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NCP1091 - Integrated IEEE 802.3af PoE-PD Interface Controller

Download the NCP1091 datasheet PDF. This datasheet also covers the NCP1090 variant, as both devices belong to the same integrated ieee 802.3af poe-pd interface controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The NCP1090, NCP1091 and NCP1092 are members of ON Semiconductor’s high power HIPOt Power over Ethernet Powered Device (PoE PD) product family and integrate an IEEE 802.3af PoE

PD interface controller.

Key Features

  • Fully Supports IEEE 802.3af Specifications.
  • Programmable Classification Current.
  • Adjustable Under Voltage Lock Out (NCP1091 Only).
  • Open.
  • Drain Power Good Indicator.
  • 130 mA Inrush Current Limit.
  • 500 mA Operational Current Limit.
  • Pass Switch Disabling Input for Rear Auxiliary Supply Operation (NCP1092 Only).
  • Over.
  • temperature Protection.
  • Industrial Temperature Range.
  • 40°C to 85°C with Full Opera.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NCP1090-ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number NCP1091
Manufacturer onsemi
File Size 170.47 KB
Description Integrated IEEE 802.3af PoE-PD Interface Controller
Datasheet download datasheet NCP1091 Datasheet

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Other Datasheets by onsemi

Part Number Description
NCP1090 Integrated IEEE 802.3af PoE-PD Interface Controller
NCP1092 Integrated IEEE 802.3af PoE-PD Interface Controller
NCP1093 Integrated IEEE 802.3at PoE-PD Interface Controller
NCP1094 Integrated IEEE 802.3at PoE-PD Interface Controller
NCP1095 PoE-PD Interface Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
NCP1090, NCP1091, NCP1092 Integrated IEEE 802.3af PoE-PD Interface Controller Description The NCP1090, NCP1091 and NCP1092 are members of ON Semiconductor’s high power HIPOt Power over Ethernet Powered Device (PoE−PD) product family and integrate an IEEE 802.3af PoE−PD interface controller. The 3 variants all incorporate the required functions as such detection, classification, under voltage lockout, inrush and operational current limit. A power good signal has been added to guarantee a good enabling/disabling of the DC−DC controller. In addition, the NCP1091 offers a programmable under−voltage while the NCP1092 provide an auxiliary pin for applications supporting auxiliary supplies.