Texas Instruments TUSB216EVM User manual

SNLU260–December 2019

TUSB216EVM User's Guide

User's Guide

SNLU260–December 2019

TUSB216EVM User's Guide

This is the user guide for the evaluation module (EVM) of the TUSB216. The purpose of this user guide is

to facilitate an easy evaluation process of our TUSB216 USB High-Speed signal conditioner

This user’s guide provides an overview of the TUSB216, which includes highlighting its key features,

operating conditions, and how to setup this EVM for use in a system level evaluation.

The construction of the TUSB216 EVM also serves as a reference design that is easily modified for any

intended application. Target applications include Cell Phones, Desktop or Notebook Computers, Docking

Stations, TVs, and active Cables. Schematic and layout information are available on TI.com.

Contents

1 TUSB216EVM................................................................................................................ 2

2 TUSB216 EVM Kit Contents ............................................................................................... 2

3 Description of EVM Board.................................................................................................. 3

4 TUSB216EVM Jumper and Switch Configuration ...................................................................... 3

5 Selecting Equalization / Boost Level for TUSB216...................................................................... 4

6 EVM Operation............................................................................................................... 4

7 TUSB216EVM Schematics................................................................................................. 5

8 TUSB216EVM BOM......................................................................................................... 9

List of Figures

1 TUSB216 Functional System Level Block Diagram..................................................................... 2

2 TUSB216EVM................................................................................................................ 3

3 TUSB216EVM Schematic .................................................................................................. 5

List of Tables

1 EQ/Boost Setting Based on Cable Length ............................................................................... 4

Trademarks

All trademarks are the property of their respective owners.

TUSB216EVM

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1 TUSB216EVM

The TUSB216 is a USB High-Speed signal conditioner, designed to compensate for ISI signal loss in a

transmission channel.

The TUSB216 design is agnostic to USB Low and Full-Speed signals and does not affect FS and LS

signaling. High-Speed signals are compensated along with programmable DC gain to fine-tune device

performance to optimize the High-Speed signals at the connector.

This EVM was designed to be used as a medium connection between a USB host and a USB device. The

EVM is designed to provide multiple connector options to help eliminate the use of adapters. The interface

to the EVM consists of three input connectors: a USB 3.1 Mini-B Receptacle, a USB 3.1 Type B

Receptacle, and a USB 3.1 Type-A Plug. The interface to the EVM consists of three a USB 3.1 Type-A

Receptacle output connectors. Each section of the EVM is detachable from the main board along the

board perforations. The EVM can be connected to the system in a similar fashion in Figure 1 .

Figure 1. TUSB216 Functional System Level Block Diagram

2 TUSB216 EVM Kit Contents

This EVM kit contains the following items:

• TUSB216 EVM board

• This user’s manual

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Description of EVM Board

SNLU260–December 2019

TUSB216EVM User's Guide

3 Description of EVM Board

The TUSB216 EVM is designed to provide easy evaluation of the TUSB216 device. It is also meant to

serve as a reference design to show a practical example of how to use the device in a mass-production

system. Figure 2 highlights the jumpers and switch installed on this EVM .

Figure 2. TUSB216EVM

4 TUSB216EVM Jumper and Switch Configuration

The TUSB216 has three switches and six set of jumpers to facilitate configuration changes. The "BOOST"

and EX_ENA_HS jumpers are arranged in a plus shape to allow for easy configuration. Changing these

switch and jumpers settings without a complete understanding of the result is not recommended.

Configuration inputs are only read by the TUSB216 during power on reset or after de-asserting the RSTN

pin, changing these switch settings while the EVM is powered on has no effect. Refer to the device

datasheet for detailed pin descriptions and functionality along with EVM schematic for additional

information.

The switch definitions are as follows:

RSTN Push button Switch (SW1, SW2, SW3):

• Push button to place TUSB216 device in RESET

• Release to de-assert RESET

"BOOST" Jumper Settings:

1. Bottom position sets TUSB216 BOOST Level 0

2. Left position sets TUSB216 to BOOST Level 1

3. Top position sets TUSB216 to BOOST Level 2

4. No connect "BOOST" jumper sets TUSB216 to BOOST Level 3

Right Position of BOOST Jumper is short to GND.

Selecting Equalization / Boost Level for TUSB216

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"RX_ENA_HS" Jumper Settings:

1. Top position sets low RX sensitivity.

2. No connect RX_ENA_HS jumper sets mid RX sensitivity

3. Left position sets high RX sensitivity

4. Bottom position must be set to use ENA_HS LED indicator.

Right Position of RX_ENA_HS jumper is short to GND.

5 Selecting Equalization / Boost Level for TUSB216

The primary purpose of the TUSB216 is to restore the signal integrity of a USB High-Speed channel up to

the USB connector. The platform goal is to pass the USB Near-End or Far-End Eye Mask with the

TUSB216 in the best location.

A typical use case is to place the TUSB216 close to the USB connector on a Host platform to pass Near-

End Eye Mask testing. This includes systems where the USB connector may be placed at the Far-End of

a cable.

Typical EQ and Boost recommendations based on cable length (28 AWG USB Cable).

Table 1. EQ/Boost Setting Based on Cable Length

CABLE LENGTH TUSB216 BOOST TUSB216 RX SEN

0m - 1m EQ1 MID

1m – 2m EQ2 MID

2m – 3m EQ2 HIGH

3m – 5m EQ3 HIGH

6 EVM Operation

To install the EVM, perform the following steps:

1. Attach a USB2 or USB3 cable from a Host PC Type A connector to the Type B connector (P4) of the

TUSB216 EVM.

2. Attach a USB device either via cable or directly plugged into the Type A receptacle connector (P3) on

the TUSB216 EVM.

NOTE: TUSB216EVM does not include I2C pull-up resistors. If I2C access is desired external pull-

up resistor to 3.3V are required.

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TUSB216EVM Schematics

SNLU260–December 2019

TUSB216EVM User's Guide

7 TUSB216EVM Schematics

Figure 3. TUSB216EVM Schematic

TUSB216EVM Schematics

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TUSB216EVM Schematics

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TUSB216EVM BOM

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TUSB216EVM User's Guide

8 TUSB216EVM BOM

ITEM QUANTITY REFERENCE PART

1 15 C1,C4,C5,C8,C9,C12,C15,

C16,C18,C19,C23,C26,C27,C29,C30 0.1uF

2 3 C2,C13,C24 10uF

3 9 C3,C6,C10,C14,C20,C21, C25,C31,C32 1uF

4 3 C7,C17,C28 2.2uF

5 3 C11,C22,C33 4.7uF

6 6 D1,D2,D3,D4,D5,D6 LED

7 3 JMP1,JMP8,JMP9 Header 6x2

8 6 JMP2,JMP3,JMP4,JMP5, JMP6,JMP7 Header 3x1

9 12 J1,J2,J3,J4,J5,J6,J7,J8,J9,J10,J11,J12 HEADER 1

10 1 LBL1 THT-14-423-10

11 3 L1,L2,L3 100ohms

12 1 PCB1 HSDC070

13 3 P1,P3,P5 USB3.0 Type A Receptacle

14 1 P2 Mini USB B

15 1 P4 USB3.0 Type B Receptacle

16 1 P6 USB 3.0 Type A

17 6 R1,R7,R16,R22,R31,R37 0

18 3 R2,R18,R32 27 k

19 1 R3 1k

20 6 R4,R5,R19,R20,R34,R35 75

21 3 R6,R21,R36 3.6 k

22 3 R8,R24,R38 1.8 k

23 3 R9,R25,R39 39 k

24 3 R10,R23,R40 10k 1% DNI

25 3 R11,R30,R41 13 k

26 6 R12,R13,R26,R27,R42,R43 0 DNI

27 3 R14,R28,R44 22 k

28 3 R15,R29,R45 75k 1% DNI

29 2 R17,R33 1 k

30 6 SHNT1,SHNT2,SHNT3, SHNT4,SHNT5,SHNT6 QPC02SXGN-RC

31 3 SW1,SW2,SW3 Switch - Push Button

32 3 U1,U4,U7 TUSB216RWB

33 3 U2,U5,U8 TPS2024D

34 3 U3,U6,U9 SN74AHC1G86DBV

STANDARD TERMS FOR EVALUATION MODULES

1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or

documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance

with the terms set forth herein. User's acceptance of the EVM is expressly subject to the following terms.

1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility

evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not

finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For

clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions

set forth herein but rather shall be subject to the applicable terms that accompany such Software

1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,

or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production

system.

2Limited Warranty and Related Remedies/Disclaimers:

2.1 These terms do not apply to Software. The warranty, if any, for Software is covered in the applicable Software License

Agreement.

2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM

to User. Notwithstanding the foregoing, TI shall not be liable for a nonconforming EVM if (a) the nonconformity was caused by

neglect, misuse or mistreatment by an entity other than TI, including improper installation or testing, or for any EVMs that have

been altered or modified in any way by an entity other than TI, (b) the nonconformity resulted from User's design, specifications

or instructions for such EVMs or improper system design, or (c) User has not paid on time. Testing and other quality control

techniques are used to the extent TI deems necessary. TI does not test all parameters of each EVM.

User's claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects in the EVMs within ten (10)

business days after delivery, or of any hidden defects with ten (10) business days after the defect has been detected.

2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit

User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty

period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to repair or

replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be

warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day

warranty period.

WARNING

Evaluation Kits are intended solely for use by technically qualified,

professional electronics experts who are familiar with the dangers

and application risks associated with handling electrical mechanical

components, systems, and subsystems.

User shall operate the Evaluation Kit within TI’s recommended

guidelines and any applicable legal or environmental requirements

as well as reasonable and customary safeguards. Failure to set up

and/or operate the Evaluation Kit within TI’s recommended

guidelines may result in personal injury or death or property

damage. Proper set up entails following TI’s instructions for

electrical ratings of interface circuits such as input, output and

electrical loads.

NOTE:

EXPOSURE TO ELECTROSTATIC DISCHARGE (ESD) MAY CAUSE DEGREDATION OR FAILURE OF THE EVALUATION

KIT; TI RECOMMENDS STORAGE OF THE EVALUATION KIT IN A PROTECTIVE ESD BAG.

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