Texas Instruments TPS25831-Q1 User Manual Download Page 11

PGND

AGND

AGND

PGND

PGND

PGND

CSP
CSN

CSN

PGND

PGND

PGND

PGND

PGND

PGND

AGND

AGND

VIN

CC1

CC2

AGND

AGND

AGND

AGND

AGND

AGND

AGND

VCC

VCC

CTL1
CTL2

CTL1

CTL2

NTC

THERM_WARN

DATA_IN_N
DATA_IN_P

VBUS

PGND

PGND

VBUS

CC2

CC1

PGND

PGND

AGND

RT

DATA_IN_N
DATA_IN_P

DATA_IN_N
DATA_IN_P

AGND

AGND

PGND

PGND

AGND

Input: 6V-36V, 3.5A

Output: 5V-6.5V 3.5A

AGND

/FAULT

/POL

/LD_DET

CC2

CC1

/FAULT

/LD_DET

/POL

VCC

AGND

VCC

CC1

CC2

PGND

PGND

PGND

DATA_IN_N

DATA_IN_P

PGND

PGND

PGND

PGND

VIN

1

VIN

2

VIN

3

EN

4

CTRL1

5

CTRL2

6

THERM_WARN

7

NTC

8

RT/SYNC

9

LS_GD

10

IMON

11

ILIM

12

CSN

13

CSP

14

BUS

15

AGND

16

DM_IN

17

DP_IN

18

CC2

19

CC1

20

VCC

21

POL

22

LD_DET

23

FAULT

24

PGND

25

PGND

26

PGND

27

SW

28

SW

29

SW

30

SW

31

BOOT

32

EP

33

AP

A1

AP

A2

AP

A3

AP

A4

TPS25831S10QWRHB

U1

2.2uF

C3

470k

t

°

RT1

0.1

µ

F

C1

DNP

0.1

µ

F

C2

0.1

µ

F

C5

0.1

µ

F

C4

0.1

µ

F

C13

DNP

0.1

µ

F

C16

10

µ

F

C9

DNP

10

µ

F

C10

DNP

10

µ

F

C11

0.22

µ

F

C14

0.22

µ

F

C17

0.22

µ

F

C18

10

µ

F

C15

1

2

J1

1715721

1

2

J2

1715721

VBUS

1

D-

2

D+

3

GND

4

5

6

J3
931

1

2

3

J4

1

2

3

J5

1

2

3

4

J6

TP17

TP4

TP3

TP10

TP1

TP12

TP11

TP2

TP16

TP5

TP13

TP14

TP15

TP6 TP7

TP8

TP9

22

µ

F

C6

22

µ

F

C7

22

µ

F

C8

0.1

µ

F

C12

0.01

R1

DNP

0

R3

20k

R5

20k

R7

0

R12

49.9k

R11

0

R14

1.00k

R18

DNP

39.2k

R19

10k

R17

10k

R24

10k

R22

10k

R23

100k

R20

100k

R21

5.1k

R29

5.1k

R27

1.0k

R26

5.62k

R15

5.62k

R16

10.0

R10

0

R9

301

R6

0.015

R4

0

R8

DNP

0

R13

DNP

15.0k

R28

DNP

15.0k

R30

DNP

0

R2

DNP

1.0k

R25

10uH

L1

9

5

1

2

3

6

7

8

N

C

4

Q1

CSD85312Q3E

GND

A1

SSTXP1

A2

SSTXN1

A3

VBUS

A4

CC1

A5

DP1

A6

DN1

A7

SBU1

A8

VBUS

A9

SSRXN2

A10

SSRXP2

A11

GND

A12

GND

B1

SSTXP2

B2

SSTXN2

B3

VBUS

B4

CC2

B5

DP2

B6

DN2

B7

SBU2

B8

VBUS

B9

SSRXN1

B10

SSRXP1

B11

GND

B12

Shield

S1

Shield

S2

Shield

S3

Shield

S4

GND

M1

GND

M2

J7

632723300011

Blue

2

1

D5

Green

2

1

D6

Red

2

1

D7

Red

2

1

D4

18V

D1

DNP

18V

D2

DNP

18V

D3

DNP

NT1

Net-Tie

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Schematic and Bill of Materials

11

SLVUBL1A – November 2018 – Revised February 2019

Submit Documentation Feedback

Copyright © 2018–2019, Texas Instruments Incorporated

TPS25831-Q1 Evaluation Module

4

Schematic and Bill of Materials

4.1

Schematic

Figure 9

show the EVM schematic.

Figure 9. TPS25831Q1EVM-062 Schematic

Space

Space

Summary of Contents for TPS25831-Q1

Page 1: ...ll of materials BOM board layout drawing and assembly drawing Contents 1 Introduction 2 2 Test Setup 2 3 Board Layout 5 4 Schematic and Bill of Materials 11 List of Figures 1 EVM Setup For Testing Buc...

Page 2: ...available on this EVM 6 V to 36 V input range 3 5 A continuous output current buck converter Forced PWM operation with spread spectrum dithering Fully AEC Q100 qualified 8 Current sense accuracy IOUT...

Page 3: ...J3 USB Type A connector plug Upstream facing USB 2 0 Type A connector Connect to the USB 2 0 host for data pass through to J7 The power pin of this connector is float J7 USB Type C connector receptac...

Page 4: ...ired within the frequency range of 400 kHz to 2 2 MHz the Rt resistor R11 value can be changed Consult the data sheet for proper selection of the Rt resistor R11 Change the inductor L1 and the total o...

Page 5: ...ry 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated TPS25831 Q1 Evaluation Module 3 Board Layout Figure 3 and Figure 4 show the top and bottom assembly Figure 5 to...

Page 6: ...Layout www ti com 6 SLVUBL1A November 2018 Revised February 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated TPS25831 Q1 Evaluation Module Figure 4 Bottom Side Ass...

Page 7: ...ti com Board Layout 7 SLVUBL1A November 2018 Revised February 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated TPS25831 Q1 Evaluation Module Figure 5 Top Layer Lay...

Page 8: ...Layout www ti com 8 SLVUBL1A November 2018 Revised February 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated TPS25831 Q1 Evaluation Module Figure 6 Middle Layer 1...

Page 9: ...com Board Layout 9 SLVUBL1A November 2018 Revised February 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated TPS25831 Q1 Evaluation Module Figure 7 Middle Layer 2...

Page 10: ...Layout www ti com 10 SLVUBL1A November 2018 Revised February 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated TPS25831 Q1 Evaluation Module Figure 8 Bottom Layer L...

Page 11: ...D 4 5 6 J3 931 1 2 3 J4 1 2 3 J5 1 2 3 4 J6 TP17 TP4 TP3 TP10 TP1 TP12 TP11 TP2 TP16 TP5 TP13 TP14 TP15 TP6 TP7 TP8 TP9 22 F C6 22 F C7 22 F C8 0 1 F C12 0 01 R1 DNP 0 R3 20k R5 20k R7 0 R12 49 9k R11...

Page 12: ...r 2 54mm 2x2 Gold TH Header 2 54 mm 2x2 TH PBC02DAAN Sullins Connector Solutions J7 1 Connector Receptacle USB Type C R A Connector Receptacle USB Type C R A THT SMT 632723300011 Wurth Elektronik L1 1...

Page 13: ...ion RHB0032R VQFN 32 RHB0032R TPS25831S10QWRHB Texas Instruments C1 C13 0 0 1 uF CAP CERM 0 1 F 50 V 10 X7R AEC Q200 Grade 1 0603 0603 C0603C104K5RACAUTO Kemet C9 C10 0 10 uF CAP CERM 10 F 50 V 20 X7R...

Page 14: ...UBL1A November 2018 Revised February 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated Revision History Revision History Changes from Original November 2018 to A Re...

Page 15: ...ther 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 tec...

Page 16: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 17: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 18: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 19: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 20: ...e resources are subject to 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 reprod...

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