MCQ1823GQTE-520BRNAEC-P

Current Sensors Overview

The MCQ1823GQTE-520BRNAEC-P is an automotive-grade linear Hall-effect current sensor IC designed for AC or DC current sampling. It features a differential Hall array to eliminate stray magnetic field interference and utilizes a low-resistance internal conductor with 0.6mΩ resistance. The device offers ±2.5% total accuracy over temperature, supports 3.3V or 5V single power supplies, and provides a 120kHz bandwidth. It includes integrated fast overcurrent detection (OCD) with a 1μs response time and is housed in a compact TQFN-12 (3mmx3mm) package.

Current Sensors Feature Summary

• Automotive-grade linear Hall-effect technology with differential sampling for high immunity to external gradient magnetic fields
• Integrated fast overcurrent detection (OCD) function enabling rapid monitoring of system overcurrent events
• Low-resistance internal conductor design allowing large currents to flow near the precision sensing circuitry
• Factory calibration ensuring stable performance with minimal offset through rotational current techniques

Current Sensors Applications

• Automotive battery management systems requiring precise bidirectional current monitoring
• Electric vehicle motor control applications demanding high-bandwidth current feedback
• On-board charger (OBC) circuits utilizing linear Hall-effect sensing for AC/DC sampling
• Power distribution units in automotive environments needing robust overcurrent protection

Current Sensors Procurement Notes

Verify that the specific suffix matches the required current rating and output configuration for your application. Confirm AEC-Q100 Grade 1 qualification status is explicitly stated in the final datasheet for the exact part number. Ensure the supply voltage range aligns with your system's 3.3V or 5V rails. Cross-reference the package marking code to distinguish between tape-and-reel and tube packaging variants if applicable.

Current Sensors Selection Notes

Select this component when space constraints require a small footprint combined with high accuracy in automotive environments. Consider the 120kHz bandwidth for dynamic load applications. Evaluate the OCD threshold requirements against the specific current ranges available within the MCQ1823 family. Verify compatibility with the differential Hall array's ability to cancel stray fields in dense PCB layouts.

Current Sensors Part Context

This part belongs to the MCQ1823 series of ultra-small linear Hall-effect current sensors from Monolithic Power Systems. The series is characterized by its automotive-grade reliability and compact TQFN-12 packaging. Variants within the series differ primarily in rated current ranges and specific OCD thresholds, offering flexibility for various automotive power monitoring needs while maintaining consistent accuracy and bandwidth specifications.

Current Sensors Replacement Considerations

Direct substitutes within the MCQ1823 family include MCQ1823GQTE-530BRNAEC-Z and MCQ1823GQTE-520BRNAEC-Z. These parts share identical pinouts and functional characteristics but may differ in specific current ratings or packaging options. Verify that any replacement maintains the same AEC-Q100 qualification and package dimensions for board-level compatibility.