SI34061-A-GM

Overview

The SI34061-A-GM is a Power Over Ethernet (PoE) PD controller and high-efficiency DC-DC converter designed for IEEE 802.3at Type 2 applications. It integrates a power switch IC with a flyback converter, supporting input voltages up to 57V. The device features a 24-pin QFN EP package, enabling compact designs for powered devices requiring efficient power management and compliance with PoE standards.

Feature Summary

• Integrates IEEE 802.3at Type 2 PD interface with high-efficiency DC-DC converter
• Supports non-isolated flyback topology for power conversion
• Designed for compact Power Over Ethernet powered device implementations

Applications

• IEEE 802.3at Type 2 Powered Devices
• Power Over Ethernet network endpoints
• Compact PoE-powered equipment design

Procurement Notes

Verify the specific suffix 'A' against official Skyworks documentation to confirm pinout and electrical characteristics match your design requirements. Ensure the 24-pin QFN EP package footprint aligns with your PCB layout guidelines. Cross-reference the datasheet revision date to ensure compatibility with current manufacturing standards.

Selection Notes

Select this component for applications requiring integrated PoE classification and power conversion in a single package. It is suitable for designs adhering to IEEE 802.3at Type 2 specifications where space efficiency is critical. Confirm that the non-isolated flyback architecture meets the isolation requirements of your target application environment.

Part Context

Part of the Si3406x family of PoE controllers from Skyworks Solutions. This series provides integrated solutions for powering network devices over Ethernet cables, combining classification logic with power conversion stages to simplify system design and reduce component count.

Replacement Considerations

Check Skyworks documentation for direct replacements within the Si3406x family. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution.