LTC2978IUP#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2978IUP#TRPBF is an 8-channel PMBus power system manager featuring accurate output voltage measurement. It operates within a supply voltage range of 3.13 V to 15 V and draws a typical operating supply current of 10 mA. The device supports high or low side current sensing and functions across a temperature range of -40°C to +105°C. It is housed in a QFN-64 package.

Power Supply Controllers, Monitors Feature Summary

• Integrates eight channels for comprehensive power system monitoring via PMBus interface
• Provides precise output voltage measurement capabilities for critical rails
• Supports flexible current sensing configurations on either high or low side

Power Supply Controllers, Monitors Applications

• Server and storage backplane power management
• Telecommunications infrastructure equipment
• Industrial control systems requiring multi-rail supervision

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix TRPBF indicates reel packaging when sourcing. Confirm the I grade designation aligns with the required industrial temperature specifications for your application environment. Cross-reference the manufacturer datasheet to ensure compatibility with existing PMBus implementations.

Power Supply Controllers, Monitors Selection Notes

Select this component when eight distinct power rails require centralized monitoring through a standard PMBus interface. It is suitable for designs needing integrated voltage accuracy without external precision amplifiers. Consider the QFN-64 footprint constraints during PCB layout planning.

Power Supply Controllers, Monitors Part Context

This part belongs to the Analog Devices LTC2978 family of power system managers. It serves as a specialized solution for complex power architectures where multiple voltages must be tracked simultaneously. The device complements other PMIC offerings by providing dedicated channel management rather than regulation.

Power Supply Controllers, Monitors Replacement Considerations

The LTC2977IUP#TRPBF is a documented substitute within the same product family, offering similar functionality.