PoE Powered Devices | NCP1090
Integrated PoE-PD Interface Controller, IEEE 802.3af, 15W
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概览
The NCP1090, NCP1091 and NCP1092 are members of onsemi’s Power over Ethernet (PoE) Powered Device (PoE−PD) product family and integrate an IEEE802.3af certified interface controller.
The 3 variants incorporate all the required functions, such as detection, classification, under voltage lockout, inrush and operational current limit. A power good signal has been added to guarantee correct enabling/disabling of the DC−DC convertor. In addition, the NCP1091 offers a programmable under−voltage while the NCP1092 provides an auxiliary pin for applications supporting auxiliary supplies.
The NCP1090, NCP1091 and NCP1092 are fabricated in a robust high voltage process and integrate a rugged vertical N−channel DMOS suitable for the most demanding environments and capable of withstanding harsh environments such as hot swap and cable ESD events.
- Wireless access points
- Voice over IP products
- IP camera
- WiMax
- WiFi
- Motor control
- Fully supports IEEE 802.3af specifications
- Allows for up to 15W of power
- Certified interoperability between PoE devices - 500 mA operational current limit
- Industrial temperature range -40°C to 85°C with full operation up to 125°C junction temperature
- Vertical N-Channel DMOS pass switch offers the robustness of discrete MOSFETs
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