PM8805 Datasheet (STMicroelectronics) - IEEE 802.3bt PoE-PD interface

PM8805, IEEE 802.3bt PoE-PD interface

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.

It embeds: two active bridges and their driving circuitry, a charge pump to drive the high-side MOSFETs, the hot swap MOSFET and the interface

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