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Overview
| Topology | LAN / POE |
| Input voltage | 41.1-57 V |
| Output 1 | 5 V / 14 A |
| IC revision | 0.4 |
Description
The Si34071 5 V Class 8 evaluation kit demonstrates a complete 71 W IEEE 802.3bt Power over Ethernet Powered Device system using our Si34071 PoE PD device. A single Si34071 manages the PoE interface and dc-dc conversion. The isolated forward converter outputs up to 14.2 A at 5 V for a total power of 71 W while using a small EPD13 size transformer. The Sifos IEEE compliance report, schematics, and layout are all found in the User’s Guide.
Features
- Included devices:-Si34071-GM
- 71 W, isolated forward converter-5 V, 14.2 A output-Up to 91.2 % end-to-end efficiency-Small, EPD13 size transformer
- Second RJ45 jack to pass through Ethernet
Typical applications
- Powered Device system
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | C | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Winding Style | Number of windings | L1 (µH) | IR (mA) | RDC max. (Ω) | VR (V) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (AC)) | Mount | L (µH) | LSmin. (nH) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74404054102 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQS SMT Power Inductor | 0.2 | 0.24 | 6000 | 1.9 | – | – | -40 °C up to +125 °C | – | – | – | – | – | 5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +125 °C | – | SMT | 1000 | – | ||
 | 742792118 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | 1.5 | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | 3.2 | – | 600 | 650 | 80 MHz | 2500 | 0.07 | High Current | – | 1 | – | 2500 | 0.07 | – | – | – | – | – | -55 °C up to +125 °C | – | SMT | – | – | ||
 | 744272251 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-SL5 SMT Common Mode Line Filter | 2 | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | 10 | – | – | 970 | – | – | 0.035 | – | sectional | 2 | 250 | 2000 | 0.035 | 80 | – | – | – | – | – | 1000 | SMT | 250 | 1500 | ||
 | 870025175010 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-PTG5 Aluminum Polymer Capacitors | – | – | – | – | 1000 µF | 2000 | -55 °C up to +105 °C | 5900 | 630 | 10 | 5 | 10 | 12.5 | Ammopack | – | – | – | – | – | – | – | – | – | – | – | 6.3 | – | – | – | – | – | – | Radial THT | – | – | ||
 | 7490220122 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LAN LAN Transformer | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | 1.27 | – | 17.55 | – | – | – | – | – | – | 4PPoE (to 900 mA) | – | – | 350 | – | – | – | 10/100/1000BASE-T | 1 | 4PPoE (up to 1000 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74404054102 | SPEC | |
| 742792118 | SPEC | |
| 744272251 | SPEC | |
| 870025175010 | SPEC | |
| 7490220122 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | C | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Winding Style | Number of windings | L1 (µH) | IR (mA) | RDC max. (Ω) | VR (V) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (AC)) | Mount | L (µH) | LSmin. (nH) | Samples |
|---|