SI3459-C05-IM

Overview

The SI3459-C05-IM is an eight-channel Power Sourcing Equipment (PSE) controller manufactured by Skyworks Solutions Inc. It complies with IEEE 802.3at standards for Power over Ethernet applications. The device integrates internal switches and supports a supply voltage range of 45V to 57V. It operates within a temperature range of -40°C to +85°C and utilizes a 56-VFQFN package.

Feature Summary

• Integrates eight independent channels for PoE power sourcing
• Complies with IEEE 802.3at Power over Ethernet standards
• Includes internal power switches for direct port connection

Applications

• IEEE 802.3at compliant network infrastructure equipment
• Multi-port Power Sourcing Equipment designs
• Enterprise switch power management systems

Procurement Notes

Verify the specific suffix IM against the manufacturer datasheet to confirm package type and tape/reel specifications. Confirm that the component meets current design requirements as availability status may vary. Ensure compatibility with existing system voltage levels before integration.

Selection Notes

Select this controller for applications requiring multiple PoE ports within a compact footprint. Consider the 56-VFEN package constraints during PCB layout. Verify thermal performance under maximum load conditions across the specified operating temperature range.

Part Context

This component belongs to the Skyworks Si3459 family of PoE controllers. It serves as a specialized integrated circuit for managing power delivery in high-density Ethernet networks. The part is designed to simplify the implementation of compliant PSE solutions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for potential alternatives if this specific variant is unavailable.