2

TUSB320, TUSB320I

SLLSEN9C – MAY 2015 – REVISED SEPTEMBER 2016

www.ti.com

Product Folder Links: TUSB320 TUSB320I

Submit Documentation Feedback

Copyright © 2015–2016, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Pin Configuration and Functions ......................... 3

6

Specifications......................................................... 4

6.1

Absolute Maximum Ratings ...................................... 4

6.2

ESD Ratings.............................................................. 4

6.3

Recommended Operating Conditions ....................... 4

6.4

Thermal Information .................................................. 4

6.5

Electrical Characteristics........................................... 5

6.6

Timing Requirements ................................................ 6

6.7

Switching Characteristics .......................................... 6

7

Detailed Description .............................................. 8

7.1

Overview ................................................................... 8

7.2

Feature Description................................................... 9

7.3

Device Functional Modes........................................ 12

7.4

Programming........................................................... 14

7.5

Register Maps ......................................................... 15

8

Application and Implementation ........................ 18

8.1

Application Information............................................ 18

8.2

Typical Application .................................................. 20

8.3

Initialization Set Up ................................................ 26

9

Power Supply Recommendations ...................... 26

10

Layout................................................................... 26

10.1

Layout Guidelines ................................................. 26

10.2

Layout Example .................................................... 26

11

Device and Documentation Support ................. 27

11.1

Related Links ........................................................ 27

11.2

Community Resources.......................................... 27

11.3

Trademarks ........................................................... 27

11.4

Electrostatic Discharge Caution ............................ 27

11.5

Glossary ................................................................ 27

12

Mechanical, Packaging, and Orderable

Information ........................................................... 27

4 Revision History

Changes from Revision B (March 2016) to Revision C

Page

•

Maximum Ratings ................................................................................................................................................................... 4

Changes from Revision A (June 2015) to Revision B

Page

•

Added Note 1 and 2 to the Pin Functions table...................................................................................................................... 3

•

Changed the DESCRIPTION of pin EN_N pin in the Pin Functions table ............................................................................. 3

•

•

Characteristics table. .............................................................................................................................................................. 5

•

Added Note 2 to the Electrical Characteristics table ............................................................................................................. 5

•

•

Updated Timing Requirements table with new values. .......................................................................................................... 6

•

table. ....................................................................................................................................................................................... 6

•

Changed the Switching Characteristics table ........................................................................................................................ 6

•

Added Note: "SW must make sure..." to the Description of INTERRUPT_STATUS in Table 7 ......................................... 16

•

Added text to list item 2 in the Initialization Set Up section.................................................................................................. 26

Changes from Original (May 2015) to Revision A

Page

•

Changed device status of TUSB320 from Product Preview to Production Data.................................................................... 1