USB Hub with Integrated 10/100 Ethernet Controller

Datasheet

4.3Power Consumption

This section details the power consumption of the device as measured during various modes of operation. Power dissipation is determined by temperature, supply voltage, and external source/sink requirements.

4.3.1Operational Current Consumption & Power Dissipation

Table 4.1 Operational Current Consumption & Power Dissipation (VDD33IO = VDD33A = 3.3V)

PARAMETER

MIN

TYPICAL

MAX

UNIT

 

 

 

 

 

100BASE-TX Full Duplex (USB High-Speed)

 

 

 

 

 

 

 

 

 

Supply current (VDD33IO, VDD33A)

 

288

 

mA

 

 

 

 

 

Power Dissipation (Device Only)

 

951

 

mW

 

 

 

 

 

10BASE-T Full Duplex (USB High-Speed)

 

 

 

 

 

 

 

 

 

Supply current (VDD33IO, VDD33A)

 

243

 

mA

 

 

 

 

 

Power Dissipation (Device Only)

 

802

 

mW

 

 

 

 

 

10BASE-T Full Duplex (USB Full-Speed)

 

 

 

 

 

 

 

 

 

Supply current (VDD33IO, VDD33A)

 

180

 

mA

 

 

 

 

 

Power Dissipation (Device Only)

 

594

 

mW

 

 

 

 

 

Note: All values measured with maximum simultaneous traffic on the Ethernet port and all USB ports.

Note: Magnetic power consumption:

„100BASE-TX: ~42mA

„10BASE-T: ~104mA

Revision 1.0 (04-20-09)

40

SMSC LAN9514

 

DATASHEET