LTC2954CTS8-1#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2954CTS8-1#TRPBF is a pushbutton on/off controller manufactured by Analog Devices Inc. It operates within a supply voltage range of 2.7V to 26.4V and consumes a typical supply current of 6 µA. The device is housed in an 8-pin TSOT-23 package with a junction temperature operating range from -40°C to +85°C. It features an enable output for switching system power and an interrupt output that provides debounced button status, suitable for menu-driven applications requesting system shutdown.

Power Supply Controllers, Monitors Feature Summary

• Manages system power states through a dedicated pushbutton interface
• Provides debounced button status via an interrupt output for menu-driven control
• Enables direct switching of system power through the enable output

Power Supply Controllers, Monitors Applications

• Menu-driven embedded systems requiring controlled shutdown sequences
• Portable devices utilizing pushbutton power management interfaces
• Battery-operated equipment needing low-power standby states

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix CTS8-1 against official Analog Devices documentation to confirm the commercial temperature grade and TSOT-23-8 packaging variant. Ensure compatibility with the target board's thermal constraints and voltage levels before integration. Cross-reference the datasheet revision date to validate all electrical specifications and pinout configurations.

Power Supply Controllers, Monitors Selection Notes

Select this component when a compact solution for pushbutton-controlled power sequencing is required. The 6 µA supply current supports battery-powered designs effectively. Verify that the 2.7V minimum operating voltage aligns with the system's rail characteristics. The TSOT-23-8 package offers a small footprint suitable for space-constrained layouts.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2954 family of power controllers designed specifically for managing system power via user input. It integrates logic for debouncing and state detection, eliminating the need for external microcontroller intervention for basic power on/off functions. The series includes variants with different packages and temperature ratings.

Power Supply Controllers, Monitors FAQ

What is the function of the interrupt output?

The interrupt output provides a debounced signal reflecting the current state of the pushbutton, which can be used to trigger actions in a host processor.

Does the LTC2954 include a watchdog timer?

No, the LTC2954 does not include a built-in watchdog timer; it focuses solely on pushbutton on/off control and power enablement.