LTC2945HUD#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2945HUD#TRPBF is a rail-to-rail system monitor from Analog Devices designed to measure current, voltage, and power. It features an operating range of 2.7V to 80V and includes an integrated shunt regulator for supplies exceeding 80V, allowing flexibility in input supply selection. The device incorporates an on-board ADC and I2C interface for data communication.

Power Supply Controllers, Monitors Feature Summary

• Rail-to-rail system monitoring capability for measuring current, voltage, and power
• Integrated shunt regulator enables operation with input supplies above 80V
• On-board analog-to-digital converter (ADC) facilitates precise measurement

Power Supply Controllers, Monitors Applications

• Power monitoring in -48V systems using low side sensing
• Wide range dual supply monitoring
• Power monitoring in harsh environments utilizing INTVCC shunt regulator to tolerate transients

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the component is the HUD grade variant suitable for extended temperature ranges. Ensure the design accounts for the 80V operating limit and utilizes the internal shunt regulator for higher voltage inputs as documented in reference designs.

Power Supply Controllers, Monitors Selection Notes

Select this part for applications requiring comprehensive monitoring of current, voltage, and power within a wide input range. The inclusion of an on-board ADC and I2C interface supports digital integration. Consider the HUD grade for environmental robustness and verify compatibility with the intended sensing configuration, such as low-side sensing in negative voltage systems.

Power Supply Controllers, Monitors Part Context

The LTC2945 series comprises rail-to-rail system monitors capable of measuring electrical parameters. The HUD variant is designed for broader operational conditions. These devices are categorized under power supply controllers and monitors, providing integrated solutions for system health assessment without requiring external processing components for basic measurements.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.