71M6543GT-IGT/F

Overview

The 71M6543GT-IGT/F is a three-phase metering System on Chip (SoC) manufactured by Analog Devices Inc. under the Maxim Integrated brand. It integrates an 80515 user MPU core with 128 kB Flash and 5 kB SRAM. The device features a 22-bit ADC resolution, supporting current sensors including CT, shunt, and Rogowski coils. It operates at a maximum clock frequency of 10 MHz with a 3.3 V supply voltage. Key interfaces include two UARTs and GPIOs, housed in an LQFP-100 package.

Feature Summary

• Integrates a high-accuracy 22-bit delta-sigma ADC for precise energy measurement across three phases.
• Includes an 80515-compatible microprocessor unit with onboard flash memory and static RAM for embedded control.
• Supports multiple sensor input types including current transformers, shunts, and Rogowski coils.
• Features an integrated real-time clock and LCD driver for display applications.

Applications

• Three-phase polyphase energy metering systems
• Smart grid distribution metering infrastructure
• Industrial power monitoring equipment

Procurement Notes

Verify component authenticity through authorized Analog Devices or Maxim Integrated distributors. Confirm RoHS compliance status and lead-free packaging specifications prior to integration. Ensure the LQFP-100 thermal characteristics match your PCB design constraints. Validate that the specific suffix matches your required interface and memory configuration.

Selection Notes

Select this SoC for applications requiring integrated three-phase metrology without external isolation components. The 80515 core offers familiar development tools. Consider the 128 kB Flash capacity for complex firmware requirements. Verify compatibility with your chosen sensor type, as the device supports various current sensing technologies.

Part Context

This component belongs to the 71M65xx series of metering SoCs from Maxim Integrated. These devices utilize Single Converter Technology® to reduce bill of materials costs. The series targets utility-grade metering applications requiring high accuracy and low power consumption within a compact integrated solution.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices official resources for current lifecycle status and recommended alternatives if this part is obsolete or limited.