Instruction/ maintenance manual of the product TPS650231EVM Texas Instruments
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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.
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.
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.
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.
) 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.
) 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.
www.ti.com Board Layout Figure 2. Top Layer Routing 7 SLVU394 – October 2010 TPS65023B/TPS650231EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated.
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.
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.
Board Layout www.ti.com Figure 5. Bottom Layer Routing 10 TPS65023B/TPS650231EVM SLVU394 – October 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated.
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.
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.
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.
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.
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If you already are a holder of Texas Instruments TPS650231EVM, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Texas Instruments TPS650231EVM.
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