Datasheet

TUSB9260
SLLS962D– DECEMBER 2009–REVISED MAY 2011 www.ti.com
7 POWER CONSUMPTION
All transfers are to a SATA Gen II SSD. A SATA Gen I target yields an approximate 10-mA power savings
on the 1.1-V rail.
Table 7-1. SuperSpeed USB Power Consumption
TYPICAL IDLE CURRENT
POWER RAIL TYPICAL ACTIVE CURRENT (mA)
(1)
(mA)
(2)
VDD11
(3)
319 308
VDD18
(4)
58 58
VDD33
(5)
6 6
(1) Transferring data via SS USB to a SSD SATA Gen II device. No SATA power management, U0 only.
(2) SATA Gen II SSD attached no active transfer. No SATA power management, U0 only.
(3) All 1.1-V power rails connected together.
(4) All 1.8-V power rails connected together.
(5) All 3.3-V power rails connected together.
Table 7-2. High Speed USB Power Consumption
TYPICAL IDLE CURRENT
POWER RAIL TYPICAL ACTIVE CURRENT (mA)
(1)
(mA)
(2)
VDD11
(3)
197 193
VDD18
(4)
45 36
VDD33
(5)
14 14
(1) Transferring data via HS USB to a SSD SATA Gen II device. No SATA power management.
(2) SATA Gen II SSD attached no active transfer. No SATA power management.
(3) All 1.1-V power rails connected together.
(4) All 1.8-V power rails connected together.
(5) All 3.3-V power rails connected together.
18 POWER CONSUMPTION Copyright © 2009–2011, Texas Instruments Incorporated
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