SI3453D-B01-GM

Overview

The SI3453D-B01-GM is a four-channel Power over Ethernet (PoE) controller manufactured by Skyworks Solutions Inc. It complies with IEEE 802.3af and 802.3at standards, functioning as a Powered Device (PD) controller. The device integrates internal switches for power delivery across four channels within a 40-QFN package. It operates on a supply voltage range of 45V to 57V with a maximum power handling capability of 40W. The component supports surface mount installation and functions reliably within an operating temperature range of -40°C to +85°C.

Feature Summary

• Supports IEEE 802.3af and 802.3at PoE standards
• Integrates internal switches for four independent channels
• Designed for Powered Device (PD) applications

Applications

• Powered Device controllers in network infrastructure
• Industrial communication equipment requiring PoE
• Wireless access points and IP cameras

Procurement Notes

Verify component status carefully as the SI3453D-B01-GM may be obsolete or discontinued. Confirm availability through authorized distributors only. Check for valid replacement parts such as the TPS2384PAP if current stock is unavailable. Ensure datasheet revisions match design requirements before procurement.

Selection Notes

Select this component for designs requiring multi-channel PoE PD control compliant with 802.3af/at standards. Consider the 40-QFN package constraints and thermal management needs. Verify compatibility with system voltage ranges of 45V-57V. Evaluate alternative parts if obsolescence impacts long-term production viability.

Part Context

This part belongs to the Skyworks SI3453 family of PoE controllers. It serves as a specialized PMIC solution for managing power delivery in Ethernet-based systems. The series provides integrated switching capabilities to simplify board design for powered endpoints in networking environments.

Replacement Considerations

The TPS2384PAP from Texas Instruments is listed as a similar substitute part number.