and internal OCD thresholds
• High signal-to-noise ratio and low thermal drift across the wide operating temperature range

Current Sensors Applications

• High-voltage traction inverter phase current measurement
• DC-link current measurement in power electronics
• Motor control systems requiring fast switching response
• Inverter and converter applications with high bandwidth demands

Current Sensors Procurement Notes

Verify the specific suffix ARV-300-RE against the official datasheet to confirm the exact sensitivity and package configuration. Ensure that the ordering information matches the required analog output type and supply voltage specifications. Cross-reference the manufacturer's part number with distributor listings to confirm authenticity and availability status before finalizing procurement plans.

Current Sensors Selection Notes

Select this component for applications requiring high-speed current sensing up to 400kHz and precise measurement of DC currents. The IMC-Hall technology allows for compact mechanical integration compared to traditional iron-core solutions. Consider the programmable nature of the transfer characteristics for custom calibration needs. Ensure the application environment supports the specified operating temperature range and supply voltage constraints.

Current Sensors Part Context

This part belongs to the MLX91218 series of IMC-Hall current sensors, designed for automotive and industrial power electronics. The series emphasizes high precision, speed, and ease of integration into dense power modules. The MLX91218 family supports various sensitivity levels and packaging options to accommodate different current ranges and board layout requirements.

Current Sensors Replacement Considerations

Consult the official Melexis documentation for direct substitutes or updated versions within the MLX91218 family. Verify compatibility regarding pinout, sensitivity, and package dimensions when considering alternative part numbers.