LTC2978AIUP#PBF

Power Supply Controllers, Monitors Overview

The LTC2978AIUP#PBF is an 8-channel PMBus power system manager manufactured by Analog Devices Inc. It features a 64-lead QFN package and operates within a commercial temperature range of 0°C to 70°C. The device supports I2C/SMBus interfaces and includes internal monitoring for eight output voltages, one input voltage, and chip temperature via a 16-bit ADC. It provides precise margining, sequencing, and fault management capabilities with integrated EEPROM for black box recording.

Power Supply Controllers, Monitors Feature Summary

• Supports power sequencing, servo regulation, and margining across eight channels
• Features automatic fault recording in internal EEPROM upon power failure detection
• Includes programmable watchdog timer for microprocessor stall protection
• Enables autonomous operation through single-wire bus synchronization

Power Supply Controllers, Monitors Applications

• Computer and network server power systems
• Industrial test and measurement equipment
• High-reliability system power management
• Medical imaging power supplies
• Video processing power architectures

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity due to end-of-life status. Confirm package integrity and pin alignment against the 64-pin QFN specification. Review manufacturer discontinuance notifications for supply chain impact. Validate electrical parameters against original design requirements before integration into new hardware.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring multi-channel power coordination without external software overhead. Ensure compatibility with existing PMBus command sets. Consider the 0°C to 70°C operating range for environmental constraints. Evaluate the 64-pin footprint availability in the target PCB layout.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2978A series, serving as a pin-compatible upgrade to the LTC2978. It functions as a specialized PMIC for complex power distribution networks. The device integrates telemetry and margining controls typically managed by separate controllers, consolidating system management functions into a single integrated circuit solution.

Power Supply Controllers, Monitors Replacement Considerations

The LTC2978AIUP#TRPBF is a tape-and-reel variant of the same functional device. Verify packaging differences if reel handling is required instead of tube packaging. No other direct substitutes are documented in the provided data.