MicroUSB

Connector

D+

D-

USB_D+

HDMI

V

BAT

To

Battery

Charger

VBUS

ID

GND

VCC

USB_D-

ID_USB

GPO2

GPO1

USB_D+

USB_D-

Baseband or

Application

Processor

USB 2.0

Application

Processor

MHL+

MHL-

CBUS

HDMI to

MHL Bridge

GND

D+

D-

USB1+

USB1-

TS3USB3031

MHL+

MHL-

SEL1

SEL2

USB2+

USB2-

GND

COM

TS5A3157

TS3USB3031

www.ti.com

SCDS348A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013

SUMMARY OF TYPICAL CHARACTERISTICS

MHL PATH

USB PATH 1

USB PATH 2

Number of switches

2

2

2

5.5

Ω

4.5

Ω

4.5

Ω

ON-state resistance match (

<0.1

Ω

<0.1

Ω

<0.1

Ω

1.3 pF

1.0 pF

1.0 pF

Bandwidth (BW)

6.5 GHz

6.5 GHz

6.5 GHz

TYPICAL APPLICATION

Figure 1. Typical TS3USB3031 Application

The diagram above represents a typical application of the TS3USB3031 MHL switch. The TS3USB3031 is used

to switch signals between the 2 sets of USB paths, which go to either the baseband or application processor, and

the MHL path, which goes to the HDMI to MHL bridge. The TS3USB3031 has internal 6M

Ω pull-down resistors

on SEL0 and SEL1. The pull-down on SEL0 and SEL1 ensure the USB1 channel is selected by default. The

TS5A3157 is a separate SPDT switch that is used to switch between MHL’s CBUS and the USB ID line that is

needed for USB OTG (USB On-The-Go) application.

Copyright © 2013, Texas Instruments Incorporated

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Product Folder Links: TS3USB3031