SI34071-A01-GM

Overview

The SI34071-A01-GM 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 extended temperature range from -40°C to +85°C. The device features a maximum duty cycle of 75% and includes a current limit of 10.5 mA. Packaged in a QFN-32 surface-mount format, it integrates high-efficiency DC-DC conversion capabilities for PoE Powered Device interfaces.

Feature Summary

• Supports IEEE 802.3bt Type 3 and Type 4 standards for high-power PoE applications
• Integrates a high-efficiency DC-DC converter for powered device interface management
• Operates with a wide input voltage range suitable for various PoE infrastructure environments

Applications

• High-power PoE Powered Device implementations
• Network infrastructure requiring 802.3bt compliance
• PoE LAN interface systems

Procurement Notes

Verify the specific ordering suffix and manufacturer part number against official Skyworks documentation to ensure correct variant selection. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly. Check for any available evaluation kits such as the Si34071WA5V8KIT for design validation. Ensure all procurement channels provide valid datasheets and quality certifications.

Selection Notes

Select this component when designing systems requiring support for IEEE 802.3bt Type 3 or Type 4 power levels up to 71W. Consider the QFN-32 package for surface-mount assembly constraints. Evaluate the operating voltage range and thermal performance against system requirements. Verify compatibility with required PoE standards and interface specifications before finalizing the bill of materials.

Part Context

This part belongs to the SI34071 series of power switch ICs focused on PoE and LAN applications. It serves as a specialized solution for managing power delivery in modern networked devices. The series supports advanced power standards beyond traditional PoE limits, enabling higher bandwidth and functionality in connected endpoints.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.