Related Manuals for Texas Instruments LP8731-Q1
Summary of Contents for Texas Instruments LP8731-Q1
- Page 1 Using the LP8731-Q1 Evaluation Board User's Guide Literature Number: SNVU458 November 2014...
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Page 2: Table Of Contents
General Control and LDO Settings ......................System Control ....................LDO Output Control .................. Buck Voltage & Ramp Rate Control ......................Buck Function ........................ Misc Page Table of Contents SNVU458 – November 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 3: Introduction
LP8731-Q1 Evaluation Board Introduction The Texas Instrument LP8731YZREVM evaluation module (EVM) helps designers evaluate the operation and performance of the LP8731-Q1 dual high current step down DC/DC and dual linear regulators with I interface. The EVM contains one LP8731-Q1 (see Table Table 1. - Page 4 Hardware Setup www.ti.com Figure 1. Figure 2. LP8731-Q1 Evaluation Board SNVU458 – November 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
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Page 5: Board Layout And Bill Of Materials
Board Layout and Bill of Materials www.ti.com Board Layout and Bill of Materials Figure 3. LP8731-Q1 Schematic SNVU458 – November 2014 LP8731-Q1 Evaluation Board Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 6: Bill Of Materials For Lp8731-Q1Evm
Keystone Terminal, Turret, TH, Double TP18, TP19, TP20, TP21, TP22, TP23, TP24, TP25, TP26, TP27 LP8731Q1YZR TEXAS INSTRUMENTS Dual Step-Down DC/DC and Linear Reg LP8731-Q1 Evaluation Board SNVU458 – November 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 7: Lp8731-Q1Evm Pcb Layout And Layers
LP8731-Q1EVM PCB Layout and Layers www.ti.com LP8731-Q1EVM PCB Layout and Layers Figure 4. Top Layer Figure 5. Mid-Layer 1 Figure 6. Mid-Layer 2 Figure 7. Bottom Layer SNVU458 – November 2014 LP8731-Q1 Evaluation Board Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 8: Graphic User Interface (Gui)
Graphic User Interface (GUI) Overview Texas Instruments has created a graphic user interface (GUI) and USB2ANY box that can help exercise the part in a simple way. This section descripts in detail of how to use the GUI to communicate with the LP8731YZREVM. -
Page 9: General Control And Ldo Settings
Figure 10. NOTE: In order to have the control works correctly, please place the jumpers according to Section General Control and LDO Settings Figure 11. SNVU458 – November 2014 LP8731-Q1 Evaluation Board Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 10: System Control
These four drop-down boxes are used to select target voltage and ramp for both buck regulators, please read the LP8731Q datasheet link for detail information. Read button is for updating/reading the latest register values. LP8731-Q1 Evaluation Board SNVU458 – November 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 11: Buck Function
Figure 15. Buck Function Figure 16. This section is used to interface with UVLO enable, nPOR delay, buck spread spectrum enable and frequency registers. SNVU458 – November 2014 LP8731-Q1 Evaluation Board Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... -
Page 12: Misc Page
This page contains the I C log on the left and a manual I2C Read/Write tool on the right side, default I address is 59. LP8731-Q1 Evaluation Board SNVU458 – November 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated... - Page 13 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 14 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 15 【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 16 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 17 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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