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Onsemi NCP1081 | Demoboard NCP1081REF12VC4GEVB
Integrated High Power PoE-PD Interface & DC-DC Converter Controller
Overview
| Topology | LAN / POE |
| Output 1 | 12 V |
Description
The NCP1081 is a member of ON Semiconductor’s high power HIPO Power over Ethernet Powered Device (PoE−PD) product family and represents a robust, flexible and highly integrated solution targeting demanding medium and high power Ethernet applications. It combines in a single unit an enhanced PoE−PD interface supporting the IEEE802.3af and the 802.3at standard and a flexible and configurable DC−DC converter controller.
Features
- These are Pb−Free Devices Powered Device Interface
- Supporting the IEEE802.3af and the 802.3at Standard
- Supports IEEE802.3at Two Event Layer 1 Classification
- High Power Layer 1 Classification Indicator
- Extended Power Ranges up to 40 W
- Programmable Classification Current
- Adjustable Under Voltage Lock Out
- Programmable Inrush Current Limit
- Programmable Operational Current Limit up to 1100 mA for Extended Power Ranges -Over−temperature Protection
- Industrial Temperature Range −40°C to 85°C with Full Operation up to 150°C Junction Temperature
- 0.6 Hot−swap Pass−switch with Low Loss Current Sense Technique
- Vertical N−channel DMOS Pass−switch offers the Robustness of Discrete MOSFETs with Integrated Temperature Control
Typical applications
- PoE-PD Converter REF Design
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(mm) | f(mm) | W(mm) | RS(Ω/ square) | Material | ISAT1(A) | ISAT2(A) | RDC max.(mΩ) | fres(MHz) | xPxC | Ports | Shielding | Tab | EMI | Application System | Working Voltage(V (AC)) | Packaging | Pins | Operating Temperature | Color | Gender | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR(mA) | Z @ 1 GHz(Ω) | H(mm) | Type | Version | VIN | VOut1(V) | IOut1(A) | L(µH) | n | VT(V (AC)) | Size | Vaux(V) | RDC 1(mΩ) | RDC 2(mΩ) | RDC 3(mΩ) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MPSB EMI Multilayer Power Suppression Bead, 1.6 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MPSB EMI Multilayer Power Suppression Bead | Length1.6 mm | – | Width0.8 mm | – | – | – | – | DC Resistance5 mΩ | – | – | – | – | – | – | – | – | – | – | Operating Temperature -55 °C up to +125 °C | – | – | Impedance @ 100 MHz8 Ω | Maximum Impedance25 Ω | Maximum Impedance1930 MHz | Rated Current9500 mA | Impedance @ 1 GHz24 Ω | Height0.8 mm | TypeHigh Current | VersionSMT | – | – | – | – | – | – | Size0603 | – | – | – | – | MountSMT | ||||
 | WE-PMCI Power Molded Chip Inductor, 2 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMCI Power Molded Chip Inductor | Length2 mm | – | Width1.6 mm | – | – | Saturation Current 12.8 A | Saturation Current 26.7 A | DC Resistance21 mΩ | Self Resonant Frequency280 MHz | – | – | ShieldingShielded | – | – | – | – | – | Pins2 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | Rated Current6900 mA | – | Height1 mm | – | VersionStandard | – | – | – | Inductance0.24 µH | – | – | Size201610 | – | – | – | – | MountSMT | ||||
 | WR-PHD Jumper, 2.44 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | Length2.44 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Working Voltage250 V (AC) | PackagingBag | Pins1 | Operating Temperature -40 °C up to +125 °C | ColorBlack | GenderJumper | – | – | – | Rated Current3000 mA | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WA-SNSR Self-Retaining Spacer, 4 mm, 3 mm | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNSR Self-Retaining Spacer | Length4 mm | Drilling in Panel3 mm | – | – | MaterialPA66 | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -30 °C up to +85 °C | ColorNatural | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WR-PHD Pin Header - Single, 5.08 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Length5.08 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Working Voltage250 V (AC) | PackagingBag | Pins2 | Operating Temperature -40 °C up to +105 °C | – | GenderPin Header | – | – | – | Rated Current3000 mA | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | |||
 | WE-PoE+ Power over Ethernet Plus Transformer, 23.11 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PoE+ Power over Ethernet Plus Transformer | Length23.11 mm | – | Width29.08 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | Height11.43 mm | – | VersionCCM Flyback | Input Voltage 36 - 72 V (DC) | Output Voltage 112 V | Output Current 12.5 A | Inductance42 µH | Turns Ratio3:1:1 | Insulation Test Voltage1500 V (AC) | SizeEFD20 | Auxiliary Voltage12 V | DC Resistance 161 mΩ | DC Resistance 218 mΩ | DC Resistance 3180 mΩ | MountSMT | |||
 | WE-CF EMC Shielding Tape, 33000 mm, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CF EMC Shielding Tape | Length33000 mm | – | Width8 mm | Surface Resistance0.0005 Ω/ square | MaterialCopper | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -25 °C up to +80 °C | – | – | – | – | – | – | – | Height0.04 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | WR-MJ Cat 3 Modular Jacks – THT, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-MJ Cat 3 Modular Jacks – THT | – | – | – | – | – | – | – | – | – | Number of Pins (xPxC)8P8C | Ports1x1 | ShieldingPlastic | – | EMI FingersNo | Application SystemCAT 3 | Working Voltage120 V (AC) | PackagingTray | – | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | Rated Current1500 mA | – | – | TypeVertical | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | |||
 | WR-MJ Cat 3 Modular Jacks – THT, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-MJ Cat 3 Modular Jacks – THT | – | – | – | – | – | – | – | – | – | Number of Pins (xPxC)8P8C | Ports1x1 | ShieldingShielded | Tab PositionDown | EMI FingersNo | Application SystemCAT 3 | Working Voltage120 V (AC) | PackagingTray | – | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | Rated Current1500 mA | – | – | TypeHorizontal | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT |