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Microchip LAN9355 | Demoboard RD041
Design of a Single Pair Ethernet System with Power over Data Lines (SPoE)
Overview
| Topology | LAN / POE |
| IC revision | 1.6 |
Description
This reference design note describes a system that cantransmit data between two points via a two-wire line. Themain unit supplies the peripheral unit with power via thesame two-wire line over which the data is transmitted. Thismethod is called "Single Pair Ethernet" with "Power over DataLines".
Features
Supports multiple power levels of Power overEthernet Detecting and classifying the PD, sourcing the rightamount of power to the PD PoDL class 12 up to 30 V / 8.3 W USB 3.1 port (no power) 10 / 100 Mbit/s Ethernet port 10 Mbit/s SPE port Data transfer between USB 3.1 and 10 / 100 Mbit/sEthernet Data transfer between USB 3.1 and SPE (10 Mbit/s) Data transfer between SPE (10 Mbit/s) and10 / 100 Mbit/s Ethernet
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | f | Tol. f | Stability (ppm) | Cload (pF) | C | Tol. C | VR (V (DC)) | Size | Q (%) | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | R | Tol. R | PRated (W) | TCR (ppm/ °C) | TCR (ppm/ °C) | VE (V) | H (mm) | Operation Force (g) | Electrical Life (Cycles) | Actuator Color | Washable | Vaporphase process | m (mm) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Channels | Polarity | VCh max. (V) | VBR min. (V) | CCh typ. (pF) | IPeak (A) | VCh Clamp ESD typ. (V) | VESD Contact (kV) | Application | Data rate | PoE | Ports | Tab | Improved CMRR | Operating Temperature | LED | PHY Chip Mode | Mount | Shield Tabs | Pins (pcs) | Rows | Gender | IR (mA) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150060VS75020 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 570 | Bright Green | 572 | 50 | 2 | AlInGaP | 140 | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | – | – | – | – | – | – | 0.25 | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +85 °C | – | – | SMT | – | – | – | – | – | – | ||
| 150060SS75020 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 630 | Super Red | 645 | 70 | 1.9 | AlInGaP | 140 | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | – | – | – | – | – | – | 0.25 | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +85 °C | – | – | SMT | – | – | – | – | – | – | ||
 | 742792031 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0805 | – | – | – | – | 2 | 1.2 | 0.5 | – | – | – | – | – | – | 0.9 | – | – | – | – | – | – | 300 | 350 | 200 MHz | 3000 | 0.05 | High Current | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | SMT | – | – | – | – | 2000 | – | ||
 | 74990112116A | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WE-RJ45 LAN Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 25.4 | 16.1 | – | – | – | – | – | – | – | 13.55 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Standard | 100BASE-TX | non-PoE | 1x1 | Up | No | -40 °C up to +85 °C | green-yellow | current & voltage | THT | Yes | – | – | – | – | – | ||
 | 885012005056 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | 15 pF | ±5% | 50 | 0402 | 700 | – | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.25 | – | – | – | – | – | – | 0.5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | 7" Tape & Reel | ||
| 885012006051 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | 10 pF | ±5% | 50 | 0603 | 600 | – | 10 GΩ | NP0 Class I | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | 7" Tape & Reel | ||
| 885012206026 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | – | – | – | – | 1 µF | ±10% | 10 | 0603 | – | 10 | 0.1 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | 7" Tape & Reel | ||
| 885012206071 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | – | – | – | – | 100 nF | ±10% | 25 | 0603 | – | 3.5 | 5 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | 7" Tape & Reel | ||
| 885012206081 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | 470 pF | ±10% | 50 | 0603 | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | 7" Tape & Reel | ||
| 885012206091 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | 22 nF | ±10% | 50 | 0603 | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | 7" Tape & Reel | ||
| 885012206093 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | 47 nF | ±10% | 50 | 0603 | – | 3 | 10 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | 7" Tape & Reel | ||
| 885012007063 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | 1 nF | ±5% | 50 | 0805 | 1000 | – | 10 GΩ | NP0 Class I | 2 | 1.25 | 0.5 | – | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | 7" Tape & Reel | ||
 | 434153017835 | SPEC | – | 5 files | Active i| Production is active. Expected lifetime: >10 years. | WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | 12 | – | – | – | 100 MΩ | – | – | – | – | – | – | – | – | – | – | 1.7 | 350 | 200000 | Blue | No | not specified | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | 50 | Tape and Reel | |
 | 61300821121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1000 MΩ | – | 10.16 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Straight | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | THT | – | 8 | Dual | Pin Header | 3000 | Bag | |
 | 824014885 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TVS TVS Diode – Super Speed Series | – | – | – | – | 0.9 | – | – | – | – | – | – | – | – | – | DFN3810-9L | – | – | – | – | 3.8 | 1 | – | – | – | – | – | – | – | 0.5 | – | – | – | – | – | – | – | – | – | – | – | – | 8 | Unidirectional | 5 | 6 | 0.5 | 5 | 10.5 | 15 | USB 3.1 Gen1 (5Gb/s), USB 3.1 Type C, Display Port, HDMI 2.0, Ethernet 1Gb/s, Ethernet 10Gb/s | – | – | – | – | – | -55 °C up to +85 °C | – | – | SMT | – | – | – | – | – | – | ||
 | 830055299 | SPEC | 5 files | Active i| Production is active. Expected lifetime: >10 years. | WE-XTAL Quartz Crystal | – | – | – | – | – | – | – | 25 MHz | ±20ppm | 30 | 18 | – | – | – | CFPX-180 | – | – | – | – | 3.2 | 2.5 | – | – | – | – | – | – | – | 0.8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Processor, USB, 3G/4G/5G, Ethernet, Small Cell, PHY, PCI Express | – | – | – | – | – | -40 °C up to +85 °C | – | – | SMT | – | – | – | – | – | – | ||
 | 560112116005 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 10 kΩ | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – | ||
| 560112116009 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 100 Ω | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – | ||
| 560112116014 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 1 kΩ | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – | ||
| 560112116020 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 330 Ω | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – | ||
| 560112116034 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 33 Ω | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – | ||
| 560112116091 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 2 kΩ | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – | ||
| 560112116006 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 4.7 kΩ | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – | ||
| 560112116038 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 1.5 kΩ | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – | ||
| 560112116133 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WRIS-RSKS Thick Film Resistors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0603 | – | – | – | – | 1.6 | 0.8 | – | 49.9 Ω | ±1% | 0.1 | -100 | 100 | 75 | 0.45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +155 °C | – | – | SMT | – | – | – | – | – | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | f | Tol. f | Stability (ppm) | Cload (pF) | C | Tol. C | VR (V (DC)) | Size | Q (%) | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | R | Tol. R | PRated (W) | TCR (ppm/ °C) | TCR (ppm/ °C) | VE (V) | H (mm) | Operation Force (g) | Electrical Life (Cycles) | Actuator Color | Washable | Vaporphase process | m (mm) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Channels | Polarity | VCh max. (V) | VBR min. (V) | CCh typ. (pF) | IPeak (A) | VCh Clamp ESD typ. (V) | VESD Contact (kV) | Application | Data rate | PoE | Ports | Tab | Improved CMRR | Operating Temperature | LED | PHY Chip Mode | Mount | Shield Tabs | Pins (pcs) | Rows | Gender | IR (mA) | Packaging | Samples |
|---|
