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Quite often we tend to primarily interact with electronic devices in a mobile or stationary state. Security cameras, controlled lighting, intercoms, and badge card entry scanners are all examples of devices that are removed from ample infrastructure but are not mobile. These remote devices need both power and data communication lines. In the last decade, Power Over Ethernet (PoE) has become a system that resolves the need for multiple connections. PoE is system that can safely and effectively transfer both power and data over a standard twisted pair cable within an Ethernet network. This standardized technology increases network device compatibility, ease of device deployment, device life cycle savings, system reliability, and safety.

ON Semiconductor offers a product family that represents a robust, flexible, and highly integrated solution. This IEEE compliant family is a flexible system that can be used as configurable DC-DC converters and controllers. Along with exceptional capabilities that enable applications to smoothly transition from non-PoE to PoE enabled networks, ON Semiconductor has also integrated this device into a shield for use with the modular IoT Development Kit. ON Semiconductor now offers industry leading solutions for all of your mobile, stationary, and remote devices.

 

DIFFERENTIATING FEATURES

  • IEEE 802.3af/.3at compliant for new and existing PoE applications
  • Competitive advantage in: efficiency, thermal dissipation, BOM, and RON
  • Integrated DC-DC converter providing regulation to the application
  • Extended power ranges for current operation (up to 1100 mA)
  • Cable ESD protection for hot swap events (3.0 kV)
  • Non-standard 40W capability with .3at devices

 

The Tools to Help:

  • PoE shield evaluation board for use with IoT development kit
  • Full turn-key power supply design solutions
  • BOM cost calculator
  • Simulation models
  • Design worksheet
  • Layout guidelines

 

 

PoE Shield

 

The Devices to Use:

Product Description Output Power (W) Integrated DC-DC Controller Evaluation Board
NCP1080/82 PoE-PD and DC-DC Converter/Controller 13 Yes NCP1080QBCGEVB
NCP1080FLXGEVB
NCP1081/83 PoE-PD and DC-DC Converter/Controller 40 Yes NCP1081SPCGEVB
NCP1083WIRGEVB
NCP1083QBCGEVB
NCP1090/91/92 High Power PoE-PD Interface Controllerr 25 No NCP1090GEVB
NCP1093/94 High Power PoE-PD Interface Controller 40 No NCP1094GEVB

 

The Devices to Support: MOSFET Selection Guide

PoE Standard Power PoE Bridge Primary FET Clamp FET Sync. FET
5VOUT
Sync. FET
12VOUT
IEEE802.3af ~ 7W FDMQ8203 FDMA86151L N/A FDN537N FDN86501LZ
IEEE802.3af 15W FDMQ8203 FDC86244 N/A FDN537N FDN86501LZ
IEEE802.3at 25.5W FDMQ8205A FDMS86102LZ N/A FDMC7692S FDMC86520L
PoE++ (IEEE802.3bt) 60W FDMQ8205A FDMS86252L FDMA86265P FDMS8026S FDMC86570L
PoE++ (IEEE802.3bt) 90W FDMQ8205A FDMS86200 FDMC86265P FDMS8025S FDMS86540
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