1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Thermal Pad

IN

DM_OUT

DP_OUT

ILIM_SEL

OUT

DM_IN

DP_IN

NC

OUT

GND

FAULT

ILIM_LO

EN

R

ILIM_LO

Power Switch EN

4.5V – 5.5V

TPS2544

0.1 uF

Fault Signal

DM_IN

DP_IN

VBUS

D-

D+

GND

USB

Connector

To Portable Device

à

Power Bus

CTL1

CTL2

CTL3

ILIM_SEL

ILIM Select

DM_OUT

DP_OUT

To Host Controller

à

Mode Select I/O

IN

R

ILIM_HI

ILIM_HI

(10 kW)

TPS2544

www.ti.com

SLVSBU8A – FEBRUARY 2013 – REVISED FEBRUARY 2013

USB Charging Port Controller and Power Switch

Check for Samples: TPS2544

1

FEATURES

APPLICATIONS

•

D+/D– CDP/DCP Modes per USB Battery

•

USB Ports (Host and Hubs)

Charging Specification 1.2

•

Notebook and Desktop PCs

•

D+/D– Shorted Mode per Chinese

•

Universal Wall Charging Adapters

Telecommunication Industry Standard YD/T

1591-2009

DESCRIPTION

•

Support non-BC1.2 charging modes by

The TPS2544 is a USB charging port controller and

automatic selection

power switch with an integrated USB 2.0 high-speed

data line (D+/D–) switch. TPS2544 provides the

–

D+/D– Divider Modes 2.0V/2.7V and 2.7/2.0V

electrical signatures on D+/D– to support charging

–

D+/D- 1.2V Mode

schemes listed under device feature section. TI tests

•

Supports Sleep-Mode Charging and

charging of popular mobile phones, tablets and media

Mouse/Keyboard Wake Up

devices with the TPS2544 to ensure compatibility with

both BC1.2 compliant and non-compliant devices. In

•

Automatic SDP/CDP Switching for devices that

addition to charging popular devices, TPS2544 also

do not connect to CDP ports

supports

system

wake

up

(from

S3)

with

a

•

Compatible with USB 2.0 and 3.0 Power Switch

mouse/keyboard; both low speed and full speed are

requirements

supported.

•

Integrated 73-m

Ω (typ) High-Side MOSFET

The TPS2544 73-m

Ω power-distribution switch is

•

Adjustable Current-Limit up to 3.0 A (typ)

intended for applications where heavy capacitive

loads and short-circuits are likely to be encountered.

•

Operating Range: 4.5V to 5.5V

Two

programmable

current

thresholds

provide

•

Max device current

flexibility for setting current limits.

–

2µA when device disabled

–

270µA when device enabled

•

Drop-In and BOM Compatible with TPS2543

and TPS2546

•

Available in 16-Pin QFN (3x3) Package

•

8KV ESD rating on DM/DP pins

•

UL Listed and CB File No. E169910

TPS2544 RTE PACKAGE AND TYPICAL APPLICATION DIAGRAM

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.