LTC2921IGN-3.3#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2921IGN-3.3#TRPBF is a five-channel power supply monitor and tracker manufactured by Analog Devices Inc. It operates within a supply voltage range of 2.97V to 3.63V and draws a typical supply current of 2 mA. The device is housed in a 16-lead SSOP package with narrow 0.15-inch spacing. It supports an operating temperature range from -40°C to +85°C. This component functions as a processor supervisor, providing adjustable monitoring capabilities for multiple power rails in embedded systems.

Power Supply Controllers, Monitors Feature Summary

• Integrates five independent power supply monitoring channels for comprehensive system supervision
• Functions as a power supply tracker to synchronize voltage rail sequencing during startup and shutdown
• Provides processor reset signals based on monitored voltage thresholds to ensure system stability

Power Supply Controllers, Monitors Applications

• Embedded systems requiring multi-rail power supervision
• Industrial control units needing synchronized power sequencing
• Communication equipment utilizing multiple voltage domains

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the 3.3V designation aligns with your target supply voltage window. Check current availability status as distribution may vary. Ensure the 16-lead SSOP footprint matches your PCB layout requirements before finalizing procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component when five distinct voltage rails require simultaneous monitoring and tracking. The fixed 3.3V nominal rating suits applications where the main supply operates near this potential. Consider the 2 mA supply current for low-power budget constraints. Verify that the SSOP package fits within the available board space constraints.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2921 series of power management ICs designed for supervising complex multi-voltage systems. It complements other Analog Devices supervisors by offering integrated tracking functionality alongside standard monitoring features. The series targets applications requiring precise voltage sequencing and fault detection across multiple power domains.

Power Supply Controllers, Monitors FAQ

What is the operating supply voltage range?

The device operates within a supply voltage range of 2.97V to 3.63V.

How many monitoring channels are included?

The LTC2921 includes five independent power supply monitoring channels.