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Texas Instruments TPS650231EVM - page 1
User's Guide SLVU394 – October 2010 TPS65023B/TPS650231EVM The characteristics, operation, and use of the TPS65023B/TPS650231EVM-664 evaluation module (EVM) are described in this document. This EVM is designed to help the user evaluate and test the various operating modes of the TPS65023B/TPS650231. This user’s guide includes setup instruc ...
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Texas Instruments TPS650231EVM - page 2
Electrical Performance Specification www.ti.com 1.1.2 Printed-Circuit Board Assembly The TPS65023B/TPS650231EVM-664 PCB contains the TPS65023B/TPS650231 IC and its required external components. This board contains several jumpers and connectors that allow the user to customize the board for specific operating conditions. 1.1.3 USB-to- I 2 C Adapter ...
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Texas Instruments TPS650231EVM - page 3
www.ti.com Input/Output Connector Description 3 Input/Output Connector Description This section describes the jumpers and connectors on the EVM, as well as how to properly connect, set up, and use the TPS65023B/TPS650231EVM-664. J1 – VIN Input voltage from external power supply, recommended maximum 5.5 V. Input current depends on load but typical ...
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Texas Instruments TPS650231EVM - page 4
Input/Output Connector Description www.ti.com J17 – VDCDC3 Output from switching regulator DCDC3; maximum output current 1 A. J18– GND Return for VDCDC3. J19 – J19 is the interface connector for the I2C interface. Connect a 10-pin ribbon cable between J13 and the USB-to-GPIO interface. JP1 – DEF1 Sets default voltage for DCDC1, 1.2 V or 1.6 ...
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Texas Instruments TPS650231EVM - page 5
) R R ( ) VLDO REF _ V ( )) R R ( REF _ V DCDC _ V out 3 1 2 2 1 1 2 ´ - + + ´ = www.ti.com Input/Output Connector Description 4. Connect the ribbon cable between the EVM and the USB-TO-GPIO (HPA172) adapter. 5. Connect the USB cable between the computer and the HPA172EVM. 6. Turn on all supplies. 7. Run the TPS65023B/TPS650231EVM software 3.2 Mo ...
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Texas Instruments TPS650231EVM - page 6
) R R ( max) , VLDO REF _ V ( )) R R ( REF _ V min , DCDC _ V out 3 1 2 2 1 1 2 ´ - + + ´ = ) R R ( min) , VLDO REF _ V ( )) R R ( REF _ V max , DCDC _ V out 3 1 2 2 1 1 2 ´ - + + ´ = Board Layout www.ti.com (2) (3) The most straight forward way is to choose a value for R6 according to the recommendations in the converter data sheet. 4 Board La ...
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Texas Instruments TPS650231EVM - page 7
www.ti.com Board Layout Figure 2. Top Layer Routing 7 SLVU394 – October 2010 TPS65023B/TPS650231EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated ...
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Texas Instruments TPS650231EVM - page 8
Board Layout www.ti.com Figure 3. Layer-2 Routing, GND Plane 8 TPS65023B/TPS650231EVM SLVU394 – October 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated ...
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Texas Instruments TPS650231EVM - page 9
www.ti.com Board Layout Figure 4. Layer-3 Routing, Vin Plane 9 SLVU394 – October 2010 TPS65023B/TPS650231EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated ...
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Texas Instruments TPS650231EVM - page 10
Board Layout www.ti.com Figure 5. Bottom Layer Routing 10 TPS65023B/TPS650231EVM SLVU394 – October 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated ...
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Texas Instruments TPS650231EVM - page 11
www.ti.com Schematic and Bill of Materials 5 Schematic and Bill of Materials This section provides the TPS65023B/TPS650231EVM-664 schematic and bill of materials. 5.1 Schematic Figure 6. TPS65023B/TPS650231EVM-664 Schematic 11 SLVU394 – October 2010 TPS65023B/TPS650231EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorpor ...
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Texas Instruments TPS650231EVM - page 12
Schematic and Bill of Materials www.ti.com 5.2 Bill of Materials Table 4. TPS65023B/TPS650231EVM-664 Bill of Materials Count RefDes Value Description Size Part Number -001 -002 9 9 C1, C2, C4, C9, 10 µF Capacitor, Ceramic, 6.3V, X5R, 10% 0805 Std C10, C11, C14–C16 4 4 C3, C6, C7, C17 1.0 µF Capacitor, Ceramic, 6.3V, X5R,10% 0603 Std 1 1 C5 1500 ...
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Texas Instruments TPS650231EVM - page 13
Evaluation Board/Kit Important Notice Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling th ...
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Texas Instruments TPS650231EVM - page 14
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders ...
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