MLX91218LDC-ARV-500-TU

Current Sensors Overview

The MLX91218LDC-ARV-500-TU is a high-speed IMC-Hall current sensor IC with dual overcurrent detection. It features an analog voltage output with a sensitivity of 40mV/mT and a frequency range of DC to 400kHz. The device operates on a supply voltage of 4.5V to 5.5V, drawing a maximum supply current of 18mA. It offers a response time of 2µs and linearity of ±0.5%. The sensor is calibrated across the operating temperature range of -40°C to 150°C and is housed in an 8-SOIC package.

Current Sensors Feature Summary

• Dual overcurrent detection with low-level active open-drain output
• Programmable offset, sensitivity, filtering, and internal overcurrent thresholds
• High signal-to-noise ratio for simplified module design
• Factory calibration across the full operating temperature range

Current Sensors Applications

• Motor control systems
• Inverter modules
• Power converters

Current Sensors Procurement Notes

Verify the specific suffix ARV-500 against project requirements to ensure compatibility with 5V supply rails and 40mV/mT sensitivity. Confirm that the SOIC-8 tube packaging aligns with automated assembly processes. Cross-reference the dual overcurrent detection configuration with system safety logic to validate proper integration of the open-drain output signals.

Current Sensors Selection Notes

Select this variant for applications requiring 5V operation and high bandwidth up to 400kHz. The programmable nature allows customization of sensitivity and thresholds during end-user calibration. Ensure the design accommodates the U-shaped shield for optimal interference rejection in high-bandwidth scenarios.

Current Sensors Part Context

This component belongs to the Melexis IMC-Hall family, designed for high-performance current sensing in power electronics. It utilizes integrated magnetic concentration technology to enable smaller, lighter designs compared to traditional iron cores. The series supports flexible power voltages and offers various sensitivity options to suit different current measurement ranges.

Current Sensors Replacement Considerations

MLX91218LDC-ARX-300-TU differs by offering 3.3V operation and 14mV/mT sensitivity. MLX91218LDC-ARV-501-TU provides alternative sensitivity settings within the 5V architecture. Verify supply voltage and sensitivity alignment before substitution.