SI3453D-B02-GMR

Description：IC POE CNTRL 4 CHANNEL 40QFN
Series：-
Mfr：Skyworks Solutions Inc.
Package：Tape & Reel (TR)

SKU:92eea65171a0 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：Tape & Reel (TR)
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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SI3453D-B02-GMR

Overview

The SI3453D-B02-GMR is a Power over Ethernet (PoE) Powered Device (PD) interface integrated circuit from Skyworks Solutions. It supports IEEE 802.3af standards and integrates a DC-DC converter for up to 13W power delivery. The device operates within a supply voltage range of 2.8V to 57V, featuring a maximum current limit of 680mA and an on-resistance of 1.3 Ohms. It functions across temperatures from -40°C to +85°C in a QFN-20 package.

Feature Summary

Integrates PoE PD interface with built-in DC-DC conversion
Complies with IEEE 802.3af Powered Device standards
Supports high-power applications up to 13W output

Applications

IEEE 802.3af Powered Device implementations
LAN interface circuits requiring integrated power management
Network equipment utilizing PoE power sourcing

Procurement Notes

Verify the specific suffix 'B02' against the manufacturer's official datasheet to ensure correct pinout and functional configuration. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly. Ensure the QFN-20 thermal pad connection meets PCB layout guidelines for optimal heat dissipation during operation.

Selection Notes

Select this component when designing systems requiring an integrated PoE PD solution that combines interface logic with power regulation. It is suitable for applications needing support for up to 13W power loads while maintaining compatibility with standard LAN infrastructure. Consider the operating voltage range and thermal performance in the final enclosure design.

Part Context

This part belongs to the Si3402 series of Power Switch ICs designed for PoE and LAN applications. It serves as a specialized interface controller that simplifies the integration of powered network devices by combining switching and conversion capabilities in a single compact package.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference options directly through Skyworks Solutions technical support or authorized distributor catalogs.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.