TUSB422 datasheet(5/71 Pages) TI1

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TUSB422

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SLLSEW6 – NOVEMBER 2016

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For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

6.4 Thermal Information

THERMAL METRIC(1)

TUSB422

UNIT

YFF (DSBGA)

9 PINS

RΘJA

Junction-to-ambient thermal resistance

114.3

°C/W

RΘJC(top)

Junction-to-case (top) thermal resistance

0.7

°C/W

RΘJB

Junction-to-board thermal resistance

24.9

°C/W

ΨJT

Junction-to-top characterization parameter

0.3

°C/W

ΨJB

Junction-to-board characterization parameter

24.9

°C/W

RΘJC(bot)

Junction-to-case (bottom) thermal resistance

°C/W

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)

UFP Current consumption in

Unattached.SNK when port is unconnected

and waiting for connection

VDD = 3.7 V

µA

I(UNATTACHED_DRP)

DRP Current consumption while toggling

between Unattached.SNK and

Unattached.SRC when port is unconnected

and waiting for connection.

VDD = 3.7 V

µA

I(UNATTACHED_DFP)

DFP Current consumption in

Unattached.SRC when port is unconnected

and waiting for connection

VDD = 3.7 V

µA

I(ACTIVE_UFP)

UFP Current consumption in attached.SNK

Active Mode. PD Disabled.

VDD = 3.7 V

330

µA

I(ACTIVE_UFP_PD)

UFP current consumption in attached.SNK

with PD enabled and transmitting continuous

BIST Carrier Mode 2.

VDD = 3.7 V;

TX_CARRIER_MODE2_SEL = 1;

5.2

CC pins (CC1 and CC2)

VCC(USB_DB)

Voltage on both CC pins when in dead

battery and the attached DFP is presenting

default current advertisement

VDD = 0V

0.25

1.5

VCC(MED_DB)

Voltage on both CC pins when in dead

battery and the attached DFP is presenting

medium current (1.5A) advertisement

VDD = 0 V

0.45

1.5

VCC(HIGH_DB)

Voltage on both CC pins when in dead

battery and the attached DFP is presenting

high current (3.0A) advertisement

VDD = 0 V

0.88

2.18

R(CC_RD)

Pull-down resistor when in UFP or DRP

mode

VDD = 2.7 V to 5.5V

4.6

5.1

5.6

kΩ

R(CC_RA)

Pull-down resistor for active cable

VDD = 2.7 V to 5.5 V

0.8

1.2

kΩ

ICC(LKG)

Leakage current through CC pins

VDD = 0 V; VCONN = 0 V; CC pin = 5.5 V

1.36

V(UFP_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(UFP_CC_MED)

Voltage level range for detecting a DFP

attach when configured as a UFP and DFP

is advertising medium (1.5A) current source

capability

0.7

1.16

V(UFP_CC_HIGH)

Voltage level range for detecting a DFP

attach when configured as a UFP and DFP

is advertising high (3.0A) current source

capability

1.31

2.04

VTH(DFP_CC_USB)

Voltage threshold for detecting a UFP attach

when TUSB422 is advertising default current

source capability.

1.51

1.6

1.64

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