78M6613-IMR/F/PC1

Overview

The 78M6613-IMR/F/PC1 is a metering System on Chip (SoC) from Analog Devices / Maxim Integrated, designed for single-phase energy measurement applications. It integrates an 80515 core processor with 32 kB of Flash program memory and 2 kB of data RAM. The device features a high-resolution 22-bit ADC and supports a maximum clock frequency of 5 MHz. Communication is facilitated via a UART interface. It operates within a supply voltage range of 3.3 V and functions reliably across an industrial temperature range of -40°C to +85°C. The component is housed in a QFN-32 package.

Feature Summary

• Integrates a silicon delay line for precise timing measurements
• Combines high-resolution analog-to-digital conversion with digital signal processing capabilities
• Includes an embedded microcontroller unit for autonomous metering logic execution

Applications

• Single-phase AC energy metering systems
• Smart grid electricity meters
• Prepaid metering units

Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with required firmware and electrical characteristics. Confirm availability status as distribution channels may report limited stock or obsolete status for certain variants. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component for applications requiring integrated power and energy measurement with digital output capabilities. Ensure the design accommodates the QFN-32 package footprint and thermal requirements. Verify that the UART interface meets the communication needs of the host system. Consider the operating temperature range if the deployment environment exceeds standard commercial limits.

Part Context

This part belongs to the 78M6613 series of metering SoCs, which are optimized for single-phase energy measurement. The series typically includes variants with different packaging and temperature ratings. The 78M6613-EVM-1 is a recognized evaluation board for this family, demonstrating the chip's measurement accuracy and system integration capabilities for development purposes.

Replacement Considerations

Consult official substitution guides for compatible alternatives within the 78M66xx series. Verify pinout and register compatibility if replacing with other variants such as the 78M6610 or 78M6618. No direct public substitute part numbers are confirmed for this specific suffix configuration.