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Product Detailed Parameters
- Description：IC POE CNTRL 4 CHANNEL 38QFN
- Series：-
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR)
- Type：Controller (PSE), DC/DC
- Number of Channels：4
- Power - Max：-
- Internal Switch(s)：No
- Auxiliary Sense：No
- Standards：802.3at (PoE+), 802.3af (PoE)
- Voltage - Supply：44V ~ 57V
- Current - Supply：2mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：38-VFQFN Exposed Pad
- Supplier Device Package：38-QFN (5x7)
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Overview
The SI3454-B01-IMR is a Power Over Ethernet (PoE) controller manufactured by Skyworks Solutions, Inc. It functions as an IEEE 802.3at-compliant four-port PoE+ Powered Device (PD) controller. The device integrates power management logic for Class 4 applications, supporting up to 30W of power delivery per port. It operates within a specified voltage range and includes features for port detection, classification, and power sourcing equipment negotiation. The component is designed for surface-mount installation in LAN infrastructure.
Feature Summary
- Supports IEEE 802.3at PoE+ standards for four-port configurations
- Integrates Class 4 power management capabilities
- Includes built-in port detection and classification logic
- Facilitates negotiation with Power Sourcing Equipment
Applications
- Four-port PoE+ Powered Devices
- LAN infrastructure controllers
- Class 4 power management systems
- Network interface hardware
Procurement Notes
Verify the specific suffix 'IMR' against official Skyworks documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing design constraints before procurement. Check current lifecycle status as legacy components may have limited availability or require alternative sourcing strategies.
Selection Notes
Select this component for designs requiring integrated four-port PoE+ PD control compliant with IEEE 802.3at. Consider thermal performance and PCB layout requirements associated with Class 4 power handling. Verify that the operating temperature range meets system environmental specifications.
Part Context
This part belongs to the Skyworks SI3454 family of PoE controllers. It is distinct from PSE controllers like the SI3453 series. The family focuses on powered device implementation, providing a complete solution for managing power intake and distribution in network endpoints.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult manufacturer obsolescence notices for potential alternatives.
