LTC2945IMS-1#PBF

Power Supply Controllers, Monitors Overview

The LTC2945IMS-1#PBF is a rail-to-rail system monitor manufactured by Analog Devices Inc. It measures current, voltage, and power with an operating range of 2.7V to 80V. The device features a shunt regulator for supplies above 80V, allowing flexibility in input supply selection. It utilizes an I2C interface for communication and is housed in a 12-pin MSOP package.

Power Supply Controllers, Monitors Feature Summary

• Measures current, voltage, and power simultaneously
• Includes integrated shunt regulator for high-voltage inputs
• Operates within a wide voltage range up to 80V

Power Supply Controllers, Monitors Applications

• -48V system power monitoring
• Wide range dual supply monitoring
• Harsh environment power monitoring with transient tolerance

Power Supply Controllers, Monitors Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to ensure correct package and temperature grade. Confirm availability status as distribution channels may indicate limited stock or special order requirements. Cross-reference datasheet revisions to confirm electrical characteristics match design specifications before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component when precise measurement of current, voltage, and power is required in systems with input voltages up to 80V. The integrated shunt regulator enables operation with higher voltage supplies without external level shifting. Ensure the I2C interface compatibility matches the host controller's digital bus requirements.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2945 series of rail-to-rail system monitors. These devices are designed for comprehensive power management applications requiring accurate energy and power calculations. The series supports various packaging options to fit different board space constraints while maintaining high accuracy across the operating temperature range.

Power Supply Controllers, Monitors Replacement Considerations

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