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MP8020 - IEEE 802.3af/at/bt-Compliant PoE

General Description

The MP8020 is an IEEE 802.3af/at/btcompliant, Power over Ethernet (PoE), powered device (PD).

The device supports all the functions of IEEE 802.3af/at/bt, including detection, 5-event classification, input current (IIN) control, and an internal 100V hot-swap MOSFET.

Key Features

  • a built-in detection resistor, thermal protection, and a wide input under-voltage lockout (UVLO) hysteresis. The MP8020 is available in a QFN-18 (3mmx5mm) package.

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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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DESCRIPTION The MP8020 is an IEEE 802.3af/at/btcompliant, Power over Ethernet (PoE), powered device (PD). The device supports all the functions of IEEE 802.3af/at/bt, including detection, 5-event classification, input current (IIN) control, and an internal 100V hot-swap MOSFET. The MP8020 provides configurable inrush current limiting during start-up and operation current limiting when the internal MOSFET is fully turned on. The GATE1 driver supports the use of an external low on resistance (RDS(ON)) MOSFET for high-power design. A high power good (PG) signal enables the use of a downstream DC/DC converter. The MP8020 also provides automatic maintain power signature functionality under light loads.