NCP1081 Integrated High Power PoE-PD Interface & DC-DC Converter Controller
■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 802.3af standard and a flexible and configurable DC-DC converter controller.
■The NCP1081Js exceptional capabilities offer new opportunities for the design of products powered directly over Ethernet lines， eliminating the need for local power adaptors or power supplies and drastically reducing the overall installation and maintenance cost.
■ON Semiconductor’s unique manufacturing process and design enhancements allow the NCP1081 to deliver up to 25.5 W for the IEEE802.3at standard and up to 40 W for proprietary high power PoE applications. The NCP1081 enables the IEEE802.3at and implements a two event physical layer classification. Additional proprietary classification procedures support high power power sourcing equipment (PSE) on the market. The unique high power features leverage the significant cost advantages of PoE- enabled systems to a much broader spectrum of products in emerging markets such as industrial ethemet devices, PTZ and Dome IP cameras. RFID readers. MIMO WLAN access points, high end VoIP phones, notebooks, etc.
■The integrated current mode DC-DC controller facilitates isolated and non-isolated fly-back, forward and buck converter topologies. It has all the features necessary for a flexible, robust and highly efficient design including programmable switching frequency, duty cycle up to 80 percent, slope compensation, and soft start-up.
■The NCP1081 is fabricated in a robust high voltage process and integrates a rugged vertical N-channel DMOS with a low loss current sense technique suitable for the most demanding environments and capable of withstanding harsh environments such as hot swap and cable ESD events.
●Features
■These are Pb-Free Devices
■The NCP1081 complements ON Semiconductor's ASSP portfolio in industrial devices and can be combined with stepper motor drivers. CAN bus drivers and other high-voltage interfacing devices to offer complete solutions to the industrial and security market.
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Integrated High Power PoE-PD 、 high power HIPO Power over Ethernet Powered Device (PoE-PD) |
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Datasheet |
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Please see the document for details |
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TSSOP−20 |
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English Chinese Chinese and English Japanese |
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2020/8/26 |
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Rev. 7 |
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NCP1081/D |
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330 KB |
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