Texas Instruments TPS25831-Q1 User Manual Download Page 13

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Schematic and Bill of Materials

13

SLVUBL1A – November 2018 – Revised February 2019

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TPS25831-Q1 Evaluation Module

Table 5. Bill of Materials (continued)

Designator

Qty

Value

Description

Package Reference

Part Number

Manufacturer

TP1, TP2, TP3, TP4, TP5,

TP10, TP11, TP12, TP13,

TP14, TP15, TP16, TP17

13

Test Point, Miniature, SMT

Testpoint_Keystone_Miniature

5015

Keystone

TP6, TP7, TP8, TP9

4

Test Point, Compact, SMT

Testpoint_Keystone_Compact

5016

Keystone

U1

1

USB Type-C and BC1.2 5 V 3.5 A Output, 36-V Input Synchronous Buck

with Cable Compensation, RHB0032R (VQFN-32)

RHB0032R

TPS25831S10QWRHB

Texas Instruments

C1, C13

0

0.1 uF

CAP, CERM, 0.1 µF, 50 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

C0603C104K5RACAUTO

Kemet

C9, C10

0

10 uF

CAP, CERM, 10 µF, 50 V,+/- 20%, X7R, AEC-Q200 Grade 1, 1210

1210

UMJ325KB7106MMHP

Taiyo Yuden

D1, D2, D3

0

18 V

Diode, TVS, Uni, 18 V, 28.3 Vc, AEC-Q101, SMA

SMA

SMA6J18AHM3/5A

Vishay-

Semiconductor

FID1, FID2, FID3, FID4,

FID5, FID6

0

Fiducial mark. There is nothing to buy or mount.

N/A

N/A

N/A

R1

0

RES, 0.01, 1%, 0.1 W, 0603

0603

WSL0603R0100FEA

Vishay-Dale

R2

0

RES, 0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

RMCF0603ZT0R00

Stackpole Electronics

Inc

R8, R13

0

RES, 0, 1%, 0.5 W, 1206

1206

5108

Keystone

R18

0

1.00 k

RES, 1.00 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW06031K00FKEA

Vishay-Dale

R28, R30

0

15.0 k

RES, 15.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW060315K0FKEA

Vishay-Dale

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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