LTC2955ITS8-1#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2955ITS8-1#TRPBF is a micro-power push-button on/off controller manufactured by Analog Devices Inc. It manages system power by generating a clean enable output from a supply monitor input and a debounced push-button input. The device features an interrupt output to notify the system of button or low-power events. It supports a wide power input range of 1.5V to 36V and includes robust ESD protection on the button input. The part operates within a temperature range of -40°C to +85°C and is housed in an SOT-23-8 package.

Power Supply Controllers, Monitors Feature Summary

• Generates a clean enable output for system power management using push-button and supply monitor inputs
• Provides an open-drain interrupt output to signal button presses or low-power conditions
• Features high-voltage tolerance and ESD protection on the push-button input pin

Power Supply Controllers, Monitors Applications

• Battery-powered systems requiring extended run time via low quiescent current
• Embedded systems needing reliable manual on/off control with automatic turn-on capabilities
• Industrial equipment utilizing push-button interfaces for power state management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing. Confirm the -1 variant corresponds to the active-high enable output required by your regulator's shutdown pin logic. Ensure the SOT-23-8 footprint matches your PCB design constraints. Check for any RoHS compliance documentation if required by your manufacturing standards.

Power Supply Controllers, Monitors Selection Notes

Select this component when a micro-power solution is needed for managing system power states via a mechanical switch. The active-high enable output makes it suitable for regulators that require a high signal to activate. Consider the wide input voltage range if operating in environments with varying supply levels. The integrated debounce functionality reduces the need for external components, simplifying the design.

Power Supply Controllers, Monitors Part Context

This component belongs to the LTC2955 family of push-button controllers designed for low-power applications. It is distinct from voltage supervisors like the LTC2905 or power monitors like the LTC2945. The family focuses on user interface interaction for power management rather than precise voltage monitoring or current sensing.

Power Supply Controllers, Monitors FAQ

What is the function of the INT pin?

The INT pin is an open-drain interrupt output that asserts low to notify the system of a button press or a low-power event.

How does the device handle button debouncing?

The LTC2955 internally debounces the push-button input, eliminating the need for external capacitors or resistors for this purpose.