71M6543HT-IGT/F

Overview

The 71M6543HT-IGT/F is a three-phase energy metering integrated circuit from Analog Devices Inc./Maxim Integrated. It utilizes Single Converter Technology and is housed in a 100-LQFP (14x14) package. The device supports four current sensor inputs with selectable differential mode operation. It features a selectable gain of 1 or 8 for one current input to accommodate neutral current shunt applications. Operating voltage ranges from 3 V to 3.6 V, with an operating temperature range of -40°C to 85°C.

Feature Summary

• Four current sensor inputs with selectable differential mode
• Selectable gain configuration for neutral current shunt support
• Single Converter Technology architecture

Applications

• Three-phase energy metering systems
• Precision energy meter ICs
• Smart grid infrastructure components

Procurement Notes

Verify the specific suffix HT against official Analog Devices documentation to confirm pinout and functional compatibility. Ensure the 100-LQFP package dimensions match the target PCB footprint. Confirm that the selected gain settings align with the intended shunt resistor values for accurate measurement.

Selection Notes

Select this component for applications requiring high-accuracy digital metering with phase sensing capabilities. The single converter technology simplifies design complexity compared to multi-converter alternatives. Ensure the system operates within the specified 3 V to 3.6 V supply range and temperature limits.

Part Context

This part belongs to the Maxim Integrated energy metering series, designed for robust power monitoring. It integrates advanced signal processing for precise energy calculation. The LQFP package facilitates surface mount assembly in compact electronic designs.

Replacement Considerations

The 71M6543F-IGT/F is listed as a similar variant in public comparisons. Verify if the HT suffix indicates a specific thermal or packaging variation before substitution.