LTC2975CUP

Power Supply Controllers, Monitors Overview

The LTC2975CUP is a four-channel digital power system manager manufactured by Analog Devices Inc. It utilizes a 64-lead 9mm x 9mm QFN package and operates within a commercial temperature range of 0°C to 70°C. The device requires a supply voltage between 3.3V and 15V with a typical supply current of 10 mA. It features an integrated I2C/SMBus interface for communication and supports the LTpowerPlay graphical user interface for configuration and monitoring.

Power Supply Controllers, Monitors Feature Summary

• Provides comprehensive digital control and monitoring for four independent power channels
• Enables precise sequencing, servo regulation, margining, and fault management across multiple devices
• Includes internal telemetry capabilities for accurate measurement of voltages, currents, and power consumption
• Supports autonomous operation via EEPROM storage without requiring continuous host software intervention

Power Supply Controllers, Monitors Applications

• FPGA, ASIC, and DSP board power systems
• Server and network infrastructure power management
• Industrial test and measurement equipment
• High-reliability computing systems

Power Supply Controllers, Monitors Procurement Notes

Verify that the specific suffix 'CUP' corresponds to the commercial temperature grade and tube packaging variant required for your design. Confirm compatibility with the target PCB footprint and ensure the selected revision matches the schematic requirements. Cross-reference the manufacturer's latest documentation to validate pinout integrity before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when multi-channel digital supervision is necessary for optimizing server efficiency and cooling costs. It is suitable for designs requiring detailed energy tracking in Joules and runtime information. Ensure the application benefits from the integration of PMBus commands for automated power sequencing and fault logging without excessive host processor overhead.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC297x family of Power System Managers, which are designed to manage complex power architectures in high-performance computing environments. These devices replace traditional analog monitoring solutions by providing programmable digital control over power rails, enabling advanced features like margining and precise load-point regulation through standard serial interfaces.

Power Supply Controllers, Monitors Replacement Considerations

The LTC2978A is a compatible eight-channel upgrade option offering pin-compatible functionality with additional channel capacity. Designers requiring more than four monitored rails should consider the LTC2978 or LTC2978A series for expanded telemetry and management capabilities while maintaining similar interface protocols.