background image

1.1V

REGULATOR

3.3V

REGULATOR

DOWNSTREAM PORT POWER SWITCHES

5V INPUT

SILKSCREEN: TIP +5v

DN1_VBUS

1P1V_FB

1P1V_SS

PWRON1_BATEN1

PWRON2_BATEN2

DN2_VBUS

PWRON3_BATEN3

DN3_VBUS

PWRON4_BATEN4

DN4_VBUS

BOARD_5V

BOARD_1P1V

BOARD_3P3V

BOARD_3P3V

BOARD_5V

BOARD_3P3V

BOARD_3P3V

BOARD_5V

BOARD_3P3V

BOARD_5V

BOARD_3P3V

BOARD_5V

BOARD_5V

DN1_VBUS

2

OVERCUR1Z_TDI

1

PWRON1_BATEN1

1

PWRON2_BATEN2

1

DN2_VBUS

2

OVERCUR2Z_TMS

1

PWRON3_BATEN3

1

DN3_VBUS

2

OVERCUR3Z_TCK

1

PWRON4_BATEN4

1

DN4_VBUS

2

R30
330

0402

C75

0.1uF

D4
LED Green 0805

R37
330

0402

R35
330

0402

D5

R26
10K

0402

C68
10uF

C67
10uF

D8

D7

C66

0.1uF

U8

TPS2001C

GND

1

IN

2

IN

3

EN

4

OUT

7

OUT

8

OUT

6

PAD

9

FLT

5

R32
NOPOP

U10

TPS2001C

GND

1

IN

2

IN

3

EN

4

OUT

7

OUT

8

OUT

6

PAD

9

FLT

5

+

C79
150uF

+

C76
150uF

R31
330

0402

C73
10uF

C80

0.1uF

T

S

J6

2.1mm x 5.5mm

1

2
3

C77

0.1uF

+

C70
150uF

R34
4.99K

0402

D6

SW3

U7

TPS2001C

GND

1

IN

2

IN

3

EN

4

OUT

7

OUT

8

OUT

6

PAD

9

FLT

5

R36
10K

0402

R29
10K

0402

+

C71
150uF

C69

0.1uF

U4

TPS7A4533

GND

6

IN

2

GND

3

SENSE

5

OUT

4

SHDN/

1

C72

0.1uF

C74
10uF

R33
1.87K

0402

U9

TPS2001C

GND

1

IN

2

IN

3

EN

4

OUT

7

OUT

8

OUT

6

PAD

9

FLT

5

R27
10K

0402

C81

0.1uF

C78

0.1uF

U6

TPS74801RGW

IN1

5

GN

D

12

FB

16

OUT1

1

EN

11

IN2

6

IN3

7

IN4

8

GN

D

21

OUT2

18

OUT3

19

OUT4

20

NC1

2

NC2

3

NC3

4

NC4

13

NC5

14

NC6

17

S

S

15

PG

9

BIAS

10

C82
10uF

R28
330

0402

C61
10uF

Copyright © 2017, Texas Instruments Incorporated

www.ti.com

Appendix B

11

SLLU261A – April 2017 – Revised February 2019

Submit Documentation Feedback

Copyright © 2017–2019, Texas Instruments Incorporated

TUSB8044RGC REVD EVM Schematics

Figure 4. Power

Summary of Contents for TUSB8044RGC

Page 1: ...device enumerated on a virtual downstream port This EVM is intended for use in evaluating system compatibility developing optional EEPROM firmware and validating interoperability This EVM also acts as a hardware reference design for any implementation of the TUSB8044 Contents 1 Introduction 2 2 Hardware Overview 3 3 Hardware Setup 5 Appendix A TUSB8044RGC REVD EVM Bill of Materials 7 Appendix B TU...

Page 2: ...EVM can be provided to illustrate techniques used to route the differential pairs use of split power planes placement of filters and other critical components and methods used to achieve length matching of critical signals NOTE The EVM accommodates various lab test components actual production implementations can be much smaller Figure 1 illustrates the TUSB8044RGC EVM top layer layout Figure 1 TU...

Page 3: ...ipped with five standard 9 pin USB 3 0 port connectors One of these five connectors J1 is a Type B connector designed to interface with an upstream USB host or hub The remaining connectors J2 J3 J4 and J5 are Type A connectors for connection to downstream devices or hubs Standard size connectors were used on the EVM design but USB micro connectors can be used if desired The USB ports can be attach...

Page 4: ...st 2 6 Power The TUSB8044 EVM operates from the power provided by a 5 V wall power adapter J6 not bus power supplied by a USB host TI recommends to use a wall power adapter that is capable of sourcing 2 to 3 A because the hub must be able to source significant power on its downstream ports 900 mA per port The TUSB8044 EVM uses a single channel LDO voltage regulator to drop 5 V to 3 3 V The TPS7A45...

Page 5: ...SB battery charging mode on Port 4 is disabled by default If the switch is set to the ON position the terminal is pulled high and battery charging is enabled on downstream port 4 SW2_1 SW2_7 Off AUTOENZ_PD BB_bmConfig1_PD Switch When configured for I2 C mode this pin along with BBbmConfigured0 directly controls the bmConfigurated field in the Billboard Capability descriptor If SMBus is selected th...

Page 6: ... clock terminal for test purposes 3 2 EVM Installation To install the EVM perform the following steps 1 Attach a 5 V 3 A wall power source to J6 2 Turn on switch SW3 LED D4 should be lit 3 Attach a USB cable between J3 and a USB host LEDs D1 D5 D6 D7 and D8 should be lit 3 3 Troubleshooting Case 1 Device function or functions are banged out in Device Manager Make sure that the latest updates are i...

Page 7: ...5A180JAT2A 402 CAP CERM 18PF 5 50V NP0 0402 9 9 C18 C31 C35 C61 C67 C68 C73 C7 4 C82 10uF Murata Electronics GRM31CR61C106KA88L 1206 CAPACITOR CERM 10UF 16V 10 SMD 10 4 C70 C71 C76 C79 150uF Kemet T495D157K010ATE100 Tantalum 7343 CAP TANT 150UF 10V 10 LOESR SMD 11 0 R10 R32 R42 R43 R44 R45 NOPOP 402 12 6 D1 D4 D5 D6 D7 D8 LED Green 0805 Lite On LTST C171GKT 805 LED GREEN CLEAR THIN 0805 SMD 13 0 D...

Page 8: ...POS TIN 31 4 U7 U8 U9 U10 TPS2001C Texas Instruments TPS2001CDGN 8DGN IC PWR SW USB 2 87A 1CH 8MSOP 32 1 U4 TPS7A4533 3 3V Voltage Regulator Texas Instruments TPS7A4533KTT DDPAK 5 IC REG LDO 3 3V 1 5A 5 DDPAK 33 1 U6 TPS74801RGW 1 1V Voltage Regulator Texas Instruments TPS74801RGW 20VQFN IC REG LDO ADJ 1 5A 20VQFN 34 1 Y1 ECS 24MHZ Crystal ECS ECS 240 20 30B TR 5 0mm x 3 2mm CRYSTAL 24 000 MHZ 20P...

Page 9: ... 3 FB1 220 100MHZ C8 0 1uF R3 10K 0402 C14 0 1uF C4 0 1uF C31 10uF R47 1K C20 0 01uF C16 0 01uF D2 LED DNI R21 9 53K C22 0 001uF FB2 220 100MHZ C1 18pF R2 90 9K 0402 C26 0 01uF C19 0 001uF C13 0 01uF J8 Header 1x2 1 2 C34 0 1uF R11 1K 0402 C6 0 001uF C25 0 001uF R38 1K R7 4 7K 0402 SW2 8 POS 50 MIL SMT 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 C12 0 001uF SW1 8 POS 50 MIL SMT 1 2 3 4 5 6 7 8 16 15 14...

Page 10: ...NECTOR VBUS 1 DM 2 DP 3 GND 4 SSRXN 5 SSRXP 6 GND 7 SSTXN 8 SSTXP 9 SHIELD0 10 SHIELD1 11 C42 0 1uF 0201 C43 0 1uF 0201 C50 0 1uF C46 0 1uF FB6 220 100MHZ C40 0 1uF C47 0 001uF R15 1M 0402 C58 0 1uF R17 1M 0402 C39 0 001uF R20 1M 0402 C48 0 1uF C44 0 1uF 0201 C37 0 1uF 0201 J3 USB3_TYPEA_CONNECTOR VBUS 1 DM 2 DP 3 GND 4 SSRXN 5 SSRXP 6 GND 7 SSTXN 8 SSTXP 9 SHIELD0 10 SHIELD1 11 J2 USB3_TYPEA_CONN...

Page 11: ...GND 1 IN 2 IN 3 EN 4 OUT 7 OUT 8 OUT 6 PAD 9 FLT 5 C79 150uF C76 150uF R31 330 0402 C73 10uF C80 0 1uF T S J6 2 1mm x 5 5mm 1 2 3 C77 0 1uF C70 150uF R34 4 99K 0402 D6 SW3 U7 TPS2001C GND 1 IN 2 IN 3 EN 4 OUT 7 OUT 8 OUT 6 PAD 9 FLT 5 R36 10K 0402 R29 10K 0402 C71 150uF C69 0 1uF U4 TPS7A4533 GND 6 IN 2 GND 3 SENSE 5 OUT 4 SHDN 1 C72 0 1uF C74 10uF R33 1 87K 0402 U9 TPS2001C GND 1 IN 2 IN 3 EN 4 O...

Page 12: ...y 2019 Submit Documentation Feedback Copyright 2017 2019 Texas Instruments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Original April 2017 to A Revision Page 1 ...

Page 13: ...o change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for and you will fully indemn...

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