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TUSB321AI

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SLLSER2A – OCTOBER 2015 – REVISED MAY 2017

Product Folder Links: TUSB321AI

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Copyright © 2015–2017, Texas Instruments Incorporated

(1)

VDD must be 3.5 V or greater to advertise 3 A current.

6.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

Power Consumption

I(UNATTACHED_UFP)

Current consumption in unattached mode when port is

unconnected and waiting for connection. (VDD = 5 V, PORT

= L)

70

µA

I(ACTIVE_UFP)

Current consumption in active mode. (VDD = 5 V, PORT =

L)

70

µA

CC1 and CC2 Pins

R(CC_D)

Pulldown resistor when in UFP or DRP mode.

4.6

5.1

5.6

kΩ

RCC_DB

Pulldown resistor when in dead-battery mode

VDD = 0V.

4.1

5.1

6.1

kΩ

VUFP_CC_USB

Voltage level range for detecting a DFP attach when

configured as a UFP and DFP is advertising default current

source capability.

0.25

0.61

V

VUFP_CC_MED

Voltage level range for detecting a DFP attach when

configured as a UFP and DFP is advertising medium (1.5

A) current source capability.

0.70

1.16

V

VUFP_CC_HIGH

Voltage level range for detecting a DFP attach when

configured as a UFP and DFP is advertising high (3 A)

current source capability.

1.31

2.04

V

VTH(DFP_CC_USB)

Voltage threshold for detecting a UFP attach when

configured as a DFP and advertising default current source

capability.

1.51

1.6

1.64

V

VTH(DFP_CC_MED)

Voltage threshold for detecting a UFP attach when

configured as a DFP and advertising medium current (1.5

A) source capability.

1.51

1.6

1.64

V

VTH(DFP_CC_HIGH)

Voltage threshold for detecting a UFP attach when

configured as a DFP and advertising high current (3.0 A)

source capability.

2.46

2.6

2.74

V

VTH(AC_CC_USB)

Voltage threshold for detecting a active cable attach when

configured as a DFP and advertising default current

source.

0.15

0.20

0.25

V

VTH(AC_CC_MED)

Voltage threshold for detecting a active cable attach when

configured as a DFP and advertising medium current (1.5

A) source.

0.35

0.40

0.45

V

VTH(AC_CC_HIGH)

Voltage threshold for detecting a active cable attach when

configured as a DFP and advertising high current (3 A)

source.

0.76

0.80

0.84

V

ICC(DEFAULT_P)

Default mode pullup current source when operating in DFP

or DRP mode.

64

80

96

µA

ICC(MED_P)

Medium (1.5 A) mode pullup current source when

operating in DFP or DRP mode.

166

180

194

µA

ICC(HIGH_P)

High (3 A) mode pullup current source when operating in

DFP or DRP mode.(1)

304

330

356

µA

Control Pins: PORT, CURRENT_MODE, VCONN_FAULT, DIR, ID, OUT1, OUT2

VIL

Low-level control signal input voltage, (PORT,

CURRENT_MODE)

0.4

V

VIM

Mid-level control signal input voltage (PORT,

CURRENT_MODE)

0.28 × VDD

0.56 × VDD

V

VIH

High-level control signal input voltage (PORT,

CURRENT_MODE)

VDD - 0.3

V

IIH

High-level input current

–20

20

µA

IIL

Low-level input current

–10

10

µA

IID_LEAKAGE

Current leakage for ID pin.

VDD = 0V; ID = 5V

10

µA

RPU

Internal pullup resistance (PORT)

588

kΩ

RPD

Internal pulldown resistance (PORT)

1.1

MΩ

RPD(CUR)

Internal pulldown resistance for CURRENT_MODE pin

275

kΩ

VOL

Low-level signal output voltage (open-drain)

(VCONN_FAULT, ID, OUT1, OUT2, DIR)

IOL = –1.6 mA

0.4

V