SI34071-A01-GMR

Overview

The Si34071-A01-GMR is a Power Sourcing Equipment (PSE) controller designed for IEEE 802.3bt Type 3 and Type 4 applications, supporting up to 71W of output power. It operates within a supply voltage range of 1.6V to 57V and functions reliably across an industrial temperature range from -40°C to +85°C. The device integrates a high-efficiency DC-DC converter and is housed in a QFN-32 package suitable for surface-mount installation. It complies with the 802.3bt standard and features a maximum duty cycle of 75%.

Feature Summary

• Supports IEEE 802.3bt Type 3 and Type 4 Powered Device interfaces
• Integrates a high-efficiency DC-DC converter for power management
• Operates within a wide input voltage range of 1.6V to 57V

Applications

• PoE-powered network endpoints
• Wireless access points requiring high power budgets
• IP phones and video conferencing systems
• Security cameras and IoT devices

Procurement Notes

Verify the specific suffix 'GMR' against official Skyworks documentation to confirm reel packaging and moisture sensitivity handling requirements. Ensure compatibility with the intended PCB layout for the QFN-32 package. Cross-reference the exact part number with the manufacturer's current datasheet to validate active status and any recent design changes before finalizing procurement plans.

Selection Notes

Select this component for designs requiring compliance with the latest 802.3bt PoE standards. It is suitable for applications needing efficient power conversion within a compact footprint. Consider the thermal performance of the QFN-32 package relative to the system's heat dissipation capabilities. Verify that the control interface meets the system's communication requirements.

Part Context

This component belongs to the Si34071 series of PoE/PAN controllers from Skyworks Solutions. It is part of a family of integrated solutions designed to simplify the implementation of high-power Ethernet powered devices. The series supports various power classes defined by IEEE standards, enabling versatile deployment in modern networking infrastructure.

Replacement Considerations

Check Skyworks documentation for direct pin-to-pin replacements or updated revisions within the Si34071 family. Evaluate alternative PSE controllers from other manufacturers only if they meet identical 802.3bt specifications and package dimensions.