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This user's guide describes the characteristics, operation, and use of the TPS8125x evaluation module
(EVM). This EVM enables test and evaluation of Texas Instruments' TPS8125x devices, a series of
4.5-MHz, step-up DC-DC converters. This user's guide includes EVM specifications, a schematic diagram,
a bill of materials, and board layout images.
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TPS8125xEVM Schematic
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SLVU653 - April 2012
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Copyright © 2012, Texas Instruments Incorporated
Contents
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List of Figures
User's Guide
SLVU653 - April 2012
TPS8125xEVM
TPS8125xEVM
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Summary of Contents for Texas Instruments TPS8125 EVM Series

  • Page 1: Table Of Contents

    This user's guide describes the characteristics, operation, and use of the TPS8125x evaluation module (EVM). This EVM enables test and evaluation of Texas Instruments' TPS8125x devices, a series of 4.5-MHz, step-up DC-DC converters. This user's guide includes EVM specifications, a schematic diagram, a bill of materials, and board layout images.
  • Page 2: Introduction

    Information for the various EVM options. Table 1. TPS8125x Output Voltage Options and Ordering Information Orderable EVM Number Device Part Number Output Voltage PWR121-001 TPS81256 TPS8125xEVM SLVU653 – April 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 3: Tps8125Xevm Schematic

    TPS8125xEVM Schematic www.ti.com TPS8125xEVM Schematic For reference only; see Table 2 for specific values. Figure 1. TPS8125xEVM Schematic SLVU653 – April 2012 TPS8125xEVM Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 4: Connector And Test Point Descriptions

    Placing a jumper across pins EN and ON ties the EN pin to VIN, which enables the device. Placing a jumper across pins EN and OFF ties the EN pin to GND, which disables the device. TPS8125xEVM SLVU653 – April 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 5: Tps8125Xevm Printed Circuit Board Layout

    PCB can offer additional size reduction for space-constrained systems. All the following images are viewed from the top of the PCB. Figure 2. TPS8125xEVM Component Placement SLVU653 – April 2012 TPS8125xEVM Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 6: Tps8125Xevm Top Copper

    TPS8125xEVM Printed Circuit Board Layout www.ti.com Figure 3. TPS8125xEVM Top Copper TPS8125xEVM SLVU653 – April 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 7: Tps8125Xevm Inner Layer 1

    TPS8125xEVM Printed Circuit Board Layout www.ti.com Figure 4. TPS8125xEVM Inner Layer 1 SLVU653 – April 2012 TPS8125xEVM Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 8: Tps8125Xevm Inner Layer 2

    TPS8125xEVM Printed Circuit Board Layout www.ti.com Figure 5. TPS8125xEVM Inner Layer 2 TPS8125xEVM SLVU653 – April 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 9: Bill Of Materials

    PEC03SAAN Sullins R1, R2 Open Resistor, Chip, 1/16W, 1% 0402 1.00MΩ Resistor, Chip, 1/16W, 1% 0603 IC, High-Efficiency Micro-SiP Boost TPS81256SIP uBGA TPS81256SIP Converter, 5.0 V SLVU653 – April 2012 TPS8125xEVM Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 10 Any exceptions to this are strictly prohibited and unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory authorities, which is responsibility of user including its acceptable authorization.
  • Page 11 FCC Interference Statement for Class B EVM devices 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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
  • Page 12 Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan. Texas Instruments Japan Limited (address) 24-1, Nishi-Shinjuku 6 chome, Shinjukku-ku, Tokyo, Japan http://www.tij.co.jp...
  • Page 13 FDA Class III or similar classification, then you must specifically notify TI of such intent and enter into a separate Assurance and Indemnity Agreement. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2012, Texas Instruments Incorporated...
  • Page 14 Any exceptions to this are strictly prohibited and unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory authorities, which is responsibility of user including its acceptable authorization.
  • Page 15 FCC Interference Statement for Class B EVM devices 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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
  • Page 16 Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan. Texas Instruments Japan Limited (address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan http://www.tij.co.jp...
  • Page 17 FDA Class III or similar classification, then you must specifically notify TI of such intent and enter into a separate Assurance and Indemnity Agreement. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2012, Texas Instruments Incorporated...
  • Page 18 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.

This manual is also suitable for:

Tps81256evm-121

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