TPS23881ARTQR

Overview

The TPS23881ARTQR is an 8-channel Power Sourcing Equipment (PSE) controller compliant with IEEE 802.3bt Type-4 standards, supporting up to 90 W output power per port. It features a maximum on-resistance of 200 mOhms and a current limit of 75 mA. Operating at a supply voltage of 3.3 V with a quiescent current of 6 mA, the device functions within a temperature range of -40°C to +125°C. Packaged in a VQFN-56 format for surface mount installation.

Feature Summary

• Supports high-power 4-pair Type-4 PoE applications via integrated 8-channel architecture
• Includes low on-resistance switches to minimize power loss and thermal generation
• Complies with IEEE 802.3bt standards for advanced power delivery classification

Applications

• High-power wireless access points requiring Type-4 power budgets
• Industrial IoT gateways demanding robust power sourcing capabilities
• Network infrastructure equipment utilizing multi-pair power distribution

Procurement Notes

Verify component authenticity through authorized Texas Instruments channels or certified distributors. Confirm package integrity and moisture sensitivity levels prior to assembly. Ensure ordering suffixes match specific tape-and-reel requirements. Cross-reference datasheet revisions to validate electrical parameters against current design specifications.

Selection Notes

Select this component for designs requiring 802.3bt Type-4 compliance and high channel density. The VQFN-56 package suits space-constrained layouts. Evaluate thermal management needs due to 90 W per-port capability. Ensure system architecture supports the 3.3 V control logic interface and required protection features.

Part Context

Part of the TPS2388x series focusing on high-power Ethernet switching solutions. Designed for network infrastructure where significant power delivery over twisted pair cables is essential. Complements other PSE controllers by offering increased channel count and higher power classification support.

Replacement Considerations

TPS23881ARTQT serves as a qualified alternative within the same family.