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SI3404-A-GMR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SI3404-A-GMR product

SI3404-A-GMR

Programmers

PoEPD ControllerSwitching RegulatorIEEE 802.3at

The Si3404 is a fully-integrated IEEE 802.3 Type 1-compliant PoE PD interface and high-efficiency switching regulator.

Best for

  • VoIP phones
  • Wireless access points
  • IP surveillance cameras

Avoid if

  • High-power Type 2 or Type 3 PoE applications requiring >13W

Check before use

  • Ensure the external resistor for frequency tuning is selected to avoid unwanted harmonics.

Key specifications

PoE Standard
IEEE 802.3at Type 1
Max Input Voltage
120 V
Package
20-QFN (4x4 mm)
Operating Temp
-40°C to +85°C

Compliance & Environment

RoHS
Y
REACH
-
MSL
-
ECCN
5A991.b.4.a
HTSUS
8542390001.0

Application

Power over EthernetIndustrial IoT

Datasheet

65360e555b119048f7c082f602c1972f_2108241830_SKYWORKS-SILICON-LABS-SI3404-A-GMR_C461934.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SI3404-A-GMR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The Si3404 is a highly integrated Power-over-Ethernet (PoE) Powered Device (PD) controller that includes a switching regulator, hotswap FET, and transient surge suppressor.