TPS23881RTQT

Overview

The TPS23881RTQT is an eight-channel Power Sourcing Equipment (PSE) controller compliant with IEEE 802.3bt Type 4 standards. It supports four-pair power delivery with a maximum output power of 90 W per port. The device operates from a 3.3 V supply and features a current limit of 75 mA. It utilizes a VQFN-56 package suitable for surface mount technology. The component functions within a temperature range of -40°C to +125°C, ensuring reliability in demanding environments.

Feature Summary

• Supports IEEE 802.3bt Type 4 four-pair PoE standards for high-power applications
• Integrates eight independent channels for multi-port switch designs
• Includes programmable SRAM for flexible configuration management

Applications

• High-density Ethernet switches requiring Type 4 power budgets
• Wireless access points supporting Wi-Fi 6E/7 standards
• Outdoor network infrastructure equipment

Procurement Notes

Verify the specific suffix RTQT against official Texas Instruments documentation to confirm the reel packaging format. Ensure compatibility with your PCB footprint for the VQFN-56 package. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Cross-reference the datasheet revision date to ensure all electrical characteristics match your design requirements.

Selection Notes

Select this component when designing systems requiring up to 90 W per port under IEEE 802.3bt standards. It is suitable for applications needing eight isolated power channels. Consider thermal management solutions due to high power density. Verify that the control interface meets your system's microcontroller or processor capabilities.

Part Context

This part belongs to the TPS23881 family of PoE PSE controllers. It complements other variants like the TPS23880 by offering specific packaging and configuration options. The series is designed for enterprise-grade networking hardware. It integrates advanced protection features typical of modern PoE sourcing equipment.

Replacement Considerations

Check for TPS23881RTQR as a potential alternative with different packaging. Verify functional equivalence with TPS23880 series devices if pinout compatibility is required. Consult official substitution guides for any minor parameter variations.