LTC2947IUFE#PBF

Overview

The LTC2947IUFE#PBF is a high-precision power and energy monitor manufactured by Analog Devices Inc. It features an integrated sense resistor, eliminating the need for external shunt components. The device supports both SPI/Digital and I2C interfaces for flexible system integration. It provides comprehensive monitoring capabilities including voltage, current, and accumulated energy measurements. The component operates within a supply voltage range of 2.7V to 5.5V and is available in a compact QFN package suitable for space-constrained applications.

Feature Summary

• Integrated precision sense resistor for simplified board layout
• Dual interface support for SPI/Digital and I2C communication protocols
• High accuracy power and energy accumulation measurement
• Compact QFN packaging for dense circuit designs

Applications

• Battery management systems requiring precise energy tracking
• Portable electronic devices with limited board space
• Industrial equipment power monitoring
• Telecommunications infrastructure power supplies

Procurement Notes

Verify the specific suffix IUFE against official Analog Devices documentation to confirm temperature grade and package variant. Confirm interface compatibility with your system controller before procurement. Check for any recent lifecycle notices or obsolescence warnings directly from the manufacturer. Ensure the integrated sense resistor value matches your current sensing requirements.

Selection Notes

Select this component when integrated shunt resistance is preferred over external discrete resistors to save PCB area. Consider the dual interface capability if your system requires flexibility between SPI and I2C. Verify that the operating temperature range meets your environmental specifications. Compare power consumption metrics against other monitors if battery life is critical.

Part Context

This part belongs to the LTC2947 family of power/energy monitors from Analog Devices. The series is designed for applications requiring accurate measurement of power parameters without external sensing components. The family includes variants with different current ratings and interface options, providing scalable solutions for various monitoring needs across industrial and consumer electronics sectors.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.