MCQ1823GQTE-550URNAEC-Z

Current Sensors Overview

The MCQ1823GQTE-550URNAEC-Z is an automotive-grade linear Hall-effect current sensor IC from Monolithic Power Systems. It features a TQFN-12 (3x3mm) package with a height of 0.7 mm. The device supports 3.3V or 5V supply voltages and offers a bidirectional current range of ±50A. It provides ±2.5% total accuracy over the temperature range of -40°C to +125°C. The sensor includes a low-resistance 0.6mΩ primary conductor and integrates fast overcurrent detection with a 1μs response time. It operates with a bandwidth of 120kHz and delivers a ratiometric output voltage proportional to the sensed AC or DC current.

Current Sensors Feature Summary

• Integrates differential Hall array technology to cancel uniform or gradient stray magnetic fields for accurate sensing
• Features ultra-small TQFN-12 packaging to minimize printed circuit board area in space-constrained designs
• Incorporates internal low-resistance conductor allowing high current flow near sensitive integrated circuits
• Includes built-in fast overcurrent detection function for monitoring system overcurrent events

Current Sensors Applications

• Automotive battery management systems requiring precise current sampling
• Electric vehicle motor control applications
• On-board charger and DC-DC converter current monitoring
• General automotive power distribution units

Current Sensors Procurement Notes

Verify the specific suffix codes against official Monolithic Power Systems documentation to ensure correct current rating, output type, and packaging configuration. Confirm AEC-Q100 Grade 1 qualification status matches project requirements. Check for lead-free and RoHS compliance certifications prior to ordering. Ensure the selected variant aligns with the required supply voltage and accuracy specifications for the target application environment.

Current Sensors Selection Notes

Select this component when space constraints require a sub-millimeter height profile combined with high-current handling capabilities. Choose based on the need for ±50A bidirectional measurement with ±2.5% accuracy across the full automotive temperature range. Consider the integrated overcurrent detection feature if rapid fault response is critical. Evaluate the 120kHz bandwidth suitability for the specific switching frequencies present in the power electronics design.

Current Sensors Part Context

This part belongs to the MCQ1823 series of automotive-grade linear Hall-effect current sensors. The series is designed for AC or DC current sensing in demanding environments. It utilizes rotation current technology to achieve stable low offset performance. The family is characterized by factory calibration and immunity to external magnetic interference through differential sampling techniques.

Current Sensors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing PCB footprints and electrical parameters before considering alternative components from other manufacturers.