SI3404-A-GMR

I.Overview of SI3404-A-GMR

The SI3404-A-GMR is a high-performance Power over Ethernet (PoE) Powered Device (PD) controller with integrated DC/DC converter functionality, developed by Skyworks Solutions Inc. This device utilizes a compact 20-QFN (4x4mm) package, fully complies with the IEEE 802.3at (PoE+) standard, and supports output power up to 15.4W. Its wide operating voltage range from 1.5V to 57V and industrial temperature specifications make it an ideal power solution for various PoE-powered devices.

II.SI3404-A-GMR Parameter

Category:Integrated Circuits (ICs);Power Management (PMIC);Power Over Ethernet (PoE) Controllers

Manufacturer:Skyworks Solutions Inc.

Packaging:Tape & Reel (TR);Cut Tape (CT);Digi-Reel®

Part Status:Active

Type:Controller (PD), DC/DC

Number of Channels:1

Power - Max:15.4 W

Standards:802.3at (PoE)

Voltage - Supply:1.5V ~ 57V

Operating Temperature:-40°C ~ 85°C

Mounting Type:Surface Mount

Package / Case:20-VFQFN Exposed Pad

Supplier Device Package:20-QFN (4x4)

Base Product Number:SI3404

III.SI3404-A-GMR Main Characteristics

Complete PoE Solution:Integrated PD controller and DC/DC converter;Compliant with IEEE 802.3at PoE+ standard;Supports high power output of 15.4W

Wide Voltage Operating Range:Wide input voltage range from 1.5V to 57V;Adapts to various power supply environments;Excellent power supply adaptability

High Integration Design:Single-chip integration of PD interface and power conversion;Reduces number of external components;Simplifies system design

Industrial-Grade Reliability:Operating temperature range from -40°C to 85°C;Compact QFN package;Excellent thermal performance

IV.SI3404-A-GMR Application 

Network Communication Equipment:IP phones and video conference systems;Wireless Access Points (AP);Network cameras and security equipment

Industrial IoT Devices:Industrial sensors and controllers;Data acquisition terminals;Fieldbus devices

Commercial Electronic Products:Smart information displays;Digital signage systems;Smart building control equipment

V.Conclusion

The SI3404-A-GMR is a high-performance, highly integrated PoE Powered Device controller. Its complete PoE solution, wide voltage operating range, and industrial-grade reliability provide an excellent power management solution for various network-powered devices. This device is particularly suitable for PoE power applications requiring high reliability and small size, making it an ideal choice for modern network equipment power design.