71M6542GT-IGTR/F

Overview

The 71M6542GT-IGTR/F is a fourth-generation single-phase metering System on Chip (SoC) from Analog Devices Inc./Maxim Integrated. It integrates a 5 MHz 8051-compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and an LCD driver. The device utilizes Single Converter Technology featuring a 22-bit delta-sigma ADC, three or four analog inputs, digital temperature compensation, a precision voltage reference, and a 32-bit computation engine. It operates at 3 V to 3.6 V, supports I2C and UART interfaces, and achieves 0.1% measurement error over a 2000:1 current range. The component is housed in a 100-LQFP package.

Feature Summary

• Integrates Single Converter Technology with a 22-bit delta-sigma ADC for high-precision energy measurement.
• Combines a 5 MHz 8051-compatible MPU core with a 32-bit computation engine for efficient data processing.
• Includes built-in low-power real-time clock with digital temperature compensation and flash memory.
• Supports optional isolation interfaces for enhanced reliability and magnetic tamper immunity.

Applications

• Residential single-phase electricity meters
• Smart grid metering systems
• Prepaid energy metering devices

Procurement Notes

Verify the exact suffix configuration against the manufacturer's official datasheet, as variations may exist between distributors. Confirm RoHS compliance status and lead times directly with authorized suppliers, as this component may be subject to limited availability or obsolescence notices. Ensure the selected variant matches the required pinout and memory specifications for your specific design implementation.

Selection Notes

Select this SoC for applications requiring high accuracy and minimal external components. The integrated LCD driver and RTC reduce bill of materials costs. Consider the 100-LQFP package size for PCB layout constraints. Verify compatibility with existing development tools and reference designs provided by the manufacturer for certification support.

Part Context

This component belongs to the Teridian 71M6x01 series of fourth-generation single-phase metering SoCs. It is designed to meet ANSI and IEC electricity metering standards worldwide. The series emphasizes BOM cost reduction through integration while maintaining performance suitable for residential metering applications.

Replacement Considerations

Check for direct substitutes within the 71M654x family, such as the 71M6542G-IGT/F, noting potential differences in packaging or revision. Consult the manufacturer's lifecycle management documentation for end-of-life notifications and recommended alternative part numbers if this specific suffix is discontinued.

FAQ

What is the maximum operating temperature for the 71M6542GT-IGTR/F?

The maximum operating temperature is +85°C.

Does the 71M6542GT-IGTR/F include an LCD driver?

Yes, it includes an LCD driver capable of driving up to six LCD segments per SEG driver pin.