MLX91211LUA-ABT-520-BU

Current Sensors Overview

The MLX91211LUA-ABT-520-BU is a second-generation medium-speed current sensor utilizing conventional Hall technology. It detects magnetic fields generated by conductors to measure current. The device operates on a supply voltage ranging from 3.135 V to 5.5 V and features a ratiometric analog voltage output. Key electrical parameters include a sensitivity of 31.25 mV/mT, a frequency range of DC to 40 kHz, and a linearity of ±0.9%. It is housed in a TO-92-3 package with dimensions of 4.3 mm length, 3.2 mm width, and 1.6 mm height. The component supports an operating temperature range of -40°C to +150°C.

Current Sensors Feature Summary

• Generates analog voltage output proportional to the detected magnetic field
• Provides bidirectional current sensing capability
• Features ratiometric output relative to the supply voltage
• Designed for automotive applications with high thermal stability

Current Sensors Applications

• Automotive battery management systems
• Motor control circuits
• Power supply monitoring
• General purpose current sensing in harsh environments

Current Sensors Procurement Notes

Verify that the specific suffix ABT-520-BU matches the required sensitivity and packaging configuration. Confirm that the TO-92-3 short body package aligns with the PCB footprint design. Ensure the supplier provides documentation confirming AEC-Q100 qualification if automotive compliance is mandatory. Cross-reference the manufacturer part number against official Melexis databases to avoid counterfeit components.

Current Sensors Selection Notes

Select this component when a medium-speed response time is sufficient for the application requirements. The 31.25 mV/mT sensitivity offers a balance between signal strength and measurement range. Consider the TO-92-3 package for through-hole mounting constraints. Evaluate the 40 kHz frequency limit against the switching frequencies of the target circuit to ensure accurate signal capture without aliasing issues.

Current Sensors Part Context

This model belongs to the MLX91211 series of second-generation medium-speed current sensors. The series utilizes conventional Hall effect technology for robust performance. Variants within the family differ primarily in sensitivity ratings and output configurations. The MLX91211 series is engineered specifically for demanding automotive environments requiring reliable current monitoring.

Current Sensors Replacement Considerations

MLX91211LUA-ABA-500-SP