90E32AERGI8

Overview

The Renesas 90E32AERGI8 is a three-phase energy polyphase meter integrated circuit housed in a 48-TQFP (7x7) surface-mount package. It operates within a supply voltage range of 2.8 V to 3.6 V and supports an operating temperature range of -40°C to 85°C. The device features configurable input impedances of 50 kΩ, 80 kΩ, or 120 kΩ, with I/O high levels at 2.8 V/3.6 V and low levels at 0.4 V/0.8 V. It achieves a measurement error of 0.5%.

Feature Summary

• Integrated three-phase energy metering capability for polyphase applications
• Configurable input impedance options for flexible sensor interfacing
• Low measurement error ensuring accurate energy data acquisition

Applications

• Base station power distribution systems
• Subsystem power measurement
• Power monitoring for home automation

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status at major distributors. Confirm RoHS3 compliance and moisture sensitivity level 1 handling requirements during assembly. Validate pinout compatibility with existing PCB layouts before integration.

Selection Notes

Select this IC for designs requiring precise three-phase energy monitoring in industrial or residential settings. Ensure the system voltage aligns with the 2.8 V to 3.6 V operating range. Consider the 48-TQFP package constraints for thermal management and board space allocation.

Part Context

This component belongs to the Renesas energy metering family, designed for dedicated power measurement tasks. It integrates necessary analog-to-digital conversion and processing functions into a single chip, reducing bill-of-materials complexity compared to discrete solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference availability directly with the manufacturer or authorized distributors.