ACS37010LLZATR-050B3

Current Sensors Overview

The ACS37010LLZATR-050B3 is an automotive-grade bidirectional DC current sensor IC from Allegro MicroSystems. It utilizes Hall effect technology to provide galvanic isolation between the high-current path and the signal output. The device features a 50 A current rating with a sensitivity of 40 mV/A. It operates within a supply voltage range of 3 V to 3.6 V and supports a bandwidth of 450 kHz. The package is a compact 8-SOIC (0.154 inch, 3.90 mm wide) with 6 leads, designed for surface mount installation. It includes integrated fault detection capabilities and offers high accuracy suitable for demanding automotive applications.

Current Sensors Feature Summary

• Automotive-grade reliability for harsh environments
• Galvanic isolation via Hall effect sensing
• Integrated fault detection functionality
• Compact 8-SOIC surface mount package

Current Sensors Applications

• Electric vehicle battery management systems
• Motor control drives
• Charging station current monitoring
• Inverter protection circuits

Current Sensors Procurement Notes

Verify the specific suffix B3 against the official datasheet to confirm pinout and electrical characteristics match the design requirements. Ensure the ordering part number corresponds exactly to the required sensitivity and package variant. Check for RoHS compliance status in the latest documentation before finalizing procurement orders.

Current Sensors Selection Notes

Select this component when automotive qualification is mandatory for the application. The 450 kHz bandwidth supports high-frequency switching applications. Consider the 40 mV/A sensitivity for signal conditioning requirements. Verify that the 3 V to 3.6 V supply range aligns with the system power architecture. Evaluate thermal performance within the SOIC-6 footprint constraints.

Current Sensors Part Context

This part belongs to the ACS37010 series of high-precision current sensors. It is designed specifically for automotive applications requiring robust isolation and accuracy. The LLZA suffix indicates the specific package and tape/reel configuration. It complements other Allegro current sensing solutions by offering dedicated automotive-grade performance in a small form factor.

Current Sensors Replacement Considerations

Direct substitutes include other parts within the ACS37010 family with matching sensitivity ratings. Cross-reference pinouts and supply voltage ranges carefully. Verify that alternative components meet the same automotive quality standards and isolation requirements as specified in the original design.