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TPS25221

SLVSDT3D – JANUARY 2018 – REVISED DECEMBER 2019

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Copyright © 2018–2019, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Device Comparison Table..................................... 3

6

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

7

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

7.1

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

7.2

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

7.3

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

7.4

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

7.5

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

7.6

Typical Characteristics .............................................. 7

8

Parameter Measurement Information ................ 10

9

Detailed Description ............................................ 11

9.1

Overview ................................................................. 11

9.2

Functional Block Diagram ....................................... 11

9.3

Feature Description................................................. 12

9.4

Device Functional Modes........................................ 13

9.5

Programming........................................................... 13

10

Application and Implementation........................ 14

10.1

Application Information.......................................... 14

10.2

Typical Applications .............................................. 15

11

Power Supply Recommendations ..................... 21

11.1

Self-Powered and Bus-Powered Hubs ................. 21

11.2

Low-Power Bus-Powered and High-Power Bus-

Powered Functions .................................................. 21

11.3

Power Dissipation and Junction Temperature ...... 21

12

Layout................................................................... 23

12.1

Layout Guidelines ................................................. 23

12.2

Layout Example .................................................... 23

13

Device and Documentation Support ................. 24

13.1

Device Support .................................................... 24

13.2

Documentation Support ....................................... 24

13.3

Receiving Notification of Documentation Updates 24

13.4

Community Resources.......................................... 24

13.5

Trademarks ........................................................... 24

13.6

Electrostatic Discharge Caution ............................ 24

13.7

Glossary ................................................................ 24

14

Mechanical, Packaging, and Orderable

Information ........................................................... 24

4 Revision History

Changes from Revision C (May 2019) to Revision D

Page

•

Removed content from the Programming the Current-Limit Threshold section ................................................................... 13

Changes from Revision B (November 2018) to Revision C

Page

•

Changed the Storage temperature From: TBD to: MIN = –65°C MAX = 150°C in the Absolute Maximum Ratings ............ 4

Changes from Revision A (May 2018) to Revision B

Page

•

Deleted pending from the Features list items ........................................................................................................................ 1

Changes from Original (January 2018) to Revision A

Page

•

Released to Production ......................................................................................................................................................... 1