TPS23880RTQT

Overview

The TPS23880RTQT is an IEEE 802.3bt-compliant, Type-4 Power-over-Ethernet (PoE) Powered Device (PD) controller manufactured by Texas Instruments. It integrates eight independent channels within a single QFN-56 package, supporting up to 90W of total power delivery. The device features programmable SRAM for flexible configuration and includes built-in protection mechanisms such as overvoltage, overcurrent, and thermal shutdown. Operating across a temperature range of -40°C to +125°C, it ensures reliable performance in demanding industrial environments.

Feature Summary

• Supports IEEE 802.3bt Type-4 classification with eight independent PoE channels
• Integrates programmable SRAM for customizable operational parameters
• Includes comprehensive protection against overvoltage, overcurrent, and thermal events

Applications

• High-power industrial IoT gateways requiring robust PoE connectivity
• Outdoor wireless access points needing extended power budgets
• Smart building infrastructure controllers with multiple sensor interfaces

Procurement Notes

Verify the specific suffix RTQT to confirm cut-tape packaging versus reel options. Ensure compatibility with your PCB footprint for the QFN-56 package. Check for moisture sensitivity level requirements during storage and handling. Confirm RoHS compliance status if required by your manufacturing standards. Validate that the operating temperature range meets your environmental specifications.

Selection Notes

Choose this component when high channel density and Type-4 power levels are necessary. Consider the programmable SRAM feature if system flexibility is critical. Evaluate the QFN-56 package size against available board space. Compare thermal dissipation capabilities with your heat sink design. Ensure the control interface matches your microcontroller or processor capabilities.

Part Context

This part belongs to the TPS2388x family of PoE controllers designed for high-channel-count applications. It complements other Texas Instruments solutions like the TPS2372-4 for complete end-to-end PoE systems. The device addresses the growing demand for higher power delivery in networked devices. It serves as a key component in modernizing legacy Ethernet infrastructure.

Replacement Considerations

The TPS23880RTQR is a direct alternative differing primarily in packaging format. Verify pinout compatibility before substitution. Ensure both parts meet the same IEEE 802.3bt standards. Check for any differences in programming interface requirements.