ACS730KLCTR-30AU-T

Current Sensors Overview

The Allegro MicroSystems ACS730KLCTR-30AU-T is a high-precision, open-loop Hall effect current sensor designed for AC and DC current measurement. It features a 30A detection range with a sensitivity of 120mV/A and an analog voltage output. The device operates within a 4.5V to 5.5V supply voltage range, consuming a maximum supply current of 25mA. It offers a bandwidth of DC to 1MHz and a response time of 700ns. Accuracy is specified at ±3.7% with linearity of ±1%. The component is housed in an 8-SOIC package (0.154" width) and supports unidirectional current flow across an operating temperature range of -40°C to 125°C.

Current Sensors Feature Summary

• Provides galvanic isolation between the current-carrying conductor and the signal processing circuitry using open-loop Hall effect technology.
• Delivers precise current sensing with low offset voltage drift and high linearity for accurate AC/DC measurements.
• Integrates internal signal conditioning including amplification and filtering to simplify system design.
• Supports surface-mount installation in compact 8-SOIC packages suitable for automated assembly.

Current Sensors Applications

• Industrial motor control systems requiring precise current feedback
• Commercial power supply monitoring and protection circuits
• Automotive battery management and charging systems
• Inverter and converter topologies for renewable energy applications

Current Sensors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance and REACH status prior to integration. Check for obsolescence notices as the part may be restricted for new designs due to minimum order quantity constraints. Ensure storage conditions meet moisture sensitivity level requirements before reflow soldering.

Current Sensors Selection Notes

Select this variant when a 30A unidirectional current limit is required with high bandwidth capabilities. Compare sensitivity against other family members if bidirectional sensing or different current thresholds are needed. Validate thermal performance within the -40°C to 125°C range for the specific application environment. Ensure the 8-SOIC footprint matches the PCB layout constraints.

Current Sensors Part Context

This component belongs to the ACS730 family of current sensors from Allegro MicroSystems. The family provides economical solutions for AC and DC current sensing in industrial and automotive markets. Variants differ primarily in current rating, polarity, and packaging suffixes. The ACS730 series is characterized by its high bandwidth and precision, making it suitable for demanding power electronics applications.

Current Sensors Replacement Considerations

Direct substitutes include other ACS730 variants such as ACS730KLCTR-20AB-T or ACS730KLCTR-80AU-T, depending on current rating and polarity requirements. Verify pin compatibility and sensitivity specifications when cross-referencing. No alternative part numbers are confirmed as direct replacements without functional changes.