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PD70211 Datasheet PD Controller

Manufacturer: Microchip Technology

Overview: PD70211 PD Controller with Switching Regulator for AF/AT/UPOE/ HDBaseT/4-pair PoE Applications Product Overview Microchip's PD70211 is an advanced PD interface IC with integrated switching Pulse-Width Modulation (PWM) regulator control for powered devices in PoE applications. It supports IEEE® 802.3af, IEEE 802at, 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 the four pairs of cable that actually receive power and generate appropriate flags.

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Key Features

  • an internal bleeder for discharging the input capacitor of the DC/DC converter rapidly to ensure fast re-detection and port power-up, in case of a sudden removal and re-insertion of the Ethernet cable into the RJ-45. The advanced PWM current-mode section supports synchronous Flyback and Active Clamp Forward topologies, as well as Buck, Boost, and so on. Features The PD70211 device has the following key features.
  • Supports IEEE 802.3af/at, HDBaseT, and other 2-pair/4-pair configurations.

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Microsemi Logo PD70211 PD Controller Microsemi

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