EVAL MODULE FOR TPS54040-456

TPS54040EVM-456

Manufacturer Part NumberTPS54040EVM-456
DescriptionEVAL MODULE FOR TPS54040-456
ManufacturerTexas Instruments
TypeDC/DC Switching Converters, Regulators & Controllers
TPS54040EVM-456 datasheet
 


Specifications of TPS54040EVM-456

Input Voltage12 V to 42 VOutput Voltage5 V
Board Size76.2 mm x 76.2 mmProductPower Management Modules
Supply Current0.5 ADimensions76.2 mm x 76.2 mm
Lead Free Status / RoHS StatusLead free / RoHS CompliantFor Use With/related ProductsTPS54040
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TPS54040EVM-456 0.5-A, SWIFT™ Regulator Evaluation
This user's guide contains background information for the TPS54040 as well as support documentation for
the TPS54040EVM-456 evaluation module (HPA456). Also included are the performance specifications,
the schematic, and the bill of materials for the TPS54040EVM-456.
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1
Introduction
2
Test Setup and Results
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3
Board Layout
4
Schematic and Bill of Materials
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TPS54040EVM-456 Efficiency
2
TPS54040EVM-456 Low Current Efficiency
3
TPS54040EVM-456 Load Regulation
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TPS54040EVM-456 Line Regulation
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TPS54040EVM-456 Transient Response
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TPS54040EVM-456 Loop Response
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TPS54040EVM-456 Output Ripple
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TPS54040EVM-456 Input Ripple
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TPS54040EVM-456 Start-Up Relative to V
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TPS54040EVM–456 Eco–mode™ Operation
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TPS54040EVM-456 Top-Side Layout
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TPS54040EVM-456 Bottom-Side Layout
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TPS54040EVM-456 Top-Side Assembly
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TPS54040EVM-456 Schematic
1
Input Voltage and Output Current Summary
2
TPS54040EVM-456 Performance Specification Summary
3
Output Voltages Available
4
EVM Connectors and Test Points
5
TPS54040EVM-456 Bill of Materials
SWIFT, Eco-mode are trademarks of Texas Instruments.
SLVU298 – March 2009
Submit Documentation Feedback
Contents
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TPS54040EVM-456 0.5-A, SWIFT™ Regulator Evaluation Module
User's Guide
SLVU298 – March 2009
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TPS54040EVM-456 Summary of contents

  • Page 1

    ... TPS54040EVM-456 0.5-A, SWIFT™ Regulator Evaluation This user's guide contains background information for the TPS54040 as well as support documentation for the TPS54040EVM-456 evaluation module (HPA456). Also included are the performance specifications, the schematic, and the bill of materials for the TPS54040EVM-456. ................................................................................................................... 1 Introduction 2 Test Setup and Results ...

  • Page 2

    ... Additionally, the TPS54040 provides adjustable slow start and undervoltage lockout inputs. The absolute maximum input voltage for the TPS54040EVM-456. Table 1. Input Voltage and Output Current Summary ...

  • Page 3

    ... Test Setup and Results This section describes how to properly connect, set up, and use the TPS54040EVM-456 evaluation module. The section also includes test results typical for the evaluation module and covers efficiency, output voltage regulation, load transients, loop response, output ripple, input ripple, and start-up. ...

  • Page 4

    ... The efficiency of this EVM peaks at a load current of about 0.3 A with V the load current increases towards full load. an ambient temperature 100 Figure 2 shows the efficiency for the TPS54040EVM-456 at lower output currents between 0.001 A and 0 ambient temperature TPS54040EVM-456 0.5-A, SWIFT™ Regulator Evaluation Module Table 4. EVM Connectors and Test Points ...

  • Page 5

    ... Figure 2. TPS54040EVM-456 Low Current Efficiency The efficiency may be lower at higher ambient temperatures, due to temperature variation in the drain-to-source resistance of the internal MOSFET. 2.3 Output Voltage Load Regulation The load regulation for the TPS54040EVM-456 is shown in -0.02 -0.04 -0.06 -0.08 Figure 3. TPS54040EVM-456 Load Regulation Measurements are given for an ambient temperature SLVU298 – ...

  • Page 6

    ... Test Setup and Results 2.4 Output Voltage Line Regulation The line regulation for the TPS54040EVM-456 is shown in -0.02 -0.04 -0.06 -0.08 Figure 4. TPS54040EVM-456 Line Regulation 2.5 Load Transients The TPS54040EVM-456 response to load transients is shown in 75% of maximum rated load at a 24-V input. Total peak-to-peak voltage variation is as shown, including ripple and noise on the output ...

  • Page 7

    ... Figure 6. TPS54040EVM-456 Loop Response 2.7 Output Voltage Ripple The TPS54040EVM-456 output voltage ripple is shown in load of 0.5 A and The ripple voltage is measured directly across the output capacitors. IN Figure 7. TPS54040EVM-456 Output Ripple SLVU298 – March 2009 Submit Documentation Feedback Figure 6 ...

  • Page 8

    ... Test Setup and Results 2.8 Input Voltage Ripple The TPS54040EVM-456 input voltage ripple is shown in of 0.5 A and The ripple voltage is measured directly across the input capacitors. IN 2.9 Powering Up The start-up waveforms are shown in trace shows V . The input voltage is initially applied, and when the input reaches the undervoltage lockout ...

  • Page 9

    ... Figure 10. TPS54040EVM–456 Eco–mode™ Operation 3 Board Layout This section provides a description of the TPS54040EVM-456, board layout, and layer illustrations. 3.1 Layout The board layout for the TPS54040EVM-456 is shown in the EVM is laid out in a manner typical of a user application. The top and bottom layers are 2-oz. copper. ...

  • Page 10

    ... Board Layout Figure 11. TPS54040EVM-456 Top-Side Layout Figure 12. TPS54040EVM-456 Bottom-Side Layout 10 TPS54040EVM-456 0.5-A, SWIFT™ Regulator Evaluation Module www.ti.com SLVU298 – March 2009 Submit Documentation Feedback ...

  • Page 11

    ... Estimated Circuit Area The estimated printed-circuit board area for the components used in this design is 0.55 in not include test point or connectors. 4 Schematic and Bill of Materials This section presents the TPS54040EVM-456 schematic and bill of materials. 4.1 Schematic Figure 14 is the schematic for the TPS54040EVM-456. ...

  • Page 12

    ... Schematic and Bill of Materials 4.2 Bill of Materials Table 5 presents the bill of materials for the TPS54040EVM-456. Table 5. TPS54040EVM-456 Bill of Materials Count RefDes Value 0 C1 Open Capacitor, multi pattern, SM 1210 to E case + F THole 2 C2, C3 2.2 F Capacitor, Ceramic, 50V, X7R 1 C4 0.01 F Capacitor, Ceramic, 25V, X5R, 20% ...

  • Page 13

    ... 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 finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards ...

  • Page 14

    ... 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 and should verify that such information is current and complete. All products are sold subject to TI’ ...