Texas Instruments TPS65295 User Manual Download Page 14

Board Profile, Schematic, List of Materials and Reference

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14

SLUUC02 – February 2019

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TPS65295EVM-079, 4.5-V to 18-V

IN

, complete DDR4 power solution evaluation

module

5.3

List of Materials

Table 5

displays the TPS65295EVM-079 bill of materials.

Table 5. List of Materials

DESIGNATOR

QUANTITY

DESCRIPTION

PART NUMBER

MANUFACTURER

PCB

1

Printed Circuit Board

BSR079

C1

1

Capacitor, ceramic, 1 µF, 25 V, ±10%, X7R, 0603

C1608X7R1E105K080AB

TDK

C2, C10, C11, C12, C13, C14

6

Capacitor, ceramic, 22 µF, 10 V, ±10%, X7R, 1206

GRM31CR71A226KE15L

MuRata

C3, C15, C16

3

Capacitor, ceramic, 10 µF, 10 V, ±10%, X7R, 1206

GRM31CR71A106KA01L

MuRata

C4, C5, C9

3

Capacitor, ceramic, 0.1 µF, 50 V, ±10%, X7R, 0603

C1608X7R1H104K080AA

TDK

C6, C7, C8

3

Capacitor, ceramic, 10 µF, 35 V, ±20%, X5R, 1206

C3216X5R1V106M160AB

TDK

C17

1

Capacitor, ceramic, 0.47 µF, 50 V, ±10%, X7R, 0603

C1608X7R1H474K080AC

TDK

C18, C19

2

Capacitor, ceramic, 0.01 µF, 50 V, ±5%, X7R, 0603

C0603C103J5RACTU

Kemet

H1, H2, H3, H4

4

Bumpon, hemisphere, 0.44 X 0.20, Clear

SJ-5303 (CLEAR)

3M

J1, J6

2

Header, 100mil, 2x1, tin, TH, 2 PIN

PEC02SAAN

Sullins Connector Solutions

J2, J3, J7, J8, J9

5

Terminal block, 3.5 mm pitch, 2x1, TH

ED555/2DS

On-Shore Technology

J4, J5

2

Terminal block, 5.08 mm, 2x1, Brass, TH

ED120/2DS

On-Shore Technology

J10, J11

2

Header, 100 mil, 3x1, Gold, TH

PBC03SAAN

Sullins Connector Solutions

L1

1

Inductor, shielded drum core, ferrite, 4.7 µH, 2.2 A, 0.045

Ω

, SMD

74408943047

Wurth Elektronik

L2

1

Inductor, shielded drum core, Superflux, 680 nH, 17 A, 0.0035 ohm,
SMD

744311068

Wurth Elektronik

R1

1

Resistor, 5.1

Ω

, 5%, 0.1 W, 0603

CRCW06035R10JNEA

Vishay-Dale

R2

1

Resistor, 0

Ω

, 5%, 0.1 W, 0603

RC0603JR-070RL

Yageo

R3, R4, R5, R6, R7

5

Resistor, 100 k

Ω

, 5%, 0.1 W, 0603

CRCW0603100KJNEA

Vishay-Dale

SH-J1, SH-J2, SH-J3, SH-J4

4

Shunt, 100 mil, gold plated, black, 1x2

SNT-100-BK-G

Samtec

TP1, TP3, TP7, TP8, TP15,
TP16, TP19, TP22, TP23, TP24

10

Test point, miniature, white, TH

5002

Keystone

TP2, TP4, TP9, TP10, TP12, TP14

6

Terminal, turret, TH, triple

1598-2

Keystone

TP5, TP6, TP11, TP13,
TP17, TP18, TP20, TP21

8

Test point, miniature, black, TH

5001

Keystone

U1

1

Complete DDR4 memory power solution, RJE0018B (VQFN-HR-18)

TPS65295RJER

Texas Instruments

FID1, FID2, FID3

0

Fiducial mark. There is nothing to buy or mount

Notes: Unless otherwise noted in the Alternate PartNumber and/or Alternate Manufacturer columns, all parts may be substituted with equivalents.

5.4

Reference

1.

TPS65295, 4.5-18Vin, Complete DDR4 Synchronous Step-Down Voltage Regulator

Datasheet (

SLUSDK5

)

Summary of Contents for TPS65295

Page 1: ...Response 5 3 5 Output Voltage Ripple 6 3 6 Power Up 7 3 7 Power Down 7 4 Board Layout 8 5 Board Profile Schematic List of Materials and Reference 11 5 1 Board Profile 11 5 2 Schematic 13 5 3 List of M...

Page 2: ...T at high Z in S3 and discharging VDDQ VTT and VTTREF in S4 S5 state OVP UVP OCP UVLO and thermal shutdown protections are also available The part is available in a thermally enhanced 18 pin HotRod VQ...

Page 3: ...M 079 4 5 V to 18 VIN complete DDR4 power solution evaluation module 3 Test Setup and Results This section describes how to properly connect set up and use the TPS65295EVM 079 The section also include...

Page 4: ...enable SLP_S4 pin J11 VTT enable VTT_CNTL pin Buck converter outputs are white and have a label for each location Close to any of these test points there are black ground test points to allow for DVM...

Page 5: ...voltage to J2 and J4 If PVIN_VPP and VCC_5V share same power supply apply the power at J4 first and then apply J2 If PVIN_VPP and VCC_5V don t share same power supply apply the power at J4 and J2 firs...

Page 6: ...Instruments Incorporated TPS65295EVM 079 4 5 V to 18 VIN complete DDR4 power solution evaluation module 3 5 Output Voltage Ripple The TPS65295EVM 079 output voltage ripple is shown in Figure 4 and Fi...

Page 7: ...ted TPS65295EVM 079 4 5 V to 18 VIN complete DDR4 power solution evaluation module 3 6 Power Up The TPS65295EVM 079 power up waveform relative to SLP_S4 is shown in Figure 6 Figure 6 TPS65295EVM 079 P...

Page 8: ...routing should be as short as possible to minimize EMI and should be a width plane to carry big current enough vias should be added to the PGND connection of output capacitor and also as close to the...

Page 9: ...t 9 SLUUC02 February 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS65295EVM 079 4 5 V to 18 VIN complete DDR4 power solution evaluation module Figure 9 Top Layer...

Page 10: ...0 SLUUC02 February 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS65295EVM 079 4 5 V to 18 VIN complete DDR4 power solution evaluation module Figure 11 Inner2 Laye...

Page 11: ...ntation Feedback Copyright 2019 Texas Instruments Incorporated TPS65295EVM 079 4 5 V to 18 VIN complete DDR4 power solution evaluation module 5 Board Profile Schematic List of Materials and Reference...

Page 12: ...SLUUC02 February 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS65295EVM 079 4 5 V to 18 VIN complete DDR4 power solution evaluation module Figure 14 is the bottom...

Page 13: ...C02 February 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS65295EVM 079 4 5 V to 18 VIN complete DDR4 power solution evaluation module 5 2 Schematic Figure 15 is...

Page 14: ...J8 J9 5 Terminal block 3 5 mm pitch 2x1 TH ED555 2DS On Shore Technology J4 J5 2 Terminal block 5 08 mm 2x1 Brass TH ED120 2DS On Shore Technology J10 J11 2 Header 100 mil 3x1 Gold TH PBC03SAAN Sulli...

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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