manualshive.com logo in svg

Texas Instruments TPS548A28, Руководство пользователя, Страница: 15 / 25

Поделиться
Скачать
Texas Instruments TPS548A28 Скачать руководство пользователя страница 15

www.ti.com

Schematic, List of Materials, and Layout

15

SLVUBO0A – March 2020 – Revised May 2020

Submit Documentation Feedback

Copyright © 2020, Texas Instruments Incorporated

Using the TPS54JA20EVM-023 12-A, Buck Converter Evaluation Module

3.2

List of Materials

Table 6

presents the List of materials for the TPS54JA20EVM.

Table 6. TPS54JA20EVM List of Materials

DES

QTY

DESCRIPTION

PART NUMBER

MANUFACTURER

C2

1

CAP, AL, 330 uF, 25 V, +/- 20%, 0.15 ohm, SMD, 330uF

EEE-FC1E331P

Panasonic

C5, C6,
C21, C22

4

CAP, CERM, 22 uF, 25 V, +/- 20%, X6S, 1206_190

GRM31CC81E226ME
11L

MuRata

C7, C8,
C32

3

CAP CER 1UF 25V X6S 0402

GRM155C81E105KE
11D

Murata

C9

1

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

CGA3E2X7R1H104K
080AA

TDK

C10

1

CAP, CERM, 2.2 uF, 10 V, +/- 10%, X7R, 0603

GRM188R71A225KE
15D

MuRata

C11, C24

2

CAP, CERM, 0.1 uF, 6.3 V, +/- 10%, X7R, 0402

GRM155R70J104KA0
1D

MuRata

C12, C13,
C14, C25,
C26, C27

6

CAP, CERM, 47 uF, 6.3 V, +/- 10%, X6S, 1206

GRM31CC80J476KE
18L

MuRata

C19

1

CAP, CERM, 0.22 uF, 16 V, +/- 10%, X7R, 0603

C1608X7R1C224K08
0AC

TDK

C20

1

CAP, CERM, 0.022 uF, 16 V, +/- 10%, X7R, 0603

C0603C223K4RACTU Kemet

L1

1

Inductor, Shielded, Composite, 800 nH, 25.8 A, 0.00208
ohm, SMD

XAL7070-801MEB

Coilcraft

R1, R17

2

RES, 0, 1%, 0.5 W, 1206

5108

Keystone

R2, R7,
R11

3

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

RMCF0603ZT0R00

Stackpole Electronics
Inc

R3, R12

2

RES, 30.1 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW060330K1FKE
A

Vishay-Dale

R4

1

RES, 20.0 k, 0.1%, 0.1 W, 0603

RT0603BRD0720KL

Yageo America

R5

1

RES, 4.99 k, 1%, 0.1 W, 0603

RC0603FR-074K99L

Yageo

R6

1

RES, 17.8 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW060317K8FKE
A

Vishay-Dale

R8

1

RES, 10.0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW060310R0FKE
A

Vishay-Dale

R9, R10

2

RES, 10.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW060310K0FKE
A

Vishay-Dale

R13

1

RES, 60.4 k, 1%, 0.1 W, 0603

RC0603FR-0760K4L

Yageo

R14

1

RES, 121 k, 1%, 0.1 W, 0603

RC0603FR-07121KL

Yageo

R15

1

RES, 243 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

CRCW0603243KFKE
A

Vishay-Dale

U1

1

4-V to 16-V Input, 12-A Single Synchronous Step-Down
Converter, RWW0021A (VQFN-HR-21)

TPS54JA20RWWT

Texas Instruments

Содержание TPS548A28

Страница 1: ...Efficiency 6 2 4 Load Regulation 8 2 5 Load Transients 9 2 6 Loop Characteristics 10 2 7 Output Voltage Ripple 11 2 8 Powering Up 12 3 Schematic List of Materials and Layout 13 3 1 Schematic 14 3 2 Li...

Страница 2: ...ry Rated input voltage and output current ranges for the evaluation module are given in Table 1 1 1 Background The EVM is setup to allow the user to evaluate the performance of the TPS54JA20 IC and ea...

Страница 3: ...16 V 0 12 12 A Internal LDO Voltage 3 0 V Line regulation VIN 4 V to 16 V IO 12 A 0 07 Load regulation VIN 12 V IO 0 A to 12 A 0 12 Load transient response IO 3 A to 9 A 2 A us Voltage change 50 mV Re...

Страница 4: ...p Mode 121k 10 to AGND Short Pins 5 and 6 1000 kHz Forced CCM 60 4k 10 to AGND Short Pins 7 and 8 800 kHz Forced CCM 30 1k 10 to AGND Short Pins 9 and 10 600 kHz Forced CCM Short to AGND Short Pins 11...

Страница 5: ...VOUT as the ground reference Table 5 TPS54JA20EVM EVM Connectors and Test Points REFERENCE DESIGNATOR FUNCTION J1 VIN input voltage connector see Table 1 for VIN range J2 PGND connection for input J3...

Страница 6: ...S54JA20EVM 023 12 A Buck Converter Evaluation Module 2 3 Efficiency The efficiency of this EVM peaks at a load current of about 6 A and then decreases as the load current increases toward full load Th...

Страница 7: ...80 90 100 Vout 2 5 V 800 kHz 800 nH VCC Int Skip D022 Vin 8 V Vin 12 V Vin 16 V www ti com Test Setup and Results 7 SLVUBO0A March 2020 Revised May 2020 Submit Documentation Feedback Copyright 2020 Te...

Страница 8: ...2 511 2 514 2 517 800 kHz 800 nH FCCM VCC Int D024 Vin 8 V Vin 12 V Vin 16 V Test Setup and Results www ti com 8 SLVUBO0A March 2020 Revised May 2020 Submit Documentation Feedback Copyright 2020 Texa...

Страница 9: ...Buck Converter Evaluation Module 2 5 Load Transients Figure 8 and Figure 9 show how the TPS54JA20EVM response to load transients The current step is from 25 to 75 Load The current step slew rate is 2...

Страница 10: ...t 12 A D018 Gain Phase Test Setup and Results www ti com 10 SLVUBO0A March 2020 Revised May 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated Using the TPS54JA20EVM 023...

Страница 11: ...23 12 A Buck Converter Evaluation Module 2 7 Output Voltage Ripple Figure 11 Figure 12 and Figure 13 show the TPS54JA20EVM output voltage ripple VIN 12 V The ripple voltage is measured directly across...

Страница 12: ...rt up waveforms for the TPS54JA20EVM In Figure 14 the start up sequence begins as soon as the EN voltage is increased above the enable threshold voltage and the output voltage ramps up to the external...

Страница 13: ...0 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated Using the TPS54JA20EVM 023 12 A Buck Converter Evaluation Module 3 Schematic List of Materials and Layout This section pro...

Страница 14: ...UBO0A March 2020 Revised May 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated Using the TPS54JA20EVM 023 12 A Buck Converter Evaluation Module 3 1 Schematic The followi...

Страница 15: ...C80J476KE 18L MuRata C19 1 CAP CERM 0 22 uF 16 V 10 X7R 0603 C1608X7R1C224K08 0AC TDK C20 1 CAP CERM 0 022 uF 16 V 10 X7R 0603 C0603C223K4RACTU Kemet L1 1 Inductor Shielded Composite 800 nH 25 8 A 0 0...

Страница 16: ...lane The internal layer 2 contains an additional large ground copper area as well as an additional VOUT copper fill The bottom layer is another ground plane with two additional traces for the output v...

Страница 17: ...O0A March 2020 Revised May 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated Using the TPS54JA20EVM 023 12 A Buck Converter Evaluation Module Figure 16 TPS54JA20EVM Top...

Страница 18: ...A March 2020 Revised May 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated Using the TPS54JA20EVM 023 12 A Buck Converter Evaluation Module Figure 18 TPS54JA20EVM Intern...

Страница 19: ...dback Copyright 2020 Texas Instruments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Original...

Страница 20: ...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 21: ...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 22: ...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 23: ...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 24: ...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 25: ...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...

Отзывы:

Нет отзывов