MLX91208LDC-CAV-000-RE

Current Sensors Overview

The MLX91208LDC-CAV-000-RE is a single-channel, open-loop bidirectional Hall effect current sensor from Melexis. It utilizes Triaxis® technology with an Integrated Magnetic Concentrator (IMC-Hall) for high sensitivity to parallel magnetic fields. The device features a linear analog output with a factory sensitivity of 40mV/mT and a measurement range of 30-200mT. Key electrical parameters include a supply voltage of 4.5V to 5.5V, maximum supply current of 14mA, and a response time of 3µs. It operates within a temperature range of -40°C to 150°C, offering ±0.75% linearity and ±0.1% accuracy. The component is housed in an 8-SOIC package and supports frequencies up to 200kHz.

Current Sensors Feature Summary

• Implements IMC-Hall technology for enhanced sensitivity to horizontal magnetic flux density
• Features programmable transfer characteristics including offset, gain, and temperature compensation via internal EEPROM
• Provides a linear analog output optimized for applications requiring rapid signal response
• Delivers high precision with ±0.1% accuracy and ±0.75% linearity

Current Sensors Applications

• Inverter systems requiring fast response times
• Automotive electronics and powertrain control modules
• Industrial control systems and motor drives
• High-current PCB or busbar mounting configurations

Current Sensors Procurement Notes

Verify the specific suffix 'RE' indicates Reel packaging when sourcing components. Confirm that the CAV variant corresponds to the 30-200mT magnetic field range required for your application's current levels. Ensure compatibility with the PTC04 programming tool for necessary calibration of gain and offset parameters before deployment in final assemblies.

Current Sensors Selection Notes

Select this model when the application demands high-speed current sensing with a wide dynamic range up to 1000A using appropriate shielding. The CAV suffix is critical for handling higher magnetic fields compared to CAL or CAH variants. Consider the 8-SOIC surface mount package for compact designs and verify that the 4.5V-5.5V supply range aligns with the system's power architecture.

Current Sensors Part Context

This component belongs to the MLX91208 series, part of Melexis's Gen2 HiSpeed IMC-Hall family. It represents an evolution in single-chip Hall sensors designed for robust automotive and industrial environments. The series integrates CMOS technology with specialized backend processes to create the magnetic concentrator, distinguishing it from conventional planar Hall sensors.

Current Sensors Replacement Considerations

MLX91208LDC-CAV-000-TU: Identical functional specifications but supplied in Tube packaging instead of Reel.

Current Sensors FAQ

How is the sensitivity of the MLX91208LDC-CAV-000-RE configured?

Sensitivity is not fixed; it is configured through internal EEPROM parameters for coarse gain (RG) and fine gain (FG), which can be programmed using the PTC04 daughterboard and software.

What distinguishes the IMC-Hall technology in this sensor?

Unlike traditional planar Hall sensors that detect vertical magnetic fields, IMC-Hall technology uses an integrated magnetic concentrator to detect magnetic flux density parallel to the IC surface, enabling efficient current sensing.