USB3813 datasheet(59/68 Pages) SMSC

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USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications

Datasheet

SMSC USB3813

Revision 1.0 (06-17-13)

DATASHEET

9.3

Power 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.

9.3.1

Operational / Unconfigured

9.3.2

Suspend / Standby

9.3.2.1

Single Supply

The following table details the device power consumption when configured with a single VBAT supply

For additional information on power connections, refer to Chapter 4, "Power Connections," on page 17.

Note: Typical values measured with VBAT = 4.2V. Maximum values measured with VBAT = 5.5V.

Table 9.1 Operational/Unconfigured Power Consumption

TYPICAL (mA)

MAXIMUM (mA)

VBAT

VDDCOREREG

VBAT

VDDCOREREG

HS Host / 1 HSIC Device

HS Host / 1 HS Devices

HS Host / 2 HS Devices

HS Host / 1 HSIC, 2 HS Devices

HS Host / 1 FS Device

HS Host / 2 FS Devices

HS Host / 1HSIC, 2 FS Devices

Unconfigured

Table 9.2 Single Supply Suspend/Standby Power Consumption

MODE

SYMBOL

TYPICAL @ 25oCCOMMERCIAL

MAX

INDUSTRIAL

MAX

UNIT

Suspend

IVBAT

300

1200

1650

Standby

IVBAT

0.4

2.0

2.4

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