PD70211 - Microsemi

PD70211 PD Controller

PD70211 is an advanced PD Interface IC with integrated switching (PWM) regulator control for Powered Devices in PoE applications. It supports IEEE802.3af, IEEE802at, HDBaseT and general 2/4-pair configurations. The PD70211 front-end includes an advanced classification block that supports 2, 3, 4, and 6 event classification. Using the SUPP_Sx pins, it also id.

Features

an internal bleeder for discharging the input capacitor of the DC/DC converter rapidly, so as to ensure fast re-detection and port power-up in case of sudden removal and re-insertion of the Ethernet cable into the RJ-45. The advanced PWM currentmode section supports synchronous Flyback and Active clamp Forward topologies, as well as Buck, Boost etc. Features  Supports IEEE802.3af/at, HDBaseT and other 2pair/4-pair configurations  Wall-adapter support (Rear Aux method)  PD detection & programmable classification  2,3,4, and 6 event classification  Integrated 0.3Ω isolating (series-pass) F.