LTC2978BCUP

Power Supply Controllers, Monitors Overview

The LTC2978BCUP is an octal PMBus power supply monitor and controller manufactured by Analog Devices Inc. It features a wide-range I2C interface with rail-to-rail input capability spanning from 0V to 80V. The device integrates eight independent channels for precise voltage and current monitoring, alongside comprehensive system management functions. It includes built-in EEPROM for non-volatile configuration storage and supports digital power system management protocols. The component is housed in a QFN-64 package designed for surface-mount installation.

Power Supply Controllers, Monitors Feature Summary

• Octal channel architecture for simultaneous multi-rail monitoring
• Wide input range supporting voltages from 0V to 80V
• Integrated EEPROM for persistent configuration retention
• PMBus compatible digital power system management

Power Supply Controllers, Monitors Applications

• Multi-rack server power distribution units
• Telecommunications base station power systems
• Industrial control system power monitoring
• High-density computing platform power regulation

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix and temperature grade against official Analog Devices documentation to ensure compatibility with design requirements. Confirm availability status as manufacturing lifecycles may change. Cross-reference the exact part number with authorized distributors to avoid counterfeit components. Ensure the QFN-64 footprint matches the PCB layout specifications prior to procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems requiring extensive multi-channel power monitoring within a single integrated circuit. The wide input range makes it suitable for high-voltage rails common in industrial and telecom applications. Consider the PMBus interface requirements for host controller compatibility. Evaluate the thermal performance of the QFN-64 package relative to the expected power dissipation in the target application environment.

Power Supply Controllers, Monitors Part Context

The LTC2978 belongs to the family of digital power system managers from Analog Devices. It complements other power monitors and controllers by providing extensive channel counts and robust communication interfaces. This series is engineered for complex power architectures where centralized monitoring and control are necessary for system reliability and efficiency.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers: None identified.