Texas Instruments TPS7A84EVM-753 User Manual

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This user's guide describes the operational use of the TPS7A84EVM-753 evaluation module (EVM) as a

reference design for engineering demonstration and evaluation of the TPS7A8400RGR, 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, and evaluation module are

synonymous with the TPS7A84EVM-753.

The following related documents are available through the Texas Instruments web site at www.ti.com.

All trademarks are the property of their respective owners.

SBVU028 – March 2016

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Page 1 SBVU028 – March 2016 TPS7A84EVM-753 Evaluation Module This user’s guide describes the operational use of the TPS7A84EVM-753 evaluation module (EVM) as a reference design for engineering demonstration and evaluation of the TPS7A8400RGR, 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).
Page 2: Table Of Contents
Top Layer Routing ...................... Signal Layer 1 Routing ...................... Signal Layer 2 Routing ....................... Bottom Layer Routing ..................... TPS7A84EVM-753 Schematic List of Tables ....................TPS7A84EVM-753 BOM TPS7A84EVM-753 Evaluation Module SBVU028 – March 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
Page 3: Introduction
Introduction Texas Instruments' TPS7A84EVM-753 EVM helps design engineers evaluate the operation and performance of the TPS7A84 family of linear regulators for possible use in their own circuit application. This particular EVM configuration contains a single 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 TPS7A84EVM-753, including the jumpers and connectors on the EVM board. Input/Output Connectors and Jumper Descriptions 2.1.1 J1 – VIN Input power-supply voltage connector. Twist together the positive input lead and ground return lead from the input power supply, and keep them as short as possible to minimize input inductance.
Page 5: Soldering Guidelines
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. SBVU028 – March 2016 TPS7A84EVM-753 Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
Page 6: Pcb Layout
PCB layout for this EVM. Figure 1. Assembly Layer Figure 2. Top Layer Routing Figure 3. Signal Layer 1 Routing Figure 4. Signal Layer 2 Routing TPS7A84EVM-753 Evaluation Module SBVU028 – March 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
Page 7: Bottom Layer Routing
PCB Layout www.ti.com Figure 5. Bottom Layer Routing SBVU028 – March 2016 TPS7A84EVM-753 Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
Page 8: Schematic
100 mV 50 mV TPS7A8400RGRR TP10 TP11 NOTE: Capacitors C1 and C8 and resistors R3 and R4 do not come populated. Figure 6. TPS7A84EVM-753 Schematic TPS7A84EVM-753 Evaluation Module SBVU028 – March 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
Page 9: Bill Of Materials
These assemblies must be clean and free from flux and all contaminants. Use of no-clean flux is not acceptable. These assemblies must comply with workmanship standards IPC-A-610 Class 2. SBVU028 – March 2016 TPS7A84EVM-753 Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
Page 10 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions.
Page 11 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 12 【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 13 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 © 2015, Texas Instruments Incorporated...
Page 14 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.