background image

9 Bill of Materials

Table 9-1. EVM Components List (Based on the Schematic, See 

Figure 4-1

)

Designator

Quantity

Value

Description

Package Reference

Part Number

Manufacturer

C1, C2, C3, C4

4

22 µF

Capacitor, ceramic, 25 V, X5R, 10%

1206

GRM31CR61E226KE15L

Murata

C5

1

0.1 µF

Capacitor, ceramic, 0.1 µF 25 V 10% X5R 0402

0402

GRM155R61E104KA87D

Murata

C6, C10, C11, C12, 
C13, C14, C19, C21, 
C22, C23

10

22 µF

Capacitor, ceramic, 6.3 V, X5R, 20%

1206

GRM31CR60J226KE19L

Murata

C7

1

0.1 µF

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

0603

GRM188R71H104KA93D

Murata

C8

1

470 pF

Capacitor, ceramic, 470 pF 50 V 10% X7R 0603

0603

GRM188R71H471KA01D

Murata

C9, C17

0

Open

Capacitor, ceramic, 50 V, X7R, 10%

0603

Standard

Standard

C15, C16, C24, C27

0

Open

Capacitor, POSCAP, SMT, 2.5 V, 330 µF, 8 mΩ

7343(D)

2R5TPE330M9 or 6TPE330MIL

Sanyo

C18, C20, C25, C26

4

1 µF

Capacitor, ceramic, 1 µF 16 V 10% X7R 0603

0603

GRM188R71C105KA12J

Murata

FID1, FID2, FID3, 
FID4, FID5, FID6

0

Fiducial mark. There is nothing to buy or mount.

Fiducial

N/A

N/A

J1, J3

2

ED120/2DS

Terminal Block, 2-pin, 15-A, 5,1 mm

0.4 × 0.35 inch

ED120/2DS

OST

J2

1

PEC02SAAN

Header, Male 2-pin, 100-mil spacing,

0.1 × 2 inch

PEC02SAAN

Sullins

J4, J5, J6

3

PEC05DAAN

Header, Male 2×5-pin, 100-mil spacing

0.1 × 2 × 5 inch

PEC05DAAN

Sullins

J7

1

ED555/2DS

Terminal Block, 2-pin, 6-A, 3,5 mm

0.27 × 0.25 inch

ED555/2DS

OST

L1

1

1 µH

Inductor, Power chokes SMD

6,6 × 7,1 mm

PIMB065T-1R0MS

Cyntec

LBL1

1

Thermal transfer printable labels, 0.650 (W) × 0.2 inch (H) — 10,000 
per roll

PCB Label
0.65 (H) × 0.2 inch (W)

THT-14-423-10

Brady

R1, R2, R14, R15

4

100k

Resistor, 100 kΩ, 1%, 0.1 W, 0603

0603

CRCW0603100KFKEA

Vishay-Dale

R3

1

1 kΩ

Resistor, 1 kΩ, 1%, 0.1 W, 0603

0603

CRCW06031K00FKEA

Vishay-Dale

R4

1

300 kΩ

Resistor, 300 kΩ, 1%, 0.1 W, 0603

0603

RC0603FR-07300KL

Yageo America

R5, R8, R19

3

0

Resistor, 0 Ω, 5%, 0.1 W, 0603

0603

CRCW06030000Z0EA

Vishay-Dale

R6

1

200 kΩ

Resistor, 200 kΩ, 1%, 0.1 W, 0603

0603

CRCW0603200KFKEA

Vishay-Dale

R7

0

Open

Resistor, Chip, 1/16 W, 1%

0603

Standard

Standard

R9

1

3.01 Ω

Resistor, 3.01 Ω, 1%, 0.125 W, 0805

0805

CRCW08053R01FKEA

Vishay-Dale

R10

1

57.6 kΩ

Resistor, 57.6 kΩ, 1%, 0.1 W, 0603

0603

RC0603FR-0757K6L

Yageo America

R11

1

20.0 kΩ

Resistor, 20.0 kΩ, 1%, 0.1 W, 0603

0603

CRCW060320K0FKEA

Vishay-Dale

R12, R13

2

150 kΩ

Resistor, 150 kΩ, 1%, 0.1 W, 0603

0603

CRCW0603150KFKEA

Vishay-Dale

R16

1

1 Ω

Resistor, 1 Ω, 1%, 0.1 W, 0603

0603

CRCW06031R00FKEA

Vishay-Dale

R20, R21

2

10 kΩ

Resistor, 10 kΩ, 1%, 0.1 W, 0603

0603

CRCW060310K0FKEA

Vishay-Dale

R22

1

10 Ω

Resistor, 10 Ω, 1%, 0.1 W, 0603

0603

CRCW060310R0FKEA

Vishay-Dale

TP1, TP2, TP3, TP5, 
TP6, TP7, TP8, 
TP10, TP11, TP12, 
TP13, TP14, TP15

13

5000

Test Point, red, thru hole color keyed

0.1 × 0.1 inch

5000

Keystone

TP4, TP9

2

5001

Test point, black, thru hole color keyed

0.1 × 0.1 inch

5001

Keystone

U1

1

TPS548A20RVE

High-performance, 15-A single sync. step-down converter

TPS548A20RVE

TI

www.ti.com

Bill of Materials

SLUUBC0A – DECEMBER 2015 – REVISED AUGUST 2021

Submit Document Feedback

TPS548A20 SWIFT™ Step-Down Converter Evaluation Module User's Guide

17

Copyright © 2021 Texas Instruments Incorporated

Содержание SWIFT TPS548A20

Страница 1: ...p 8 Figure 8 1 TPS548A20EVM 587 Top Layer Assembly Drawing 13 Figure 8 2 TPS548A20EVM 587 Bottom Layer Assembly Drawing 13 Figure 8 3 TPS548A20EVM 587 Top Layer Copper 14 Figure 8 4 TPS548A20EVM 587 L...

Страница 2: ...hronous buck converter with integrated MOSFETs The device provides a fixed 1 2 V output at up to 15 A from a 12 V input bus Introduction www ti com 2 TPS548A20 SWIFT Step Down Converter Evaluation Mod...

Страница 3: ...lecommunication infrastructure 2 2 Features The TPS548A20EVM 737 features include the following 15 A DC steady state output current Support for a prebias output voltage at startup Jumper J2 for enable...

Страница 4: ...2 Load regulation VIN 12 V IO 0 A 8 A with FCCM 0 5 Output voltage ripple VIN 12 V IO 8 A with FCCM 10 mVpp Output load current 0 15 A Output over current 15 A Soft start 1 ms SYSTEMS CHARACTERISTICS...

Страница 5: ...erences in pin functions of the TPS548A20 and TPS549A20 Table 4 1 Device Pin Out Difference Summary PIN NO PIN NAMES TPS549A20 TPS548A20 26 ALERT NC 27 SDA GND1 28 SCL GND1 www ti com Schematic SLUUBC...

Страница 6: ...C12 22 F C13 22 F C14 330 F C16 22 F C1 22 F C2 22 F C3 22 F C4 330 F C24 330 F C27 DNP 1nF C17 470pF C8 3 01 R9 TP15 0 R5 0 1 F C7 TP6 TP7 TP9 300k R4 TP10 100k R15 100k R14 TP11 0 R19 1 F C25 TP14 1...

Страница 7: ...N to J1 as shown in Figure 5 2 Multimeters V1 VIN at TP1 VIN and TP4 GND V2 VOUT at TP7 VOUT and TP9 GND Output Load The output load must an electronic constant resistance mode load capable of 0 to 15...

Страница 8: ...Connect the voltmeter V1 at TP1 VIN and TP4 GND to measure the input voltage Output Connections 1 Connect the load to J3 and set the load to constant resistance mode to sink 0 ADC before VIN is appli...

Страница 9: ...tting 1 MHz For different switching frequency setting please change R3 and R4 as shown in Table 6 1 6 2 Mode Selection The MODE can be set by J5 Table 6 2 Mode Selection JUMPER SET TO MODE SELECTION 1...

Страница 10: ...isconnected to VIN pins 1 Default setting the VDD pin connected to the VIN pins through R19 For power up input J7 with proper voltage The VDD pin input voltage range is from 4 5 V to 25 V Configuratio...

Страница 11: ...7 contains a 10 series resistor in the feedback loop for loop response analysis 1 Set up the EVM as described in Section 5 and Figure 5 2 2 Connect the isolation transformer to the test points marked...

Страница 12: ...Input A for loop injection TP9 PGND Power ground TP10 RF RF pin TP11 TRIP TRIP pin TP12 EN Enable pin TP13 VDD VDD pin TP14 MODE MODE pin TP15 AGND Analog ground 7 4 Equipment Shutdown Follow these st...

Страница 13: ...8 The EVM has been designed using a six layer 2 oz copper circuit board Figure 8 1 TPS548A20EVM 587 Top Layer Assembly Drawing Figure 8 2 TPS548A20EVM 587 Bottom Layer Assembly Drawing www ti com EVM...

Страница 14: ...48A20EVM 587 Layer Two Copper EVM Assembly Drawing and PCB Layout www ti com 14 TPS548A20 SWIFT Step Down Converter Evaluation Module User s Guide SLUUBC0A DECEMBER 2015 REVISED AUGUST 2021 Submit Doc...

Страница 15: ...48A20EVM 587 Layer Four Copper www ti com EVM Assembly Drawing and PCB Layout SLUUBC0A DECEMBER 2015 REVISED AUGUST 2021 Submit Document Feedback TPS548A20 SWIFT Step Down Converter Evaluation Module...

Страница 16: ...8A20EVM 587 Bottom Layer Copper EVM Assembly Drawing and PCB Layout www ti com 16 TPS548A20 SWIFT Step Down Converter Evaluation Module User s Guide SLUUBC0A DECEMBER 2015 REVISED AUGUST 2021 Submit D...

Страница 17: ...l transfer printable labels 0 650 W 0 2 inch H 10 000 per roll PCB Label 0 65 H 0 2 inch W THT 14 423 10 Brady R1 R2 R14 R15 4 100k Resistor 100 k 1 0 1 W 0603 0603 CRCW0603100KFKEA Vishay Dale R3 1 1...

Страница 18: ...on A August 2021 Page Updated the numbering format for tables figures and cross references throughout the document 2 Updated user s guide title 2 Revision History www ti com 18 TPS548A20 SWIFT Step Do...

Страница 19: ...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...

Страница 20: ...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...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ...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...

Отзывы: