LTC2977CUP#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2977CUP#TRPBF is a digital power system manager manufactured by Analog Devices Inc., designed for comprehensive power monitoring and control. It features an integrated 64-WFQFN (9x9 mm) package with exposed pad, suitable for surface-mount installation. The device operates within a supply voltage range of 3.13 V to 15 V and draws a typical supply current of 10 mA. It supports an industrial operating temperature range from 0°C to +70°C. This component functions as an eight-channel PMBus power controller and monitor, providing accurate measurement capabilities for complex multi-rail systems.

Power Supply Controllers, Monitors Feature Summary

• Integrates eight independent channels for high-accuracy voltage and current monitoring across multiple power rails.
• Supports both high-side and low-side current sensing configurations for flexible system design.
• Enables precise power regulation and margining through the industry-standard PMBus interface.
• Includes built-in watchdog timer functionality to enhance system reliability and fault protection.

Power Supply Controllers, Monitors Applications

• Digital power controllers for FPGA power supplies
• Multi-rail server and storage system power management
• Industrial equipment requiring precise power rail monitoring
• Telecommunications infrastructure power distribution units

Power Supply Controllers, Monitors Procurement Notes

Verify that the ordering suffix #TRPBF corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the C-grade temperature rating aligns with the operational environment specifications of the target application. Ensure compatibility with LTpowerPlay software tools for configuration and monitoring during the procurement phase.

Power Supply Controllers, Monitors Selection Notes

Select this component when an eight-channel solution is required for detailed power system management. Consider the 64-QFN package dimensions for PCB layout constraints. Evaluate the need for PMBus communication versus simpler I2C interfaces found in other series members. Assess whether the specific accuracy and channel count justify the selection over lower-channel alternatives.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2977 family of Power System Managers, which are designed for complex digital power applications. The family includes variants such as the LTC2972, LTC2974, and LTC2979, offering different channel counts and feature sets. The LTC2977 specifically targets applications requiring extensive monitoring of eight distinct power rails simultaneously.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers: None identified in provided documentation.