DRY PACKAGE

(TOP VIEW)

6

1

5

2

D+

D–

ID

4

3

V

BUS

N.C.

GND

YFP PACKAGE

(TOP VIEW)

C1

B1

A1

C2

B2

A2

D+

D–

V

BUS

ID

V

BUS

GND

PREVIEW

TPD4S012

www.ti.com

SLVS928A – MARCH 2009 – REVISED NOVEMBER 2009

4-CHANNEL ESD SOLUTION FOR USB-HS/USB OTG/USB CHARGER INTERFACE

Check for Samples: TPD4S012

1

FEATURES

•

ID Pins to Provide Single-Chip ESD Protection

for USB High Speed, USB-OTG, and USB

Charger Interface

•

Special Snap Back Technology Allows

High-voltage Tolerance During Normal

Operation while Reducing the Clamp Voltage

during System Level ESD Stress

•

USB Signal Pins (D+, D–, ID)

–

0.8-pF Line Capacitance

–

Tolerates 6 V Signal

•

–

11-pF Line Capacitance

–

Tolerates 20 V Signal

•

Flow-Through Pin Mapping for the High-Speed

N.C. – Not internally connected

Lines Ensures Zero Additional Skew Due to

D+, D–, and ID pins are exact equivalent

Board Layout While Placing the ESD

ESD clamp circuits. Any of these pins can

Protection Chip Near the Connector

be connected to any other D+, D–, or ID

pin if it becomes easier to route the traces

•

Supports Data Rates in Excess of 480 Mbps

from the USB connector.

•

IEC 61000-4-2 (Level 4) System Level ESD

Compliance Measured at the D+, D–, and ID

DESCRIPTION

Pins

The

TPD4S012

is

a

four-channel

electrostatic

–

±10-kV IEC 61000-4-2 Contact Discharge

discharge (ESD) solution for USB charger or USB

–

±10-kV IEC 61000-4-2 Air-Gap Discharge

on-the-go (OTG) interface. In many cell phone

applications, the USB connector is the de facto

•

3 Amps Peak Pulse Current (8/20

μs Pulse) for

communication port for external communications like

high-speed data transfer, audio signal, charging,

•

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

car-kit, etc. In order to support different interfaces, the

USB port needs to handle different voltage levels. For

APPLICATIONS

•

Cellular Phones

USB connector to handle in excess of the normal

•

Digital Cameras

offers combinations of two different clamp voltages to

•

Global Positioning Systems (GPS)

match the voltage tolerances of the different signal

•

Portable Digital Assistants (PDA)

interfaces using the common USB connector. Refer

•

Portable Computers

to Figure 5-6 & Figure 9-12, special snap back

technology

allows

high-voltage

tolerance

during

normal operation while reducing the clamp voltage

during system level ESD stress.

The TPD4S012 conforms to IEC61000-4-2 (Level 4)

ESD. The device is offered in space-saving packages

with flow-through pin mapping.

The TPD4S012 is characterized for operation over

ambient air temperature of –40°C to 85°C.

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

UNLESS

OTHERWISE

NOTED

this

document

contains

Copyright © 2009, Texas Instruments Incorporated

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.