NCP1091DBRG

Description：IC POE CNTRL 1 CHANNEL 8TSSOP
Series：HIPO™
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:e474698516a8 Category: Power Over Ethernet (PoE) Controllers Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC POE CNTRL 1 CHANNEL 8TSSOP
Series：HIPO™
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Controller (PD)
Number of Channels：1
Power - Max：12.95 W
Internal Switch(s)：Yes
Auxiliary Sense：Yes
Standards：802.3af (PoE)
Voltage - Supply：0V ~ 57V
Current - Supply：-
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package：8-TSSOP

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NCP1091DBRG

Overview

The NCP1091DBRG is a single-channel hot-swap voltage controller manufactured by onsemi, designed for Power over Ethernet (PoE) applications. It supports IEEE 802.3af standards with an input voltage range of 0 V to 57 V and a maximum current limit of 500 mA. The device operates within a temperature range of -40°C to +85°C and is housed in an SOIC-8 surface-mount package. Key features include power failure detection and integrated soft-start functionality to manage inrush currents during insertion.

Feature Summary

Integrated hot-swap control for safe insertion and removal of powered devices
Supports IEEE 802.3af PoE classification and detection protocols
Includes power failure detection for system reliability

Applications

Power over Ethernet (PoE) Powered Device controllers
LAN interface power management circuits
Industrial communication equipment requiring hot-swap capability

Procurement Notes

Verify component authenticity through authorized channels as the part is listed as End-of-Life. Confirm package integrity and moisture sensitivity levels prior to assembly. Review official discontinuation notifications for timeline constraints. Ensure design-in compatibility with existing PCB footprints and thermal requirements before finalizing procurement plans.

Selection Notes

Select this component for designs requiring compliant IEEE 802.3af hot-swap protection in compact SOIC-8 packages. Evaluate thermal performance under maximum load conditions within the specified operating temperature range. Consider availability constraints due to end-of-life status when planning long-term production cycles.

Part Context

This component belongs to the NCP1091 series of hot-swap voltage controllers from onsemi. It is categorized under PMIC solutions specifically tailored for PoE and LAN applications. The series provides integrated protection mechanisms for powered devices connected to Ethernet networks.