78M6631-IMR/F

Overview

The 78M6631-IMR/F is a three-phase power measurement and monitoring system-on-chip (SoC) from Analog Devices/Maxim Integrated. It integrates a 10MHz 8051-compatible MPU core, a 22-bit Delta-Sigma ADC, and a 32-bit compute engine. The device supports both delta and wye configurations with six analog inputs for voltage and current sensing. It offers high accuracy across wide dynamic ranges and includes interfaces such as UART, I²C, and SPI for host communication.

Feature Summary

• Integrates a 10MHz 8051-compatible microprocessor unit with 128KB flash memory
• Features Teridian Single Converter Technology with a 22-bit Delta-Sigma ADC and 32-bit compute engine
• Supports configurable delta or wye three-phase connection topologies
• Provides multiple host interface options including UART, I²C, and high-speed slave SPI

Applications

• Building automation systems
• Data center power distribution units
• Communication equipment power supplies
• Motor run applications
• Solar inverters

Procurement Notes

Verify the specific suffix IMR/F against official datasheets to confirm package type and temperature range. Confirm availability status as this component may be discontinued or restricted. Ensure compatibility with existing firmware requirements given the integrated MPU core. Check RoHS compliance details if required for your manufacturing process.

Selection Notes

Select this SoC when high-accuracy three-phase power monitoring is required. It is suitable for applications needing integrated processing and measurement capabilities. Consider the available flash memory and interface options for system integration. Verify that the operating temperature range meets environmental specifications.

Part Context

This component belongs to the 78M6631 series of metering SoCs designed for three-phase power applications. It utilizes Teridian's Single Converter Technology for precise energy measurement. The device combines analog front-end processing with digital control logic on a single chip.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for potential replacements or updated product lines.