SI3452A-B02-GM

Overview

The SI3452A-B02-GM is a Power Sourcing Equipment (PSE) port controller manufactured by Skyworks Solutions Inc. It supports IEEE 802.3af and 802.3at standards for Ethernet over Power applications. The device integrates a hot-swap voltage controller to manage power delivery safely. It operates within a supply voltage range of 45V to 57V and includes internal switches for channel control. The component is housed in a 40-VFQFN package with exposed pad, suitable for surface mount installation.

Feature Summary

• Integrates hot-swap voltage controller functionality for safe power application
• Supports IEEE 802.3af and 802.3at PoE standards
• Includes internal switches for channel management

Applications

• Ethernet over Power (PoE) port controllers
• Power sourcing equipment design
• Network infrastructure power distribution

Procurement Notes

Verify the specific suffix 'B02' against official Skyworks documentation to confirm pinout and functional compatibility. Check current lifecycle status as older revisions may be discontinued. Ensure the 40-QFN package matches your PCB footprint requirements before procurement.

Selection Notes

Select this component for designs requiring integrated PSE control with hot-swap capabilities. Confirm that the 45V-57V operating range aligns with your system's power bus. Verify thermal performance requirements for the QFN package in your specific enclosure environment.

Part Context

This part belongs to the SI3452 family of PoE controllers from Skyworks. It is designed to work alongside companion devices like the SI3480 for multi-port systems. The family provides standardized solutions for compliant Ethernet power delivery.

Replacement Considerations

Public confirmed substitute: SI3452-B01-GMR.