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Texas Instruments TPS65251 User Manual Download Page 10

7 Bill of Materials

Table 7-1. Bill of Materials

ITEM

QUANTITY DESIGNATOR

VALUE

FOOTPRINT

MANUFACTURER

MANUFACTURER

PART NO.

DESCRIPTION

COMMENT

1

9

C1, C2, C3,
C4, C5, C6,

C25, C28, C29

4.7 nF

603

Panasonic -ECG

ECJ-1VB1H472K

4700PF 50V

X7R 0603

Ceramic capacitor

2

3

C7, C8, C24

47 nF

603

Panasonic -ECG

ECJ-1VF1H473Z

47000PF 50V

Y5V 0603

Ceramic capacitor

3

3

C9, C10, C17

10 µF

1206

Panasonic -ECG

ECJ-3YB1E106M

10UF 25V X5R

1206

Ceramic capacitor

4

3

C11, C12, C16

22 µF

1210

Panasonic -ECG

ECJ-4YB1E226M

22UF 25V X5R

1210

Ceramic capacitor

5

3

C13, C15, C18

470 pF

603

Panasonic -ECG

ECJ-1VB2A471K

470PF 100V

X7R 0603

Ceramic capacitor

6

3

C14, C19, C20

DNI

603

Capacitor

7

1

C26

10 µF

805

Panasonic -ECG

ECJ-2FB1A106K

10UF 10V X5R

0805

Ceramic capacitor

8

1

C27

3.3 µF

603

TDK

C1608X5R1A335K

3.3UF 10V X5R

0603

Ceramic capacitor

9

1

C30

10 µF

1206

Panasonic -ECG

ECJ-3YB1E106M

10UF 25V, X5R

1206

Ceramic capacitor

10

1

J1

TB_3X3.5MM

OnShoreTechnology Inc

ED555/3DS

Terminal,

3 pin, 6 A,

3.5 mm

VOUT1

11

1

J2, J3, J6

TB_2X3.5MM

OnShoreTechnology Inc

ED555/2DS

Terminal,

2 pin, 6 A,

3.5 mm

TBLK_6A_2X3.5MM

12

3

JP1, JP5, JP6

JMP0.2

Mil-Max

800-10-064-10-0010

00

SIP HEADER

STRAIGHT

PCB

JUMPER 2 PIN

13

3

JP2, JP3, JP4

JMP0.3

Mil-Max

800-10-064-10-0010

00

SIP HEADER

STRAIGHT

PCB

JUMPER 2 PIN

14

3

L1, L2, L3

4.7 µH

IND_SLF7055

TDK Corporation

SLF7055T-4R7N3R

1-3PF

Magnetic-Core

Inductor

TDK-SLF7055

15

2

R1, R18

100 kΩ

603

Panasonic -ECG

ERA-3AEB104V

RES 100 kΩ

1/10 W .1%

0603 SMD

Resistor

16

3

R3, R5, R17

20 kΩ

603

Panasonic -ECG

ERA-3YEB203V

RES 20 kΩ

1/10 W .1%

0603 SMD

Resistor

17

2

R4, R16

150 kΩ

603

Panasonic -ECG

ERJ-3EKF1503V

RES 150 kΩ

1/10 W 1%

0603 SMD

Resistor

18

1

R7

383 kΩ

603

Panasonic -ECG

ERJ-3EKF3833V

RES 383 kΩ

1/10 W 1%

0603 SMD

Resistor

19

1

R8

DNI

603

Panasonic -ECG

ERJ-3GEY0R00V

RES ZERO Ω

1/10 W 5%

0603 SMD

Resistor

20

3

R9, R11, R20

360 kΩ

603

Panasonic -ECG

ERJ-3EKF3603V

RES 360 kΩ

1/10 W 1%

0603 SMD

Res1

21

3

R10, R19, R21

49.9 Ω

603

Susumu Co Ltd

RR0816Q-49R9-

D-68R

RES 49.9 Ω

1/16 W .5%

0603 SMD

Res1

22

1

R12

715 kΩ

603

Panasonic -ECG

ERJ-3EKF7153V

RES 715 kΩ

1/10 W 1%

0603 SMD

Resistor

23

1

R13

115 kΩ

603

Panasonic -ECG

ERJ-3EKF1153V

RES 115 kΩ

1/10 W 1%

0603 SMD

Resistor

24

1

R15

287 kΩ

603

Panasonic -ECG

ERJ-3EKF2873V

RES 287 kΩ

1/10 W 1%

0603 SMD

Resistor

Bill of Materials

www.ti.com

10

TPS65251 Buck Converter Evaluation Module User's Guide

SLVU399B – AUGUST 2010 – REVISED MAY 2021

Submit Document Feedback

Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for TPS65251

Page 1: ...tion and Jumper Placement 7 5 2 Jumpers 8 5 3 Test Points and Placement 8 6 Power Up Procedure 9 7 Bill of Materials 10 8 Revision History 11 Trademarks All trademarks are the property of their respec...

Page 2: ...65251 PMIC as well as the support documentation including schematic and bill of materials Introduction www ti com 2 TPS65251 Buck Converter Evaluation Module User s Guide SLVU399B AUGUST 2010 REVISED...

Page 3: ...Output Current Summary EVM TEST CONDITIONS OUTPUT CURRENT RANGE TPS65251EVM VIN 4 5 V to 13 V fsw 500 kHz Buck1 1 2 V 3 A Buck2 1 8 V 2 A Buck3 3 3 V 2 A 25 C ambient This evaluation module is designe...

Page 4: ...se of gains phase measurements R10 R19 and R21 0 on the EVM need to be replaced by suitable low value resistors as per the network analyzer setup required Test points are provided on either end of the...

Page 5: ...TP2 GND TP12 VOUT2 TP5 VOUT1 TP10 FB1A TP16 FB2A TP8 FB3A TP4 VOUT3 TP33 V3V JP1 GND GND GND TP28 TP29 TP27 1 2 3 J1 VOUT1 GND GND 4 7uH L2 TDK SLF7055 4 7uH L1 TDK SLF7055 VOUT1 VOUT2 VOUT3 PGOOD 1...

Page 6: ...ure 4 1 Placement Top Layer Placement Top Layer www ti com 6 TPS65251 Buck Converter Evaluation Module User s Guide SLVU399B AUGUST 2010 REVISED MAY 2021 Submit Document Feedback Copyright 2021 Texas...

Page 7: ...P SYNC Figure 5 1 Headers Description and Jumper Placement Test points Black GND White Each output feed back power good and VIN All marking on PCB www ti com Bench Test Setup Conditions SLVU399B AUGU...

Page 8: ...r must be fitted 5 3 Test Points and Placement Buck converter outputs are red and have a label for easy location Close to any of these test points there are black ground test points to allow for DVM m...

Page 9: ...are powered up by the output voltages The whole start up process will take around 100 ms PGOOD will be asserted after 1 s 4 Apply loads to the output connectors 5 For low power and SYNC operation remo...

Page 10: ...00 10 064 10 0010 00 SIP HEADER STRAIGHT PCB JUMPER 2 PIN 13 3 JP2 JP3 JP4 JMP0 3 Mil Max 800 10 064 10 0010 00 SIP HEADER STRAIGHT PCB JUMPER 2 PIN 14 3 L1 L2 L3 4 7 H IND_SLF7055 TDK Corporation SLF...

Page 11: ...MINI 040 D WHITE Glass Beaded Test Point 28 1 U1 QFN 40 TI TPS65251 8 Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Revisio...

Page 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...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 reproduction and...

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