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1
INTRODUCTION
2
BACKGROUND
3
BOARD LAYOUT
4
BENCH TEST SETUP CONDITIONS
4.1
Headers Description and Jumper Placement
4.2
Jumpers and Switches
5
POWER-UP PROCEDURE
6
SCHEMATIC AND BILL OF MATERIALS
1
Placement (Top Layer)
2
Board Layout (Top Layer)
3
Board Layout (Second Layer – Ground Plane)
4
Board Layout (Third Layer – V
5
Board Layout (Bottom Layer – Ground Plane)
6
Headers Description and Jumper Placement
7
TPS65280EVM Schematic
SLVU722 – June 2012
Submit Documentation Feedback
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List of Figures
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and Signal Routing)
IN
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Copyright © 2012, Texas Instruments Incorporated
TPS65280EVM User's Guide
Contents
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User's Guide
SLVU722 – June 2012
TPS65280EVM User's Guide
2
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Summary of Contents for Texas Instruments TPS65280EVM

  • Page 1 Board Layout (Third Layer – V and Signal Routing) ................Board Layout (Bottom Layer – Ground Plane) ................Headers Description and Jumper Placement ....................TPS65280EVM Schematic SLVU722 – June 2012 TPS65280EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 2 Please contact TI Field Applications Group for advice on these matters. TPS65280EVM User’s Guide SLVU722 – June 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 3 BOARD LAYOUT www.ti.com BOARD LAYOUT Figure 1. Placement (Top Layer) SLVU722 – June 2012 TPS65280EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 4 BOARD LAYOUT www.ti.com Figure 2. Board Layout (Top Layer) Figure 3. Board Layout (Second Layer – Ground Plane) TPS65280EVM User’s Guide SLVU722 – June 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 5 BOARD LAYOUT www.ti.com Figure 4. Board Layout (Third Layer – V and Signal Routing) Figure 5. Board Layout (Bottom Layer – Ground Plane) SLVU722 – June 2012 TPS65280EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 6 Connect this pin to ground force the buck converter to run in Sync/Mode PWM mode; connect an external clock signal to this pin force the buck converter to synchronize to the clock. TPS65280EVM User’s Guide SLVU722 – June 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 7 3. Toggle JP6 and JP5 to enable switch 1 and Switch 2 respectively. 4. Apply loads to the output connectors. SCHEMATIC AND BILL OF MATERIALS Figure 7. TPS65280EVM Schematic SLVU722 – June 2012 TPS65280EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 8 SCHEMATIC AND BILL OF MATERIALS www.ti.com Table 3. TPS65280EVM Bill of Materials Item No. Designator Value Footprint Manufacturer Part No. Description Comment QFN24 RGE Texas TPS65280RGET Instruments R1,R4,R5 100k 0603 Generic RES 100k 1/10W 0603 0603 Generic RES 10k 1/10W 0603 SMD...
  • Page 9 SCHEMATIC AND BILL OF MATERIALS www.ti.com SLVU722 – June 2012 TPS65280EVM User’s Guide 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, Shinjuku-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.