Charger

Detection

Sources

And

Comp’s

Accessory

ID

Detection

ADC

I2C Interface

&

Hardware

Control

VBUS

DP

DM

ID

Buffers and/or

Comparators

JIG

INTB

SDA

SCL

VDDIO

BOOT

I2C

Interface

Switches

RxD

TxD

USB_DM

USB_DP

State Machine

Switch

Ctrl

UART

USB

Micro

USB

DP_HT

TxD

RxD

TSU6111 SWITCH

MATRIX

DM_HT

VBUS

DM_CON

DP_CON

ID_CON

TSU6111A

SCDS331

– FEBRUARY 2012

www.ti.com

DESCRIPTION

The TSU6111A is a high performance differential autonomous SP2T switch with impedance detection. The

switch supports the detection of various accessories that are attached through DP, DM, and ID. The charger

attached to a charger.

and BOOT pins are used when a USB or UART JIG cable is used to test the device in the development and

manufacturing. TSU6111A has open-drain JIG output (active low).

BLOCK DIAGRAM

SWITCH MATRIX

2

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© 2012, Texas Instruments Incorporated

Product Folder Link(s): TSU6111A