PD77020 Series

IEEE 802.3bt PoE PSE Power Management Controller

Catalog

IEEE 802.3bt PoE PSE Power Management Controller

Part	Auxiliary Sense	Supplier Device Package	Voltage - Supply [Max]	Voltage - Supply [Min]	Package / Case	Type	Internal Switch(s)	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Number of Channels	Standards
Microchip Technology PD77020-011000		32-QFN (5x5)	3.6 V	3 V	32-VFQFN Exposed Pad	Controller (PSE)		Surface Mount	85 °C	-40 °C	48	802.3bt
Microchip Technology PD77020-011000-TR		32-QFN (5x5)	3.6 V	3 V	32-VFQFN Exposed Pad	Controller (PSE)		Surface Mount	85 °C	-40 °C	48	802.3bt

Catalog

IEEE 802.3bt PoE PSE Power Management Controller

Key Features

• A PSE system operating in the controller mode with PD77728 has the following system and port level features* Detection, classification, inrush, port power up, real-time protection

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• A PSE System operating in the controller mode with PD77020 has the following system and port level features* Support for up to 16 power banks

• * Power management

• * Communication with host (15-byte protocol)

• * LLDP

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• Host* High level configuration (total power budget)

• * Ports priority definitions

• * Reading PoE information from PD77020

Description

The PD77020 PoE power management controller provides multi-port PoE functions, such as, port mapping (port matrix), port priority, port status, and system power management. The PD77020 device can be used in conjunction with PD77728 seventh-generation PoE manager from Microchip. The PD77020 device is based on a Microchip SAMD21 controller and is packaged in a 5 mm × 5 mm 32-pin QFN package.