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SBVU056 – December 2019

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TPS7A54EVM-031 Evaluation Module

User's Guide

SBVU056 – December 2019

TPS7A54EVM-031 Evaluation Module

This user’s guide describes the operational use of the TPS7A54EVM-031 evaluation module (EVM) as a
reference design for engineering demonstration and evaluation of the TPS7A54EVM-031, low-dropout
linear regulator (LDO). Included in this user’s guide are setup and operating instructions, thermal and
layout guidelines, a printed-circuit board (PCB) layout, a schematic diagram, and a bill of materials (BOM).

Throughout this document, the terms

demonstration kit

,

evaluation board

,

EVM

, and

evaluation module

are synonymous with the TPS7A54EVM-031.

The following related documents are available through the Texas Instruments web site at

www.ti.com

.

Table 1. Related Documentation

Device

Literature Number

TPS7A54-Q1

SBVS312

Summary of Contents for TPS7A54EVM-031

Page 1: ...valuation of the TPS7A54EVM 031 low dropout linear regulator LDO Included in this user s guide are setup and operating instructions thermal and layout guidelines a printed circuit board PCB layout a schematic diagram and a bill of materials BOM Throughout this document the terms demonstration kit evaluation board EVM and evaluation module are synonymous with the TPS7A54EVM 031 The following relate...

Page 2: ...d Jumper Descriptions 4 2 2 Soldering Guidelines 5 2 3 Equipment Connection 5 3 Operation 6 4 PCB Layout 6 5 Schematic 8 6 Bill of Materials 9 List of Figures 1 Top Composite View 6 2 Top Layer Routing 6 3 Mid Layer 1 Routing 6 4 Mid Layer 2 Routing 6 5 Bottom Layer Routing 6 6 TPS7A54EVM 031 Schematic 8 List of Tables 1 Related Documentation 1 2 TPS7A54EVM 031 BOM 9 Trademarks All trademarks are ...

Page 3: ... warnings and cautions are noted for the safety of anyone using or working close to the TPS7A54EVM 031 Observe all safety precautions Warning Warning Hot surface Contact may cause burns Do not touch CAUTION The circuit module may be damaged by overtemperature To avoid damage monitor the temperature during evaluation and provide cooling as needed for your system environment CAUTION Some power suppl...

Page 4: ...prove the transient response of the TPS7A5401RPS and eliminates unwanted ringing on the input because of long wire connections 2 1 3 J3 EN Output enable To enable the output connect a jumper to short VIN to EN 2 1 4 J4 VOUT Output voltage SMA jack connector 2 1 5 J5 PG Pullup voltage selector for PG This EVM is designed so that PG can be pulled up either to VOUT by shorting J5 or pulled up to anot...

Page 5: ...ar Bias 2 1 21 TP9 GND Ground sense test point 2 2 Soldering Guidelines To avoid damaging the integrated circuit IC use a hot air system for any solder rework to modify the EVM for the purpose of repair or other application reasons 2 3 Equipment Connection Use the following steps when connecting the equipment 1 Set the input and bias power supplies to 6 5 V maximum and turn the power supplies off ...

Page 6: ...dule 3 Operation Use the following steps to operate the equipment 1 Turn on the power supplies 2 Enable the output by jumping J3 the EN pin to VIN 3 Vary the respective load and input voltage as necessary for test purposes 4 PCB Layout Figure 1 to Figure 5 illustrate the PCB layout for this EVM Figure 1 Top Composite View Figure 2 Top Layer Routing ...

Page 7: ...t 7 SBVU056 December 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS7A54EVM 031 Evaluation Module Figure 3 Mid Layer 1 Routing Figure 4 Mid Layer 2 Routing Figure 5 Bottom Layer Routing ...

Page 8: ...ND BIAS BIAS GND PG PG GND 3 74k R4 11 8k R3 GND BIAS 5 EN 3 FB 9 GND 6 GND 7 GND 12 IN 1 IN 2 NR SS 4 OUT 10 OUT 11 PG 8 TPS7A5401RPST U1 VIN VOUT EN FB 1 2 J1 DNP 1 2 J4 DNP 5 4 1 2 3 6 J11 DNP 5 4 1 2 3 6 J12 DNP VIN VIN EN NR BIAS GND GND PG FB VOUT VOUT GND NR J7 BIAS 10nF C9 Schematic www ti com 8 SBVU056 December 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporat...

Page 9: ...3 J5 2 Header 2 54 mm 2 1 Gold SMT Header 2 54 mm 2 1 SMT 61000218321 Wurth Elektronik J8 J9 J10 3 Standard Banana Jack Insulated Black 6092 6092 Keystone LBL1 1 Thermal Transfer Printable Labels 0 650 W 0 200 H 10 000 per roll PCB Label 0 650 0 200 in THT 14 423 10 Brady R1 R2 2 10 0 kΩ RES 10 0 kΩ 1 0 1 W 0603 0603 CRCW060310K0FKEA Vishay Dale R3 1 11 8 kΩ RES 11 8 kΩ 1 0 1 W 0603 0603 CRCW06031...

Page 10: ...other 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 techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Page 11: ... 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 installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Page 12: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Page 13: ... 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 electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Page 14: ...OR 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 Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has...

Page 15: ...se 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 reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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