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User's Guide
TPS65270 Buck Converter Evaluation Module User's
Guide
1
Introduction.............................................................................................................................................................................2
2
Background.............................................................................................................................................................................3
3
Schematic................................................................................................................................................................................4
Layout...........................................................................................................................................................................5
5 Bench Test Setup Conditions................................................................................................................................................
5.2
Jumpers..............................................................................................................................................................................7
6 Power-Up Procedure..............................................................................................................................................................
7 Bill of Materials.......................................................................................................................................................................
History......................................................................................................................................................................9
Trademarks
All trademarks are the property of their respective owners.
SLVU474C - AUGUST 2011 - REVISED MAY 2021
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Copyright © 2021 Texas Instruments Incorporated
TPS65270 Buck Converter Evaluation Module User's Guide
Table of Contents
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Summary of Contents for Texas Instruments TPS65270
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Page 1: Table Of Contents
7 Bill of Materials..................................8 Revision History..................................9 Trademarks All trademarks are the property of their respective owners. SLVU474C – AUGUST 2011 – REVISED MAY 2021 TPS65270 Buck Converter Evaluation Module User's Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 2: Introduction
Introduction www.ti.com 1 Introduction This document presents the information required to power the TPS65270 PMIC as well as the support documentation including schematic and bill of materials. TPS65270 Buck Converter Evaluation Module User's Guide SLVU474C – AUGUST 2011 – REVISED MAY 2021 Submit Document Feedback Copyright ©... -
Page 3: Background
2 Background The TPS65270 PMIC is designed to provide 2-A and 3-A continuous currents with an operational range of 4.5 V to 16 V and an externally set switching frequency ranging from 300 kHz to 1.4 MHz. When the PMIC is not fully loaded, Buck1 can be loaded to 2.5 A and Buck2 to 3.5 A. -
Page 4: Schematic
Schematic www.ti.com 3 Schematic Figure 3-1. TPS65270 Schematic TPS65270 Buck Converter Evaluation Module User's Guide SLVU474C – AUGUST 2011 – REVISED MAY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 5: Board Layout
Figure 4-2. Board Layout (Top Layer) Figure 4-1. Placement (Top Layer) Figure 4-3. Board Layout (Bottom Layer) SLVU474C – AUGUST 2011 – REVISED MAY 2021 TPS65270 Buck Converter Evaluation Module User's Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 6: Bench Test Setup Conditions
A: LX of V OUT1 B: LX of V OUT2 , EN1, EN2, LOW_P OUT1 OUT2 TPS65270 Buck Converter Evaluation Module User's Guide SLVU474C – AUGUST 2011 – REVISED MAY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 7: Jumpers
Low Power Mode (LOW_P) mode; Connect LOW_P to V to enter automatic Cannot leave open PSM/PWM mode SLVU474C – AUGUST 2011 – REVISED MAY 2021 TPS65270 Buck Converter Evaluation Module User's Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 8: Power-Up Procedure
2. Toggle JP1 or JP2 to enable V and V respectively. OUT1 OUT2 3. Apply loads to the output connectors. TPS65270 Buck Converter Evaluation Module User's Guide SLVU474C – AUGUST 2011 – REVISED MAY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 9: Bill Of Materials
8 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. SLVU474C – AUGUST 2011 – REVISED MAY 2021 TPS65270 Buck Converter Evaluation Module User's Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... - Page 10 Updated the numbering format for tables, figures, and cross-references throughout the document....2 • Updated user's guide title ..........................TPS65270 Buck Converter Evaluation Module User's Guide SLVU474C – AUGUST 2011 – REVISED MAY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
- Page 11 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 12 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 13 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 14 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 15 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 16 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products.IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2021, Texas Instruments Incorporated...