TUSB4020BIPHPR datasheet(3/46 Pages) TI

3 / 46 page

Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Pin Configuration and Functions...................................4

5 Specifications.................................................................. 7

5.1 Absolute Maximum Ratings(1) ....................................7

5.2 ESD Ratings............................................................... 7

5.3 Recommended Operating Conditions.........................7

5.4 Thermal Information....................................................7

5.5 3.3V I/O Electrical Characteristics.............................. 8

5.6 Hub Input Supply Current........................................... 8

5.7 Power-Up Timing Requirements................................. 9

6 Detailed Description......................................................10

6.1 Overview................................................................... 10

6.2 Functional Block Diagram......................................... 10

6.3 Feature Description...................................................11

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

6.5 Programming............................................................ 13

6.6 Register Maps...........................................................14

7 Application and Implementation.................................. 26

7.1 Application Information............................................. 26

7.2 Typical Applications.................................................. 27

7.3 Power Supply Recommendations.............................31

7.4 Layout....................................................................... 32

8 Device and Documentation Support............................35

8.1 Documentation Support............................................ 35

8.2 Receiving Notification of Documentation Updates....35

8.3 Support Resources................................................... 35

8.4 Trademarks...............................................................35

8.5 Electrostatic Discharge Caution................................35

8.6 Glossary....................................................................35

9 Revision History............................................................ 35

10 Mechanical, Packaging, and Orderable

Information.................................................................... 36

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TUSB4020BI

SLLSEI0E – JULY 2015 – REVISED JULY 2024

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