90E32ASERGI8

Overview

The 90E32ASERGI8 is a three-phase energy metering integrated circuit manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of 2.8 V to 3.6 V and supports I/O voltages up to 3.6 V. The device features an input impedance selectable at 50 kΩ, 80 kΩ, or 120 kΩ, with a measurement error of 0.5%. It is housed in a 48-TQFP (7x7) surface-mount package and functions reliably across a temperature range of -40°C to 85°C.

Feature Summary

• Provides polyphase energy metering capabilities for three-phase systems
• Offers configurable input impedance options for flexible sensor interfacing
• Ensures high measurement accuracy with specified low error rates

Applications

• Three-phase electricity metering systems
• Polyphase energy monitoring equipment
• Industrial power management units

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm RoHS3 compliance and MSL level 1 requirements during integration. Check for valid substitute part numbers as original availability is limited. Ensure packaging specifications match assembly line requirements.

Selection Notes

Select this component for applications requiring precise three-phase energy measurement. Consider the 48-TQFP package constraints for PCB layout. Evaluate the 0.5% measurement error against system accuracy needs. Verify compatibility with 2.8 V to 3.6 V supply rails and selected input impedance values.

Part Context

This IC belongs to the Renesas energy metering family, designed specifically for polyphase applications. It integrates necessary signal processing functions into a compact surface-mount package. The device supports standard industrial communication interfaces for data retrieval and configuration.

Replacement Considerations

Check for equivalent models from the same manufacturer series. Verify pin-to-pin compatibility if substituting. Confirm that replacement parts meet the same electrical and environmental specifications.