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User's Guide
TPS51125A Buck Controller Evaluation Module User's
Guide
1
Introduction.............................................................................................................................................................................2
2 Performance Specification Summary...................................................................................................................................
3
Schematic................................................................................................................................................................................3
4 Test Setup and Results..........................................................................................................................................................
5 Configuration..........................................................................................................................................................................
6 Physical Layouts....................................................................................................................................................................
Materials.......................................................................................................................................................................8
8 References..............................................................................................................................................................................
History......................................................................................................................................................................9
Trademarks
™
Out-of-Audio
is a trademark of Texas Instruments.
D-CAP
™
is a trademark of to.
is a trademark of TI.
All trademarks are the property of their respective owners.
SLUU408A - FEBRUARY 2010 - REVISED JANUARY 2022
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Table of Contents
Copyright © 2022 Texas Instruments Incorporated
TPS51125A Buck Controller Evaluation Module User's Guide
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Summary of Contents for Texas Instruments TPS51125AEVM
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Page 1: Table Of Contents
8 References....................................9 Revision History..................................9 Trademarks ™ Out-of-Audio is a trademark of Texas Instruments. D-CAP ™ is a trademark of to. is a trademark of TI. All trademarks are the property of their respective owners. SLUU408A – FEBRUARY 2010 – REVISED JANUARY 2022... -
Page 2: Introduction
28 V and supports output voltages from 2 V to 5.5 V. The TPS51125AEVM evaluation module is a high-efficiency, dual synchronous buck converter providing 5 V at 8 A and 3.3 V at 8 A from 8-V to 25-V input. -
Page 3: Schematic
Schematic 3 Schematic Figure 3-1. TPS51125A-EVM Schematic Diagram SLUU408A – FEBRUARY 2010 – REVISED JANUARY 2022 TPS51125A Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 4: Test Setup And Results
Test Setup and Results www.ti.com 4 Test Setup and Results 4.1 Test Setup Connect the test equipment and TPS51125AEVM board as shown in Figure 4-1. DMM4 DMM4 Oscilloscope Oscilloscope DMM1 DMM1 DMM3 DMM3 Electronic Electronic Load1 Load1 VO1_GND VO1_GND VO1_GND... -
Page 5: Configuration
Table 5-3. VLCK Control END CONNECTION VCLK OPEN ENABLED Pull down to GND with 620 kΩ DISABLED SLUU408A – FEBRUARY 2010 – REVISED JANUARY 2022 TPS51125A Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 6: Physical Layouts
(Figure 6-3 Figure 6-4) of the EVM. Figure 6-1. Top Layer Routing Figure 6-2. Bottom Layer Routing TPS51125A Buck Controller Evaluation Module User's Guide SLUU408A – FEBRUARY 2010 – REVISED JANUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 7 Physical Layouts Figure 6-3. Inner Layer 1 Figure 6-4. Inner Layer 2 SLUU408A – FEBRUARY 2010 – REVISED JANUARY 2022 TPS51125A Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 8: List Of Materials
Standoff M/F hex 4-40 nylon 0.625 in Keystone 4803 Building Nut hex 4-40 nylon NY HN 440 Fasteners TPS51125A Buck Controller Evaluation Module User's Guide SLUU408A – FEBRUARY 2010 – REVISED JANUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 9: References
Updated the numbering format for tables, figures, and cross-references throughout the document....2 • Updated the user's guide title..........................SLUU408A – FEBRUARY 2010 – REVISED JANUARY 2022 TPS51125A Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 10 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
- Page 11 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
- Page 12 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
- Page 13 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
- Page 14 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
- Page 15 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated...
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