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This user's guide describes the operational use of the TPS7A91EVM-831 evaluation module (EVM) as a
reference design for engineering demonstration and evaluation of the TPS7A9101DSK, 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, evaluation module are
synonymous with the TPS7A91EVM-831.
The following related documents are available through the Texas Instruments web site at
http://www.ti.com.
SBVU036 – November 2016
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TPS7A91EVM-831 Evaluation Module
Related Documentation
Device
TPS7A91
Copyright © 2016, Texas Instruments Incorporated
SBVU036 – November 2016
Literature Number
SBVS282
TPS7A91EVM-831 Evaluation Module
User's Guide
1
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Summary of Contents for Texas Instruments TPS7A91EVM-831
- Page 1 SBVU036 – November 2016 TPS7A91EVM-831 Evaluation Module This user’s guide describes the operational use of the TPS7A91EVM-831 evaluation module (EVM) as a reference design for engineering demonstration and evaluation of the TPS7A9101DSK, 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).
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Page 2: Table Of Contents
Top Layer Routing ....................... Bottom Layer Routing ........................Schematic List of Tables ......................Bill of Materials Trademarks All trademarks are the property of their respective owners. TPS7A91EVM-831 Evaluation Module SBVU036 – November 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 3: Introduction
Introduction The Texas Instruments TPS7A91EVM-831 EVM helps design engineers evaluate the operation and performance of the TPS7A91 family of linear regulators for possible use in their own circuit application. This particular EVM configuration contains a dual low-noise, high-PSRR linear regulator for high-speed communication systems. -
Page 4: Evm Setup
EVM Setup www.ti.com EVM Setup This section describes how to properly connect and setup the TPS7A91EVM-831, including the jumpers and connectors on the EVM board. Input/Output Connectors and Jumper Descriptions 2.1.1 J1 – VIN_S Input power-supply sense voltage connector. Place an SMA connector here to sense the input supply voltage. - Page 5 Feedback sense test point. 2.1.17 TP7 – GND Ground. 2.1.18 TP8 – GND Ground. 2.1.19 TP9 – GND Ground. 2.1.20 TP10 – GND Ground. SBVU036 – November 2016 TPS7A91EVM-831 Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
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Page 6: Soldering Guidelines
2. Enable the output by shorting the EN pin to VIN on J6. 3. Vary the load and input voltage as necessary for test purposes. TPS7A91EVM-831 Evaluation Module SBVU036 – November 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 7: Pcb Layout
PCB Layout www.ti.com PCB Layout Figure 1 Figure 3 illustrate the PCB layout for this EVM. Figure 1. Assembly Layer Figure 2. Top Layer Routing SBVU036 – November 2016 TPS7A91EVM-831 Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 8: Bottom Layer Routing
PCB Layout www.ti.com Figure 3. Bottom Layer Routing TPS7A91EVM-831 Evaluation Module SBVU036 – November 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 9 Schematic www.ti.com Schematic Figure 4 is the schematic for this EVM. Figure 4. Schematic SBVU036 – November 2016 TPS7A91EVM-831 Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
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Page 10: Bill Of Materials
These assemblies must comply with workmanship standards IPC-A-610 Class 2. Unless otherwise noted in the Alternate PartNumber and/or Alternate Manufacturer columns, all parts may be substituted with equivalents. TPS7A91EVM-831 Evaluation Module SBVU036 – November 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 11 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including 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 and conditions set forth herein.
- Page 12 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
- Page 13 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/ /www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page SPACER 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.
- 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 © 2016, Texas Instruments Incorporated...
- Page 15 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
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