SI3453C-B02-GM

Description：IC POE CNTRL 4 CHANNEL 40QFN
Series：-
Mfr：Skyworks Solutions Inc.
Package：Tray

SKU:ff6162c6fd94 Category: Power Over Ethernet (PoE) Controllers Brand: Skyworks Solutions Inc.

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Product introduction

Product Detailed Parameters

Description：IC POE CNTRL 4 CHANNEL 40QFN
Series：-
Mfr：Skyworks Solutions Inc.
Package：Tray
Type：Controller (PSE)
Number of Channels：4
Power - Max：40 W
Internal Switch(s)：Yes
Auxiliary Sense：No
Standards：802.3at (PoE+), 802.3af (PoE)
Voltage - Supply：45V ~ 57V
Current - Supply：4mA
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：40-VFQFN Exposed Pad
Supplier Device Package：40-QFN (6x6)

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SI3453C-B02-GM

Overview

The SI3453C-B02-GM is a four-channel Power over Ethernet (PoE) controller manufactured by Skyworks Solutions Inc. It supports IEEE 802.3af and 802.3at standards for Powered Device classification and power delivery. The device operates within a supply voltage range of 45V to 57V with a maximum power output of 40W per channel. It features internal switches and is housed in a 40-QFN (6x6 mm) package. The component is rated for an operating temperature range of -40°C to +85°C.

Feature Summary

Supports IEEE 802.3af and 802.3at PoE standards
Integrates four independent channels with internal switches
Provides comprehensive Powered Device classification logic

Applications

High-performance networking equipment
Power management systems for LAN infrastructure
Industrial control units requiring PoE input

Procurement Notes

Verify component status as the SI3453C series may be obsolete or discontinued. Confirm availability through authorized distributors or check for official product change notices. Ensure replacement parts meet identical electrical specifications and pin compatibility requirements before integration into designs.

Selection Notes

Select this controller for applications requiring multi-channel PoE power sourcing. Ensure the design accommodates the 40-QFN package dimensions and thermal requirements. Verify that the system voltage aligns with the 45V to 57V operating range. Consider alternative components if current stock is limited due to end-of-life status.

Part Context

This part belongs to the Skyworks SI3453 family of PoE controllers. It is designed for high-density power distribution in network devices. The manufacturer provides documentation regarding pin configurations and electrical characteristics. Related models include variants with different suffixes indicating packaging or revision differences.