TUSB8042AI datasheet(3/64 Pages) TI1

3 / 64 page

Table of Contents

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

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

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

4 Device Variants................................................................ 4

4.1 Device Version Comparison........................................4

5 Pin Configuration and Functions...................................5

6 Specifications................................................................ 10

6.1 Absolute Maximum Ratings...................................... 10

6.2 ESD Ratings............................................................. 10

6.3 Recommended Operating Conditions.......................10

6.4 Thermal Information..................................................10

6.5 Electrical Characteristics...........................................11

6.6 Timing Requirements................................................13

6.7 Timing Diagrams ......................................................14

7 Detailed Description......................................................15

7.1 Overview................................................................... 15

7.2 Functional Block Diagram......................................... 15

7.3 Feature Description...................................................16

7.4 Device Functional Modes..........................................22

8 Register Maps................................................................ 25

8.1 Configuration Registers............................................ 25

8.2 ROM Signature Register...........................................26

8.3 Vendor ID LSB Register............................................26

8.4 Vendor ID MSB Register...........................................26

8.5 Product ID LSB Register...........................................27

8.6 Product ID MSB Register..........................................27

8.7 Device Configuration Register.................................. 28

8.8 Battery Charging Support Register........................... 29

8.9 Device Removable Configuration Register............... 29

8.10 Port Used Configuration Register........................... 30

8.11 Device Configuration Register 2............................. 31

8.12 USB 2.0 Port Polarity Control Register................... 32

8.13 UUID Registers....................................................... 33

8.14 Language ID LSB Register..................................... 33

8.15 Language ID MSB Register.................................... 33

8.16 Serial Number String Length Register.................... 34

8.17 Manufacturer String Length Register...................... 34

8.18 Product String Length Register...............................34

8.19 Device Configuration Register 3............................. 35

8.20 USB 2.0 Only Port Register.................................... 35

8.21 Serial Number String Registers.............................. 36

8.22 Manufacturer String Registers................................ 37

8.23 Product String Registers......................................... 37

8.24 Additional Feature Configuration Register.............. 38

8.25 SMBus Device Status and Command Register...... 39

9 Application and Implementation.................................. 40

9.1 Application Information............................................. 40

9.2 Typical Application.................................................... 40

9.3 Power Supply Recommendations.............................48

9.4 Layout....................................................................... 49

10 Device and Documentation Support..........................52

10.1 Documentation Support.......................................... 52

10.2 Receiving Notification of Documentation Updates..52

10.3 Support Resources................................................. 52

10.4 Trademarks.............................................................52

10.5 Electrostatic Discharge Caution..............................52

10.6 Glossary..................................................................52

11 Revision History.......................................................... 52

12 Mechanical, Packaging, and Orderable

Information.................................................................... 52

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TUSB8042A

SLLSF93A – JUNE 2019 – REVISED JANUARY 2025

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