SI3452-B02-GM

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

SKU:82e45f3599a3 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：3.7mA
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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SI3452-B02-GM

Overview

The SI3452-B02-GM is a hot-swap voltage controller manufactured by Skyworks Solutions Inc. It belongs to the PMIC - Power Management ICs category and is classified as a Hot Swap Voltage Controller. The device supports an operating supply voltage range of 45V to 57V. It features internal switches for power distribution control. The component is housed in a surface-mount package, specifically identified as a 40-VFQFN with an exposed pad (6x6 mm). It operates within a temperature range of -40°C to +85°C. The part is designated as obsolete and no longer in production.

Feature Summary

Hot-swap voltage controller functionality
Internal switch integration
Surface-mount packaging

Applications

Power distribution systems
Hot-swap circuit protection

Procurement Notes

This component is officially marked as obsolete and no longer in production by Skyworks Solutions Inc. Procurement should focus on verifying the authenticity of remaining stock from authorized distributors or secondary market suppliers. Buyers must confirm the specific lot date code and storage history due to the component's end-of-life status. Replacement planning is recommended given the discontinuation.

Selection Notes

Designers requiring this specific hot-swap controller should evaluate current inventory levels carefully. Since the part is obsolete, alternative sourcing channels may involve limited availability. Engineers should assess the long-term sustainability of using discontinued components for new designs and consider functional equivalents if available.

Part Context

The SI3452 series includes variants such as SI3452-B01-GMR and SI3452-B02-GM. These devices are categorized under Ethernet Power over Ethernet (PoE) controllers in some contexts, often paired with port controllers like the Si3480. The family shares similar hot-swap management capabilities but differs in specific interface configurations and channel counts.