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PM8805 - IEEE 802.3bt PoE-PD interface

General Description

The PM8805 is a system-in-package for smart power supply of Power over Ethernet (PoE) Powered Devices (PD) and it is applicable for power level up to 99.9 W.

Key Features

  • Dual active bridge, hot swap MOSFET and PoE-PD interface in a system-inpackage.
  • 100 V N-ch MOSFETs with 0.2 Ω total path resistance for each active bridge.
  • 100 V, 0.1 Ω high-side N-ch hot swap MOSFET.
  • PoE-PD single-signature interface compliant with IEEE 802.3bt / at / af.
  • Supports 4-pair PoE.

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

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PM8805 Datasheet IEEE 802.3bt PoE-PD interface with embedded dual active bridge Product label Product status link PM8805 Features • Dual active bridge, hot swap MOSFET and PoE-PD interface in a system-inpackage • 100 V N-ch MOSFETs with 0.2 Ω total path resistance for each active bridge • 100 V, 0.1 Ω high-side N-ch hot swap MOSFET • PoE-PD single-signature interface compliant with IEEE 802.3bt / at / af • Supports 4-pair PoE applications • Supports 12 V auxiliary sources • Identifies which kind of PSE (standard or legacy) is connected with and provides successful IEEE802.3bt / at / af classification indication as a combination of the T0, T1 and T2 signals (open drain) • Smart operational modes • Programmable classification current with 3.