PoE Powered Devices | NCP1090

Integrated PoE-PD Interface Controller, 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.

  • 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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Pass-FET RDS(on)

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Pricing ($/Unit)

NCP1090DG

Active

CAD Model

Pb

A

H

P

SOIC-8

751AZ

2

260

TUBE

96

Y

802.3af

13

3

500

42

-

-

$0.599

More Details

NCP1090DBRG

Active

CAD Model

Pb

A

H

P

TSSOP-8

948S

2

260

REEL

4000

Y

802.3af

13

3

500

42

-

-

Price N/A

More Details

NCP1090DRG

Active

CAD Model

Pb

A

H

P

SOIC-8

751AZ

2

260

REEL

3000

Y

802.3af

13

3

500

42

-

-

$0.5555

More Details

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