Related Manuals for Texas Instruments LP8758EVM
Summary of Contents for Texas Instruments LP8758EVM
- Page 1 Using the LP8758EVM Evaluation Module User's Guide Literature Number: SNVU421 May 2015 All trademarks are the property of their respective owners.
-
Page 2: Table Of Contents
Notes on Efficiency Measurement Procedure ........................GUI Overview ........................Main Tab ....................Other Tabs and Menus ........................Console ........................Bill of Materials ........................Board Layout ......................LP8758 Schematic Table of Contents SNVU421 – May 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 3: List Of Figures
Evaluation Software Graphical User Interface (GUI) When Board Connected ........Evaluation Software GUI Showing Steps Needed to Power Up the LP8758 ................. Connections for Efficiency Measurement ..................... Top View of the LP8758EVM ..............Component Placement near the LP8758 Device ........................Top Layer ...................... -
Page 4: Overview
Bill of Materials (BOM). Overview The LP8758EVM customer evaluation module demonstrates the LP8758 device from TI. The LP8758 is a high-performance, multi-phase step-down converter designed to meet the power management requirements of the latest applications processors in mobile phones and similar portable applications. The device contains four step-down converter cores, which are bundled together in a four-phase buck converter. -
Page 5: Cautions And Warnings
USB cable. Refer to Figure 1. With the power supply disconnected from the unit under test (UUT), start the LP8758EVM software from Start menu. 2. On the Evaluation SW window bottom right corner you should see text “Hardware connected”. Refer to Figure SNVU421 –... -
Page 6: Evaluation Software Graphical User Interface (Gui) When Board Connected
Quick Setup Guide www.ti.com Figure 2. Evaluation Software Graphical User Interface (GUI) When Board Connected The LP8758 Evaluation Module SNVU421 – May 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 7: Power Supply Setup
Power Supply Setup To power up the EVM, one power supply is needed. For full-load testing of the LP8758EVM, a DC-power supply capable of at least 10 A and 4 V is required. 5 A is suggested as a practical minimum for partial load. -
Page 8: Notes On Efficiency Measurement Procedure
• Assert SW Reset: To perform a complete software reset to the chip, assert this checkbox. The LP8758 Evaluation Module SNVU421 – May 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 9: Other Tabs And Menus
Main tab, such as output voltage control. These controls are self-explanatory. Please refer to the LP8758 datasheet for explanation of the functions. SNVU421 – May 2015 The LP8758 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 10: Console
The LP8758 Evaluation Module SNVU421 – May 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 11: Bill Of Materials
RES, 1.00 ohm, 1%, 0.1W, 0603 Yageo America RC0603FR-071RL R20, R21 RES, 1.00k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW06031K00FKEA RES, 470k ohm, 5%, 0.1W, 0603 Vishay-Dale CRCW0603470KJNEA SNVU421 – May 2015 The LP8758 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... - Page 12 Phoenix Contact 1725656 2.54mm pitch Phoenix Contact screw terminal 8 way, Phoenix Contact 1725711 2.54mm pitch Crystal, 12MHz, 18pF, SMD Abracon Corporation ABM3-12.000MHZ-B2-T The LP8758 Evaluation Module SNVU421 – May 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...
-
Page 13: Board Layout
Board Layout www.ti.com Board Layout This section describes the board layout of the LP8758EVM. See LP8758 datasheet for specific PCB layout recommendations. The board is constructed on a 4-layer PCB. Figure 5 shows the top view of the entire board and... -
Page 14: Component Placement Near The Lp8758 Device
VIN nets are connected to the VIN plane (3rd layer) with vias in pads of the input capacitors. VOUT pads of the output capacitors and inductors are connected together with large copper area. Figure 7. Top Layer The LP8758 Evaluation Module SNVU421 – May 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 15: Second Layer (Gnd)
GND plane kept intact under the high current traces to provide shortest possible return path for high frequencies. Figure 8. Second Layer (GND) Plane kept intact around the LP8758 device. Figure 9. Third Layer (VIN) SNVU421 – May 2015 The LP8758 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 16: Bottom Layer And Silk
Board Layout www.ti.com Figure 10. Bottom Layer and Silk Figure 11. 3D view Showing the LP8758 Device and Nearest Components The LP8758 Evaluation Module SNVU421 – May 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 17: Lp8758 Schematic
LP8758 Schematic www.ti.com LP8758 Schematic SNVU421 – May 2015 The LP8758 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... - Page 18 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 19 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 20 【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 21 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 22: Important Notice
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.
Need help?
Do you have a question about the LP8758EVM and is the answer not in the manual?
Questions and answers