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TMDS171, TMDS171I

SLLSEN7E – OCTOBER 2015 – REVISED SEPTEMBER 2017

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Product Folder Links: TMDS171

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Copyright © 2015–2017, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

6

Specifications......................................................... 6

6.1

Absolute Maximum Ratings ...................................... 6

6.2

ESD Ratings.............................................................. 6

6.3

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

6.4

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

6.5

Electrical Characteristics........................................... 8

6.6

Switching Characteristics ........................................ 10

6.7

Typical Characteristics ............................................ 12

7

Parameter Measurement Information ................ 12

8

Detailed Description ............................................ 20

8.1

Overview ................................................................. 20

8.2

Functional Block Diagram ....................................... 21

8.3

Feature Description................................................. 21

8.4

Device Functional Modes........................................ 28

8.5

Register Maps ........................................................ 30

9

Application and Implementation ........................ 43

9.1

Application Information............................................ 43

9.2

Source Side Application .......................................... 45

9.3

System Examples ................................................... 49

10

Power Supply Recommendations ..................... 50

11

Layout................................................................... 52

11.1

Layout Guidelines ................................................. 52

11.2

Layout Example .................................................... 53

12

Device and Documentation Support ................. 54

12.1

Related Documentation ....................................... 54

12.2

Receiving Notification of Documentation Updates 54

12.3

Community Resources.......................................... 54

12.4

Trademarks ........................................................... 54

12.5

Electrostatic Discharge Caution ............................ 54

12.6

Glossary ................................................................ 54

13

Mechanical, Packaging, and Orderable

Information ........................................................... 54

4 Revision History

Changes from Revision D (August 2016) to Revision E

Page

•

Added Note 3 to the Electrical Characteristics table .............................................................................................................. 8

•

Deleted text "which is needed for certain HDMI CTS test." from the second paragraph in the Overview section .............. 20

•

Changed section: Input Signal Detect Block ........................................................................................................................ 25

•

Changed H to X in the first row of the HPD_SNK column in Table 36 ................................................................................ 51

•

Changed the IN_Dx column in Table 36 .............................................................................................................................. 51

Changes from Revision C (April 2016) to Revision D

Page

•

Recommended Operating Conditions, Changed the CONTROL PINS section ..................................................................... 7

•

Electrical Characteristics Changed the DDC and I2C section................................................................................................ 9

Changes from Revision B (February 2016) to Revision C

Page

•

Changed pin 36 Description From: TX_TERM_CTL = L: 150 - 300 Ω To: TX_TERM_CTL = L: Reserved in the Pin

Functions table ...................................................................................................................................................................... 6

•

Added OE to VIL "Low-level input voltage" in the Recommended Operating Conditions table ............................................. 7

•

Added OE to VIH "High-level input voltage" in the Recommended Operating Conditions table ............................................ 7

•

Changed Figure 23 .............................................................................................................................................................. 22

•

Deleted the VDD_ramp and VCC_ramp MIN values in Table 1 ......................................................................................... 23

•

Changed TX_TERM_CTL = L to Reserved in Table 3 ........................................................................................................ 25

•

Changed text "address 22h through the I

2C interface" To: "address 0Bh through the I2C interface" DDC Functional

Description............................................................................................................................................................................ 29

•

Added Note to 11–400-kbps in Table 8................................................................................................................................ 32

•

Added Note to 11–400-kbps in Table 10.............................................................................................................................. 34