LTC2978CUP#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2978CUP#TRPBF is an 8-channel PMBus power system manager manufactured by Analog Devices Inc. It features accurate output voltage measurement and supports high or low side current sensing. The device operates within a supply voltage range of 3.13 V to 15 V, with a typical operating supply current of 10 mA. It is housed in a 64-WFQFN package with exposed pad (9x9 mm) and is designed for surface mount installation. The component supports an industrial temperature range of 0°C to 70°C.

Power Supply Controllers, Monitors Feature Summary

• Integrates eight independent channels for comprehensive power system monitoring via the PMBus interface.
• Provides precise measurement capabilities for both output voltages and load currents using high or low side sensing configurations.
• Facilitates advanced power management functions including margining, tracking, and fault protection through digital control.

Power Supply Controllers, Monitors Applications

• Multi-rail server and storage subsystem power architectures
• Baseboard management controller integration for system health monitoring
• High-density telecommunications equipment power distribution units

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging configuration when sourcing. Confirm that the C-grade designation aligns with the required commercial temperature specifications for the target application environment. Cross-reference the manufacturer's latest documentation to ensure compliance with current RoHS standards and material declarations prior to final procurement authorization.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring centralized digital monitoring of multiple power rails without discrete sensor overhead. Ensure the PCB layout accommodates the 64-pin QFN footprint and thermal pad requirements for adequate heat dissipation. Validate that the host microcontroller supports the necessary PMBus protocol commands for configuring the eight monitored channels effectively.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2978A series of power system managers, which are designed for complex multi-phase applications. It complements other Analog Devices components like the LTC2977 by offering expanded channel capacity. The series targets modern systems needing detailed telemetry and control over power delivery networks.

Power Supply Controllers, Monitors Replacement Considerations

The LTC2978AIUP#TRPBF serves as a verified alternative within the same product family, offering identical functionality with potentially different grade specifications. Verify pin compatibility and software register mapping before substituting to ensure seamless integration into existing designs.