Texas Instruments TUSB1002EVM Manual de usuario

SLLU245–May 2016

TUSB1002 Evaluation Module

User's Guide

SLLU245–May 2016

TUSB1002 Evaluation Module

This is the user guide for the evaluation module (EVM) of the TUSB1002. The purpose of this user guide

is to facilitate an easy evaluation process of our TUSB1002 USB 3.1 SuperSpeed (5 Gbps) and

SuperSpeed Plus (10 Gbps) Re-Driver.

The contents of this user’s guide are meant to provide an overview of the TUSB1002, 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 TUSB1002 EVM also serves as a reference design that can be easily modified for

any intended application. Target applications include cell phones, computers, docking stations, TVs, and

active cables. The schematics and layout information is included at the end of this manual.

Contents

1 Introduction ................................................................................................................... 2

2 TUSB1002 EVM Configuration............................................................................................. 3

2.1 TUSB1002 EVM Kit Contents..................................................................................... 3

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

3 Selecting Equalization Level for TUSB1002 ............................................................................. 5

4 Adjustable VOD Linear Range and DC Gain ............................................................................ 5

5 Monitoring the Device Current ............................................................................................. 6

6 PCB Construction............................................................................................................ 7

6.1 TUSB1002 EVM Board Schematics.............................................................................. 7

6.2 TUSB1002 EVM Board Layout.................................................................................... 9

6.3 TUSB1002 EVM Material Listing................................................................................ 11

List of Figures

1 TUSB1002 Functional System Level Block Diagram ................................................................... 2

2 TUSB1002 EVM (Top Side)................................................................................................ 3

3 TUSB1002 EVM Schematic (High Speed Pins and Power) ........................................................... 7

4 TUSB1002 EVM Schematic (Device Control Pins)...................................................................... 8

5 TUSB1002 EVM Layout Layer 1 (Top) ................................................................................... 9

6 TUSB1002 EVM Layout Layer 2 (GND).................................................................................. 9

7 TUSB1002 EVM Layout Layer 3 (VCC)................................................................................. 10

8 TUSB1002 EVM Layout Layer 4 (Bottom).............................................................................. 10

List of Tables

1 TUSB1002 EVM Jumper / Switch Description and Settings ........................................................... 4

2 TUSB1002 Equalization Selection......................................................................................... 5

3 TUSB1002 Adjustable VOD and DC Gain ............................................................................... 5

4 TUSB1002 EVM Bill of Materials......................................................................................... 11

USB 3.1

Type-W

Cable

USB 3.1

Type-W

Cable

USB 3.1 Type-B Receptacle

USB 3.1 Device/Sink (External Hard Drive, Thumb Drive, and so forth)

USB 3.1 Type-B Receptacle (Input)

USB 3.1 Type-A Receptacle (Output)

TUSB1002 EVM

USB 3.1 Host/Source (Desktop, Laptop, Docking Station, and so forth)

USB 3.1 Type-A Receptacle

Introduction

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TUSB1002 Evaluation Module

1 Introduction

The TUSB1002 is a dual-channel, USB 3.1 SuperSpeed Plus re-driver and signal conditioner supporting

data rates of 10.0 Gbps. The device complies with USB 3.1 specification revision 1.0, supporting electrical

idle condition and low-frequency periodic signals (LFPS) for USB 3.1 power management modes.

The device offers programmable equalization that extends the interconnect distance between two devices.

Also, the device supports low-power modes when unplugged. The device can also function in USB-

compliance mode to test the transmitter for compliance to voltage and timing specifications per USB 3.1

compliance specification.

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

interface to the EVM consists of a USB 3.1 Type-A Receptacle and a USB 3.1 Type-B Receptacle.

Therefore, in order to connect the EVM to your system set up, you will most likely need 2 USB 3.1

Standard Type-A →B cables. Your test setup should look similar to the figure below:

Figure 1. TUSB1002 Functional System Level Block Diagram

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TUSB1002 EVM Configuration

SLLU245–May 2016

TUSB1002 Evaluation Module

2 TUSB1002 EVM Configuration

2.1 TUSB1002 EVM Kit Contents

This EVM kit contains the following items:

• TUSB1002 EVM board

• This user’s manual

2.2 Description of EVM Board

The TUSB1002 EVM is designed to provide easy evaluation of the TUSB1002 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 and Table 1 highlights their

functionality and configuration.

Figure 2. TUSB1002 EVM (Top Side)

TUSB1002 EVM Configuration

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Table 1. TUSB1002 EVM Jumper / Switch Description and Settings

Jumper Functionality and Configuration

J1 CH1_EQ1

1-2 = 1 (1K to VCC)

3-4 = R (20K to GND)

5-6 = 0 (1K to GND)

NC = F (No Connect)

J2 CH1_EQ2

1-2 = 1 (1K to VCC)

3-4 = R (20K to GND)

5-6 = 0 (1K to GND)

NC = F (No Connect)

J3 CH2_EQ1

1-2 = 1 (1K to VCC)

3-4 = R (20K to GND)

5-6 = 0 (1K to GND)

NC = F (No Connect)

J4 CH2_EQ2

1-2 = 1 (1K to VCC)

3-4 = R (20K to GND)

5-6 = 0 (1K to GND)

NC = F (No Connect)

J5 CFG1

1-2 = 1 (1K to VCC)

3-4 = R (20K to GND)

5-6 = 0 (1K to GND)

NC = F (No Connect)

J6 RSVD1

1-2 = 1 (1K to VCC)

3-4 = R (20K to GND)

5-6 = 0 (1K to GND)

NC = F (No Connect)

J7 MODE

1-2 = 1 (1K to VCC)

3-4 = R (20K to GND)

5-6 = 0 (1K to GND)

NC = F (No Connect)

J8 CFG2

1-2 = 1 (1K to VCC)

3-4 = R (20K to GND)

5-6 = 0 (1K to GND)

NC = F (No Connect)

J9/SW1 EN (Shutdown Mode)

1-2 = 1K to GND

NC = Internal Pull-up (Default)

SW1 = Push to Short EN to GND

J10 SLP_S0#

1-2 = 1K to GND

NC = Internal Pull-up (Default)

J11 VCC 3.3V

1-2 = VCC_3.3V Provided from U2

(Default)

NC = Provide external 3.3V on Pin 2

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Selecting Equalization Level for TUSB1002

SLLU245–May 2016

TUSB1002 Evaluation Module

3 Selecting Equalization Level for TUSB1002

The equalization level of each channel is configured via the CHx_CFG1 and CHx_CFG2 pin states.

Table 2 lists all possible equalization levels that can be achieved with the TUSB1002:

Table 2. TUSB1002 Equalization Selection

Equalization Level Selector

CHx_EQ2 Pin Level CHx_EQ1 Pin Level EQ Gain at 5 GHz

(dB)

0 0 2.5

0 R 4.2

0 F 5.5

017

R 0 8

R R 9

R F 10

R 1 10.7

F 0 11.4

F R 12.2

F F 12.7

F 1 13.2

1 0 13.7

1 R 14.2

1 F 14.7

1 1 15.1

4 Adjustable VOD Linear Range and DC Gain

The CFG1 and CFG2 pins can be used to adjust the TUSB1002 output voltage swing linear range and

receiver equalization DC gain. Table 3 details the available options.

Table 3. TUSB1002 Adjustable VOD and DC Gain

Setting # CFG1 Pin Level CFG2 Pin Level CH1 DC Gain

(dB) CH2 DC Gain

(dB) CH1 VOD

Linear Range

(mVpp)

CH2 VOD

Linear Range

(mVpp)

1 0 0 +1 0 900 900

2 0 R 0 +1 900 900

3 0 F 0 0 900 900

4 0 1 +1 +1 900 900

5 R 0 0 0 1000 1000

6 R R +1 0 1000 1000

7 R F 0 –1 1000 1000

8 R 1 +2 +2 1000 1000

9 F 0 –1 –1 1200 1200

10 F R –2 –2 1200 1200

11 F F 0 0 1200 1200

12 F 1 +1 +1 1200 1200

13 1 0 –1 0 1200 1200

14 1 R 0 –1 1200 1200

15 1 F 0 +1 1200 1200

16 1 1 +1 0 1200 1200

Monitoring the Device Current

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5 Monitoring the Device Current

The TUSB1002 EVM includes the option of monitoring the current draw of the device. In order to enable

this feature, the following steps must be taken:

1. Un-install the shunt located at JMP11 and remove R26.

2. Obtain a power supply with the ability to display its current draw (or connect a current meter in series

to the power supply).

3. Connect to 3.3 V of external power source to VCC_3.3V (J11-2) and GND of the external supply to a

convenient GND location on the EVM (J10-2).

4. Turn on your power supply and observe the measured current on your power supply display (or current

meter).

Silkscreen:

3.3V VREG

Silkscreen:

J11-1 3.3V VREG

J11-2 VCC_3.3V

RX2P

RX2N

RX1N

RX1PTX1P

TX1P_Conn

TX1N

TX1N_Conn

TX2P TX2P_Conn

TX2N_Conn

TX2N

USB2_DM

USB2_DP

VBUS

CH2_EQ2

CH2_EQ1

SLP_S0#

CFG2

CFG1

CH1_EQ2

CH1_EQ1

MODERSVD1

3.3V

USB2_DM

USB2_DP

USB2_DM

USB2_DP

VBUS VBUS

MODE

CFG1

CH2_EQ2

CH2_EQ1 CFG2

SLP_S0#

CH1_EQ1

CH1_EQ2

RSVD1

VCC_3.3V

VBUS

VBUS 3.3V VCC_3.3V

C4 0.1uF

C15

22uF

C3 0.1uF

C2 0.1uF

C1 0.1uF

C14

0.01uF

10uF

LED Green 0805

C13

0.01uF

10uF

C12

0.1uF

USB3 Type A Receptacle

VBUS

USB2_DM

USB2_DP

GND

SS_RX_N

SS_RX_P

GND_Drain

SS_TX_N

SS_TX_P

Shield1 10

Shield2 11

R28

300 Ohm

C11

0.1uF

C10

1uF

J11

HDR2X1 M .1

1 2

1uf

TUSB1002RGE

VCC

CH1_EQ1

CH1_EQ2

CFG1

GND

MODE 7

RX1N 8

RX1P 9

GND 10

TX2N 11

TX2P 12

VCC 13

SLP_S0# 14

CFG2 15

CH2_EQ1 16

CH2_EQ2 17

GND 18

RX2P

RX2N

GND

TX1P

TX1N

RSVD1

PAD

USB3.0 Type B Receptacle

VBUS 1

USB2_DM 2

USB2_DP 3

GND 4

SS_TX_N 5

SS_TX_P 6

GND_DRAIN 7

SS_RX_N 8

SS_RX_P 9

Shield1

Shield2

R26 0 Ohm

LP5907

VIN

GND

VOUT 5

N/C 4

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PCB Construction

SLLU245–May 2016

TUSB1002 Evaluation Module

6 PCB Construction

This section discusses the construction of the EVM boards. It includes the board schematics and layout files to show how the board was built.

6.1 TUSB1002 EVM Board Schematics

Figure 3 and Figure 4 illustrate the EVM schematics.

Figure 3. TUSB1002 EVM Schematic (High Speed Pins and Power)

Silkscreen:

CH1_EQ1 Selection

1-2 = 1

3-4 = R

5-6 = 0

NC = F

Silkscreen:

CH1_EQ2 Selection

1-2 = 1

3-4 = R

5-6 = 0

NC = F

Silkscreen:

CH2_EQ1 Selection

1-2 = 1

3-4 = R

5-6 = 0

NC = F

Silkscreen:

CH2_EQ2 Selection

1-2 = 1

3-4 = R

5-6 = 0

NC = F

Silkscreen:

RSVD1 Selection

1-2 = 1

3-4 = R

5-6 = 0

NC = F

Silkscreen:

CFG2 Selection

1-2 = 1

3-4 = R

5-6 = 0

NC = F

Silkscreen:

CFG1 Selection

1-2 = 1

3-4 = R

5-6 = 0

NC = F

Silkscreen:

MODE Selection

1-2 = 1

3-4 = R

5-6 = 0

NC = F

Silkscreen:

RESET

Silkscreen:

SLP_S0#

Silkscreen:

CFG1

MODE

RSVD1

CFG2

CH1_EQ1

CH1_EQ2

CH2_EQ1

CH2_EQ2

SLP_S0#

VCC_3.3V

VCC_3.3VVCC_3.3V

VCC_3.3V VCC_3.3V

VCC_3.3V

HDR3X2 .1X.1

R16 1k

R25 1k

R15 1k

HDR3X2 .1X.1

R14 20k

HDR3X2 .1X.1

R13 1k

J10

HDR2X1 M .1

1 2

R12 1k

HDR3X2 .1X.1

HDR2X1 M .1

1 2

R11 20k

R10 1k

R9 1k

HDR3X2 .1X.1

R8 20k

R27

10k - NO POP

C16

200nF

SW1

Switch - Push Button

AA1

AA2

B1 B

R24 1k

R7 1k

R23 20k

R6 1k

HDR3X2 .1X.1

R22 1k

R5 20k

R21 1k

R4 1k

R20 20k

R3 1k

R2 20k

HDR3X2 .1X.1

R19 1k

R1 1k

R18 1k

R17 20k

PCB Construction

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Figure 4. TUSB1002 EVM Schematic (Device Control Pins)

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TUSB1002 Evaluation Module

6.2 TUSB1002 EVM Board Layout

This EVM was designed to show the implementation on a 4-layer board.

Figure 5. TUSB1002 EVM Layout Layer 1 (Top)

Figure 6. TUSB1002 EVM Layout Layer 2 (GND)

PCB Construction

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Figure 7. TUSB1002 EVM Layout Layer 3 (VCC)

Figure 8. TUSB1002 EVM Layout Layer 4 (Bottom)

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