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Summary of Contents for Texas Instruments LM5161PWPBKEVM
- Page 1 LM5161PWPBKEVM Buck Evaluation Module User's Guide Literature Number: SNVU504A August 2016 – Revised August 2016...
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Page 2: Table Of Contents
LM5161 Buck EVM Schematic ..................LM5161 Buck EVM Bill of Materials .................... LM5161 Buck EVM PCB Layout .......................... Revision History Table of Contents SNVU504A – August 2016 – Revised August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 3 EVM Top Copper View with LM5161 ................EVM Bottom Copper View with LM5161 ..................EVM Top Solder Mask with LM5161 SNVU504A – August 2016 – Revised August 2016 List of Figures Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
- Page 4 ..................LM5161 Buck EVM Specifications ......................FPWM Pin Mode ............LM5161 Buck EVM Bill of Materials for 300 kHz Configuration List of Tables SNVU504A – August 2016 – Revised August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
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Page 5: Introduction
JP1 – MODE pin allows the user to select between forced CCM (FPWM = 1) and DCM (FPWM = 0) operation. See Section 3.2 Table 2 for more details. SNVU504A – August 2016 – Revised August 2016 LM5161 Buck EVM User’s Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 6: Operation
Figure 1. Buck EVM Setup Operation In order to maintain proper operation of the LM5161PWPBKEVM, the input voltage applied across J1 should be gradually increased. The load at the output (J2) should not exceed 1 A. The inductor L2 used in this board is optimized for small solution size. -
Page 7: Typical Performance Curves
= 300kHz diode FPWM = 1 = 300kHz connected connected Figure 2. Load Regulation Figure 3. Line Regulation SNVU504A – August 2016 – Revised August 2016 LM5161 Buck EVM User’s Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 8: Efficiency Vs. I Out
Figure 8. Steady State at V = 48 V and FPWM = 1 (no load) Figure 9. EN/UVLO Startup/Shutdown at Full Load LM5161 Buck EVM User’s Guide SNVU504A – August 2016 – Revised August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 9: Pre-Bias Startup At No Load
Figure 15. Load Transient (I = No Load to Full Load) in Load Load No Load) in CCM SNVU504A – August 2016 – Revised August 2016 LM5161 Buck EVM User’s Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 10: Load
Figure 18. Short Circuit (I = Full Load to Short) Figure 19. Line Transient (36V -100V -72V Load LM5161 Buck EVM User’s Guide SNVU504A – August 2016 – Revised August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 11: Lm5161 Synchronous Buck Evm Schematic
PGND 1µF LM5161PWP 2.00k 6.81k Copyright © 2016, Texas Instruments Incorporated Figure 20. LM5161 Synchronous Buck EVM Schematic SNVU504A – August 2016 – Revised August 2016 LM5161 Buck EVM User’s Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 12 BST capacitor (see Figure 21), in order to protect the internal VCC-BST bootstrap diode during a full load transient. LM5161 Buck EVM User’s Guide SNVU504A – August 2016 – Revised August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
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Page 13: Evm Component View With Lm5161
Figure 22. EVM Top Copper View with LM5161 Figure 23. EVM Bottom Copper View with LM5161 Figure 24. EVM Top Solder Mask with LM5161 SNVU504A – August 2016 – Revised August 2016 LM5161 Buck EVM User’s Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 14 Changes from Original (August 2016) to A Revision ..................... Page ..................• Changed datasheet crossreference to LM5161..................• Changed Orderable name to LM5161PWPR Revision History SNVU504A – August 2016 – Revised August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
- Page 15 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 16 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 17 【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 18 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 19 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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