LTC2975IUP

Power Supply Controllers, Monitors Overview

The LTC2975IUP is a four-channel digital power system manager manufactured by Analog Devices Inc. It utilizes a PMBus interface to monitor current, power, and energy consumption from intermediate bus converters to load point (POL) stages. The device provides real-time data on input and output parameters, enabling comprehensive software-based monitoring and control for FPGA, ASIC, and DSP boards. It supports detailed energy tracking in joules and runtime information, facilitating long-term efficiency analysis and thermal management optimization.

Power Supply Controllers, Monitors Feature Summary

• Provides digital measurement of voltage, current, and power across four independent channels
• Enables precise energy consumption tracking and runtime calculation via PMBus interface
• Supports comprehensive system-level monitoring for optimizing board power efficiency

Power Supply Controllers, Monitors Applications

• Monitoring power systems on FPGA development boards
• Managing power delivery for ASIC implementations
• Tracking energy usage in DSP circuit designs

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm temperature range and packaging details. Ensure compatibility with LTpowerPlay software for configuration. Confirm that the package type matches the target PCB footprint requirements before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component when multi-channel digital monitoring is required for high-reliability systems. It is suitable for applications needing granular energy accounting and remote control capabilities. Consider the PMBus interface availability on the host controller as a prerequisite for full functionality.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC297x family of power system managers, which includes variants like the LTC2972, LTC2974, and LTC2977. These devices are designed to replace traditional analog monitoring solutions with flexible digital alternatives, offering scalable channel counts for various power architecture complexities.

Power Supply Controllers, Monitors Replacement Considerations

Direct substitutes within the same family include the LTC2974 and LTC2977, depending on the required channel count. Verify pinout compatibility and software register mapping when transitioning between different channel configurations.