LTC2945IMS-1#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2945IMS-1#TRPBF is a rail-to-rail system monitor manufactured by Analog Devices Inc., designed for precise measurement of current, voltage, and power. It operates within an input voltage range of 2.7V to 80V and features an integrated shunt regulator for supplies exceeding 80V, allowing flexible input selection. The device utilizes an I2C interface for communication and is housed in a 12-pin MSOP package with exposed pad. It supports high-side sensing and includes programmable thresholds for monitoring applications.

Power Supply Controllers, Monitors Feature Summary

• Measures current, voltage, and power simultaneously using a single component
• Features an integrated shunt regulator to handle input voltages above 80V
• Supports high-side current sensing configurations
• Communicates via standard I2C interface

Power Supply Controllers, Monitors Applications

• -48V system power monitoring
• Automotive power supply supervision
• Industrial equipment power management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the -1 variant designation matches the required threshold configuration for your design. Ensure compatibility with the 12-pin MSOP footprint during PCB layout review. Check manufacturer documentation for any recent product change notices affecting this specific part number.

Power Supply Controllers, Monitors Selection Notes

Select this component when simultaneous multi-parameter monitoring is required in space-constrained designs. The wide operating voltage range suits systems with significant input variations. The integrated shunt regulator simplifies biasing for high-voltage inputs. Verify that the I2C address and register map align with the host controller's capabilities.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2945 series of power monitors from Analog Devices. It shares core functionality with variants like the LTC2945IUD-1#PBF but differs in package type (MSOP vs QFN) and shipping format (Tape & Reel vs Tube). The series is characterized by its ability to monitor rail-to-rail systems with high accuracy.

Power Supply Controllers, Monitors Replacement Considerations

The LTC2945IMS#TRPBF is a non-suffixed variant within the same family. Cross-reference pinouts and electrical specifications before substitution. Ensure the alternative package matches the existing board footprint or requires redesign.