Integrated PoE-PD Interface Controller with programmable UVLO, IEEE 802.3af, 15W

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Overview

The NCP1090, NCP1091 and NCP1092 are members of ON Semiconductor’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.

The functionality of the NCP1091 can be tested using the NCP1090GEVB Evaluation Board (excepting the adjustable UVLO feature).

  • 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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CAD Models

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Package Type

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MSL Type

MSL Temp (°C)

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ON Target

PoE Standard

Input Power

PoE Class

Pass-FET RDS(on)

Rear Aux. Vcc

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Reference Price

NCP1091DBRG

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Lifetime

CAD Model

Pb

A

H

P

TSSOP-8

2

260

REEL

4000

Y

802.3af

13

3

500

27

-

Programmable UVLO

Price N/A

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NCP1091DG

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Lifetime

CAD Model

Pb

A

H

P

SOIC-8

2

260

TUBE

96

Y

802.3af

13

3

500

27

-

Programmable UVLO

$0.6782

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NCP1091DRG

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Lifetime

CAD Model

Pb

A

H

P

SOIC-8

2

260

REEL

3000

Y

802.3af

13

3

500

27

-

Programmable UVLO

$0.5314

More Details

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