ACS711KLCTR-12AB-T

Current Sensors Overview

The ACS711KLCTR-12AB-T is a bidirectional, linear Hall effect current sensor IC from Allegro MicroSystems. It integrates low-resistance copper conduction paths to enable accurate measurement of AC and DC currents up to 12.5A with galvanic isolation. The device features an analog voltage output proportional to the applied magnetic field generated by the current. Key electrical parameters include a supply voltage range of 3V to 5.5V, a sensitivity of 100mV/A, and a response time of 4.6μs. It operates within a temperature range of -40°C to 125°C and is housed in an 8-pin SOIC package.

Current Sensors Feature Summary

• Integrates low-resistance copper conduction paths for precise current sensing
• Provides galvanic isolation between high-voltage circuits and control electronics
• Delivers analog voltage output proportional to measured current magnitude

Current Sensors Applications

• Circuit protection systems requiring overcurrent detection
• Current monitoring in power supply units
• Motor control and inverter drive applications

Current Sensors Procurement Notes

Verify the specific suffix 'KLCTR-12AB-T' against official Allegro MicroSystems documentation to confirm pinout configuration, sensitivity tolerance, and packaging specifications. Ensure that the selected variant matches the required operating temperature range and supply voltage constraints for the target application design.

Current Sensors Selection Notes

Select this component when bidirectional current sensing with integrated conduction paths is required. Consider the 12.5A rating and 100mV/A sensitivity for appropriate signal conditioning. Evaluate thermal management requirements due to the internal copper path resistance and ensure compatibility with the 3V to 5.5V supply voltage range.

Current Sensors Part Context

This part belongs to the ACS711 series of integrated linear current sensor ICs. The series utilizes Hall effect technology to provide isolated current measurement solutions. The ACS711KLCTR-12AB-T specifically denotes the 12.5A bidirectional variant packaged in an 8-SOIC format, designed for surface mount assembly in compact electronic designs.

Current Sensors Replacement Considerations

Consult official Allegro MicroSystems substitution guides for verified equivalents. Cross-reference pinouts and electrical characteristics carefully when considering alternative parts from other manufacturers.