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Reference Designs - PoE PDs

Skyworks' IEEE-compliant PoE powered devices (PD device) simplify design, reduce BOM and speed time to market for industrial and communications applications.

● 18 complete PoE PD EVB reference designs
● IEEE PoE compliant input with Sifos test report
● High efficiency, EMI compliant dc-dc converter
● Multiple power and voltage combinations
● Isolated and non-isolated designs

● Compact, 4-layer PCB design
● Each EVB user guide includes:
○ EMI test report
○ Sifos IEEE compliance report
○ Details on dc-dc converter efficiency and performance
○ Schematics, BOM, and PCB layout

Available PoE PD Reference Designs

 

PoE PD IC Isolation Output Voltage Input Power* / PoE Class Topology Peak Efficiency** EVB OPN
Si34071 Isolated 24 V 62 W / Class 7
51 W / Class 6
40 W / Class 5		 Forward 89.7% Si34071FW24V7KIT
Si34071 Isolated 12 V 71.3 W / Class 8
62 W / Class 7
51 W / Class 6
40 W / Class 5		 Forward 91.2% Si34071AC12V8KIT
Si34071 Isolated 5 V 71.3 W / Class 8
62 W / Class 7
51 W / Class 6
40 W / Class 5		 Forward 91.2% Si34071AC5V8KIT
Si34062 Isolated 3.3 V + 5 V 6.49 W / Class 2 Flyback 3.3V: 85.1%, 5V: 86.2% Si34062ISOC2KIT
Si34061 Isolated 5 V 25.5 W / Class 4 Flyback 89.1% Si34061FB5VC4KIT
Si34061 Isolated 12 V 25.5 W / Class 4 Flyback 89.8% Si34061FB12V4KIT
Si3406 Non-Isolated 5 V default
(3.3, 12, 24 V BOM options)		 6.49 W / Class 2 Buck 78.0% Si3406B5V2KIT
Si3406 Isolated 5 V 6.49 W / Class 2 Flyback 82.0% Si3406FB5V2KIT
Si3406 Isolated 12 V 6.49 W / Class 2 Flyback 84.0% Si3406FB12V2KIT
Si3406 Isolated 3.3 V 6.49 W / Class 2 Flyback 79.3% Si3406FB3V2KIT
Si3406 Non-Isolated 5 V 6.4 9W / Class 2 Flyback 83.7% Si3406FBC2KIT
Si3406 Non-Isolated 5 V 12.95 W / Class 3 Flyback 83.5% Si3406FBC3KIT
Si3404 Non-Isolated 3.3 V 6.49 W / Class 2 Buck 71.2% Si3404B3V2KIT
Si3404 Non-Isolated 5 V 6.49 W / Class 2 Buck 77.7% Si3404B5V2KIT
Si3404 Non-Isolated 12 V 12.95 W / Class 3 Buck 85.9% Si3404B12V3KIT
Si3404 Non-Isolated 24 V 12.95 W / Class 3 Buck 89.3% Si3404B24V3KIT
Si3404 Isolated 5 V 12.95 W / Class 3 Flyback 83.1% Si3404FB5V3KIT
Si3404 Isolated 12 V 12.95 W / Class 3 Flyback 85.3% Si3404FB12V3KIT
Si3404 Isolated 3.3 V 12.95 W / Class 3 Flyback 80.7% Si3404FB3V3KIT

More information on Skyworks’ PoE devices can be found here.
* Input Power: Minimum delivered power with 100 meter cable per IEEE specifications. For example, nominal 30 W class 4 at PSE is required to be 25.5 W after 100 meters at PD.
** Peak Efficiency: 50V Input, End-to-End

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