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www.diodes.com

February 2020

© Diodes Incorporated

PI3DPX1202A

Document number: DS40115 Rev 3-3

PI3DPX1202A

Contents

1. Product Summary........................................................................................................................................................... 1

2. General Information...................................................................................................................................................... 2

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

2.2 Similar Products Selection Guide..................................................................................................................... 2

2.3 Power Consumption Comparison .................................................................................................................. 3

2.4 Output Eye Waveforms with different Pre-channel length ..................................................................... 3

2.5 Related Products ................................................................................................................................................... 4

2.6 Product Status Definition ................................................................................................................................... 4

3. Package Pin-out Information ..................................................................................................................................... 8

3.1 Package Pin-out..................................................................................................................................................... 8

3.2 Pin Description ................................................................................................................................................... 10

4. Functional Description............................................................................................................................................... 12

4.1 Block Diagram..................................................................................................................................................... 12

4.2 Function Description......................................................................................................................................... 13

4.3 SMBus Registers.................................................................................................................................................. 19

4.4 DisplayPort AUX Listener................................................................................................................................ 20

4.5 DPCD Aux Registers ......................................................................................................................................... 23

4.6 SMBus Programming ........................................................................................................................................ 28

5. Electrical Specification................................................................................................................................................ 29

5.1 Absolute Maximum Ratings ............................................................................................................................ 29

5.2 Recommended Operating Conditions.......................................................................................................... 29

5.3 Power Dissipation............................................................................................................................................... 30

5.4 Electrical Characteristic ................................................................................................................................... 31

6. Application...................................................................................................................................................................... 34

6.1 Application Circuit Diagrams ......................................................................................................................... 34

6.2 PCB Layout Guideline....................................................................................................................................... 36

6.3 DisplayPort 1.2 Test Report ............................................................................................................................. 43

7. Mechanical/Packaging ................................................................................................................................................ 45

7.1 Package Mechanical Outline............................................................................................................................ 45

7.2 Part Marking Information................................................................................................................................ 47

7.3 Tape & Reel Materials and Design................................................................................................................. 48

8. Important Notice .......................................................................................................................................................... 51