1

2

3

4

TPS2511-Q1

8

7

6

5

GND

ILIM_SET

IN

CS

PAD

OUT

DM

DP

EN

UDG-13098

R

ILIM

GND

D+

D-

5.0 V

FB

GND

AC-to-DC Converter

or

Buck DC-to-DC

Converter

Power Supply

TPS2511-Q1

www.ti.com

SLUSBK5A – JUNE 2013 – REVISED JUNE 2013

USB Dedicated Charging Port Controller and Current Limiting Power Switch

Check for Samples: TPS2511-Q1

1

FEATURES

APPLICATIONS

•

Qualified for Automotive Application

•

Vehicle USB Power Charger

•

AEC-Q100 Qualified with the Following

•

AC-DC Wall Adapter with USB Port

Results:

•

Other USB Charger

–

Device Temperature Grade 1: –40°C to

•

Automotive Infotainment Systems

125°C Ambient Operating Temperature

Range

DESCRIPTION

–

Device HMB ESD Classification Level H2

The TPS2511-Q1 is a USB dedicated charging port

(DCP) controller and current limiting power switch. An

–

Device CDM ESD Classification Level C3B

auto-detect feature monitors USB data line voltage,

•

Supports a DCP Shorting D+ to D–

and automatically provides the correct electrical

•

Supports a DCP Applying 2.0 V on D+ and 2.7

signatures on the data lines to charge compliant

V on D– (or 2.7 V on D+ and 2.0 V on D–)

devices among the following charging schemes:

•

Supports a DCP Applying 1.2 V on Data Lines

•

Divider DCP, required to apply 2.7 V on D+ and

2.0 V on D– or 2.0 V on D+ and 2.7 V on D–;

•

Automatically Switch D+ and D– Lines

•

BC1.2 DCP, required to short D+ to D–;

Connections for an Attached Device

•

1.2 V on both D+ and D–.

•

Hiccup Mode for Short-Circuit Protection

The TPS2511-Q1 is a 80-m

Ω power-distribution

•

Provides CS Pin for USB Cable Compensation

switch

intended

for

applications

where

heavy

•

Programmable Current Limit (ILIM_SET Pin)

capacitive loads and short-circuits are likely to be

•

80-m

Ω typical High-Side MOSFET

encountered. This device also provides hiccup mode

•

Accurate ±10% Current-Limit at 2.3 A typical

when the output (OUT) voltage is less than 3.80 V

typical

or

when

an

over-temperature

protection

•

Meets USB Power Switch Requirements

occurs during an overload condition. Accurate and

•

Drop-In and List of materials Compatible with

programmable current limit provides flexibility and

TPS2511

convenience

for

applications.

The

TPS2511-Q1

•

Operating Range: 4.5 V to 5.5 V

provides

a

CS

pin

for

USB

cable

resistance

compensation and a EN pin to turn on and turn off

•

Available in MSOP, 8-Pin Package

the device.

•

UL Listed and CB File Number E169910

SIMPLIFIED APPLICATION

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.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.