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SI3483 Datasheet POWER MANAGEMENT CONTROLLER

Manufacturer: Silicon Laboratories

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General Description

The Si3483 is a power manager intended for use with the Si3459 Power over Ethernet (PoE) controllers for power management of up to 64 ports with three power sources.

The Si3459 is capable of delivering over 30 W per port, which means that, in a 24or 48-port system, a very large power supply would have to be used to avoid overload.

Typically, not all ports are used at full power;

Overview

Si3483 POWER MANAGEMENT CONTROLLER.

Key Features

  • Enables use of smaller power.
  • Supports classification-based and supplies for up to 64-port PoE LLDP power negotiation systems with Si3459 and Si3454.
  • Supports individual port priority and PSE interface ICs port configuration.
  • Can operate with or without a host.
  • Supports Power supply status from.
  • Configuration save capability up to 3 power supplies.
  • Pin-selectable SPI or UART interface.
  • 24-pin Quad flat pack package.
  • Pin-selectable UART dat.

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