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.
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.
Si3483
POWER MANAGEMENT CONTROLLER
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 data rate
4x4 mm PCB footprint; RoHS
Fully-compliant with IEEE 802.