Datasheet

USB 2.0 Hub and 10/100 Ethernet Controller
Datasheet
Revision 1.2 (02-29-12) 42 SMSC LAN9512/LAN9512i
DATASHEET
4.3.4 Operational Current Consumption & Power Dissipation
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
Table 4.4 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) 231 mA
Power Dissipation (Device Only) 763 mW
10BASE-T Full Duplex (USB High-Speed)
Supply current (VDD33IO, VDD33A) 188 mA
Power Dissipation (Device Only) 621 mW
10BASE-T Full Duplex (USB Full-Speed)
Supply current (VDD33IO, VDD33A) 152 mA
Power Dissipation (Device Only) 502 mW