background image

User’s Guide

TPS62442EVM-122 User's Guide

Table of Contents

1 Introduction

.............................................................................................................................................................................

2

2 Setup

........................................................................................................................................................................................

3

3 TPS62442EVM-122 Test Results

............................................................................................................................................

3

4 Board Layout

...........................................................................................................................................................................

4

5 Schematic and Bill of Materials

.............................................................................................................................................

6

List of Figures

Figure 4-1. Top Silk......................................................................................................................................................................

4

Figure 4-2. Top Layer...................................................................................................................................................................

4

Figure 4-3. Layer 2......................................................................................................................................................................

5

Figure 4-4. Layer 3......................................................................................................................................................................

5

Figure 4-5. Bottom Layer.............................................................................................................................................................

5

Figure 5-1. TPS62442EVM-122 Schematic.................................................................................................................................

6

List of Tables

Table 1-1. Performance Specification Summary..........................................................................................................................

2

Table 5-1. TPS62442EVM-122 BOM...........................................................................................................................................

7

Trademarks

All trademarks are the property of their respective owners.

www.ti.com

Table of Contents

SLVUC33 – NOVEMBER 2021

Submit Document Feedback

TPS62442EVM-122 User's Guide

1

Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for TPS62442EVM-122

Page 1: ...ayer 4 Figure 4 3 Layer 2 5 Figure 4 4 Layer 3 5 Figure 4 5 Bottom Layer 5 Figure 5 1 TPS62442EVM 122 Schematic 6 List of Tables Table 1 1 Performance Specification Summary 2 Table 5 1 TPS62442EVM 122 BOM 7 Trademarks All trademarks are the property of their respective owners www ti com Table of Contents SLVUC33 NOVEMBER 2021 Submit Document Feedback TPS62442EVM 122 User s Guide 1 Copyright 2021 T...

Page 2: ... but can be used to reduce output voltage ripple and to improve the load transient response For proper operation the total output capacitance must remain within the recommended range described in the TPS6244x Q1 2 75 V to 6 V Dual Step Down Converter with Adjustable Frequency in a QFN Package data sheet 1 2 2 Adjustable Output IC U1 Operation U1 is configured for evaluation of the adjustable outpu...

Page 3: ...he jumper across OFF and EN to turn off the IC JP3 MODE SYNC MODE SYNC pin jumper Place the supplied jumper across VIN and MODE SYNC to force the device in fixed frequency PWM operation at all load currents Place the jumper across MODE SYNC and GND to enable power save mode Connect a clock signal to MODE SYNC referenced to GND to synchronize the switching frequency to the clock signal J4 PG1 The P...

Page 4: ...d layout The Gerber files are available on the TPS628502EVM 092 tool page Figure 4 1 Top Silk Figure 4 2 Top Layer Board Layout www ti com 4 TPS62442EVM 122 User s Guide SLVUC33 NOVEMBER 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 5: ...re 4 3 Layer 2 Figure 4 4 Layer 3 Figure 4 5 Bottom Layer www ti com Board Layout SLVUC33 NOVEMBER 2021 Submit Document Feedback TPS62442EVM 122 User s Guide 5 Copyright 2021 Texas Instruments Incorporated ...

Page 6: ...k R1 100k R5 5 4 1 2 3 6 J2 10µF C7 10µF C8 GND 100uF C20 100uF C19 22uF C18 5 4 1 2 3 6 J3 VOUT1 100k R6 VOUT2 1 2 3 JP1 1 2 3 JP2 1 2 3 JP3 470pF C1 10uF C13 22uF C12 5 4 1 2 3 6 J1 COMP GND VOUT1 VOUT2 VIN VIN GND SW2 FB2 VIN1 7 VIN2 11 FB1 3 FB2 1 PG1 4 PG2 13 SW1 6 SW2 12 COMP FSET 14 MODE SYNC 5 EN1 8 EN2 10 GND 2 GND 9 TPS62442QWRQRRQ1 U1 2 2uF C3 2 2uF C4 0 47uH L1 0 47uH L2 Figure 5 1 TPS...

Page 7: ...pacitor 6 3 V X5R 1210 GRM32ER60J107ME20L MuRata 2 C9 C10 10 pF Ceramic Capacitor 50 V COG NPO 0402 GCM1555C1H100JA16D MuRata 3 C12 C15 C18 22 µF Ceramic Capacitor 10 V X7R 1206 GCM31CR71A226KE02 MuRata 2 L1 L2 470 nH Inductor 1008 DFE201612PD R47M P2 MuRata Toko 2 R1 R3 80 6 kΩ Resistor 1 0 1 W 0402 any 2 R2 R4 40 2 kΩ Resistor 1 0 1 W 0402 any 2 R5 R6 100 kΩ Resistor 1 0 1 W 0402 any 1 R7 8 06 k...

Page 8: ...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 9: ... 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 10: ...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 11: ... 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 12: ...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 13: ...o 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 and you will fully indemn...

Reviews: