The 71M6521DE-IGT/F from Maxim Integrated is a highly integrated, single-phase, energy-metering IC with a robust set of features designed to support a wide range of metering applications. This precision analog front-end (AFE) and sophisticated digital signal processing (DSP) core provide an effective solution for electric metering systems requiring high accuracy and reliability.

Key Features

• High Accuracy: The 71M6521DE-IGT/F boasts exceptional measurement accuracy, which exceeds the requirements for residential and industrial metering standards. This ensures precise energy billing and efficient energy management.
• Integrated MPU Core: Equipped with a powerful 32-bit MPU core, the device is capable of complex energy calculations and data handling, providing flexibility in metering design and functionality.
• Low Power Consumption: Designed with energy efficiency in mind, the IC operates with low power consumption, making it ideal for metering solutions where power availability is a concern.
• On-Chip Memory: It includes non-volatile memory (NVM) for storing calibration coefficients and metrology data, reducing the need for external memory components.
• Multi-Tariff Support: The device supports multiple tariffs, enabling dynamic billing schemes and time-of-use pricing models.
• Robust Tamper Detection: Advanced tamper detection features ensure the integrity of metering data, which is crucial for both utility providers and consumers.

Applications

The 71M6521DE-IGT/F is ideal for a variety of applications including:

• Residential energy meters
• Smart metering systems
• Industrial and commercial metering
• Sub-metering

Technical Specifications

The device operates over a wide temperature range and is available in a compact, lead-free 64-pin LQFP package. It is designed to interface with current transformers and shunt resistors, providing flexibility in metering hardware design.

For detailed technical specifications, datasheets, and support resources, customers are encouraged to visit Maxim Integrated's official website or contact their local sales representative.