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PD70211 - PD Controller

General Description

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.

Key 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 & program.

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📁 Similar Datasheet

Part Number Description Manufacturer
PD70211 PD Controller Microchip
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Other Datasheets by Microsemi (now Microchip Technology)

Part Number Description
PD70210 Front-End PD Interface Controller
PD70210A Front-End PD Interface Controller
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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.

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PD70211 PD Controller with Switching Regulator for AF/AT/UPOE/HDBaseT/4-pair PoE Applications f Description 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 identifies which of the four pairs of the cable actually receives power and generates appropriate flags.