VBUS

D-

D

+

GND

USB3.0 Port

0. 1 µF

5V Source

USB Transceiver

TPD3S0x4

OUT

IN

D1

D2

EN

From Processor

150 µF

GND

VBUS

D-

D+

TX+

TX-

RX+

RX-

GND

TPD4E05U06

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

TPD3S014, TPD3S044

SLVSCP4B – OCTOBER 2014 – REVISED AUGUST 2015

TPD3S0x4 Current Limit Switch and D+/D– ESD Protection for USB Host Ports

1 Features

3 Description

The TPD3S0x4s are integrated devices that feature a

1

•

Continuous Current Ratings of 0.5 A and 1.5 A

current-limited

load

switch

and

a

two-channel

•

Fixed, Constant Current Limits of 0.85 A and

transient

voltage

suppressor

(TVS)

based

2.15 A (Typ)

electrostatic discharge (ESD) protection diode array

•

Fast Overcurrent Response – 2

μs

for USB interfaces.

•

Integrated Output Discharge

The TPD3S0x4 devices are intended for applications

•

Reverse Current Blocking

such as USB where heavy capacitive loads and

short-circuits

are

likely

to

be

encountered;

•

Short-Circuit Protection

TPD3S0x4s

provide

short-circuit

protection

and

•

Over Temperature Protection With Auto-Restart

overcurrent protection. The TPD3S0x4s limit the

•

Built-In Soft Start

output current to a safe level by operating in constant

current mode when the output load exceeds the

•

Ambient Temperature Range: –40°C to 85°C

current limit threshold. The fast overload response

•

Product Regulatory Compliance

eases the burden on the main 5-V power supply by

–

UL Recognized Component (UL 2367,

quickly regulating the power when the output is

Standard for Solid State Overcurrent

shorted. The rise and fall times for the current limit

Protectors)

switch are controlled to minimize current surges when

turning the device on and off.

–

CB File No. E169910 to IEC 60950-1,

Information Technology Equipment

The TPD3S014 and TPD3S044 will allow 0.5 A and

1.5 A of continuous current, respectively. The TVS

•

IEC 61000-4-2 Level 4 ESD Protection (External

diode array is rated to dissipate ESD strikes above

Pins)

the maximum level specified in the IEC 61000-4-2

–

±12-kV Contact Discharge (IEC 61000-4-2)

international standard.

–

±15-kV Air Gap Discharge (IEC 61000-4-2)

The high level of integration, combined with its easy-

to-route DBV package, allows this device to provide

2 Applications

great

circuit

protection

for

USB

interfaces

in

•

End Equipment:

applications like laptops, high-definition digital TVs,

set-top boxes, and electronic point of sale equipment.

–

Electronic Point of Sale (ESOP)

–

USB Hubs

Device Information(1)

–

Laptops, Desktops

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

High-Definition Digital TVs

2.90 mm × 2.80 mm

TPD3S0x4

DBV (6)

× 1.45 mm

–

Set-Top Boxes

(1) For all available packages, see the orderable addendum at

•

Interfaces:

the end of the data sheet.

–

USB Ports

–

5-V Power Rails

Simplified Schematic

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.