TPS2384PAP

Overview

The TPS2384PAP is a four-port Power Sourcing Equipment (PSE) manager compliant with the IEEE 802.3af standard, designed for Ethernet Powered (PoE) applications. It operates from a single 48V supply and integrates output FETs and current sense resistors to eliminate external components. The device features independent control for each port, supporting automatic, semi-automatic, and power management modes. Key electrical parameters include a maximum on-resistance of 1.8 Ohms per channel, a current limit of 450 mA, and an operating supply voltage of 48 V. It functions within a temperature range of -40°C to +125°C and utilizes a 64-pin HTQFP package.

Feature Summary

• Integrates four independent power switches and current detection resistors to simplify circuit design
• Supports automatic, semi-automatic, and power management operational modes for flexible deployment
• Includes comprehensive protection mechanisms such as over-temperature protection and controlled current ramping

Applications

• IEEE 802.3af compliant PoE midspan injectors
• Power sourcing equipment for network infrastructure
• Multi-port PoE switch designs requiring integrated management

Procurement Notes

Verify the specific suffix designation when ordering, as packaging options may vary between tray and reel configurations. Confirm that the selected variant matches the required thermal performance and interface specifications for the target application. Ensure compliance with moisture sensitivity levels during storage and handling procedures to maintain component integrity prior to assembly.

Selection Notes

Select this component for designs requiring a fully integrated four-channel PoE solution without external switching elements. Consider the 64-pin HTQFP package dimensions for PCB layout constraints. Evaluate the need for I2C programmability if dynamic power management or detailed port monitoring is required for the system architecture.

Part Context

This part belongs to the Texas Instruments TPS2384 family of PoE managers. It serves as a core controller for Type-1 PSE implementations. The device distinguishes itself by combining high-voltage switching capabilities with precise analog-to-digital conversion for real-time port diagnostics and fault management in network environments.

Replacement Considerations

TPS2384PAPRG4 is a verified alternative offering identical functionality with RoHS-compliant manufacturing processes.