Texas Instruments TPS65912xEVM-081 How To Use Manual

Evaluation module

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Abstract
This user's guide provides a detailed account of the TPS65912x Evaluation Module (EVM) including a
general overview, schematic diagram, board layout, setup instructions, graphical user interface (GUI) and
bill of materials (BOM). Use this EVM for integrated circuit (IC) evaluation and also for design reference.
The TPS65912x is a power management unit (PMU) for processor power.
How to Use This Manual
This document is formatted in order of operation; become familiar with the schematic and layout before
proceeding to the setup section.
Notational Conventions
EVM – Evaluation Module
PMU – Power Management Unit
IC – Integrated Circuit
PMIC – Power Management Integrated Circuit
BOM – Bill of Materials
PCB – Printed-circuit board
GUI – Graphical User Interface
Information About Cautions and Warnings
This book may contain cautions and warnings.
Please read this document thoroughly.
Not following this document in detail could potentially damage your software or
equipment.
Please take all possible safety precautions.
Improper use of this evaluation module could potentially cause
physical harm.
The information in a caution or a warning is provided for protection. Please read each caution and warning
carefully.
SLVU750A – July 2012 – Revised May 2013
Submit Documentation Feedback
TPS65912xEVM-081 User's Guide
CAUTION
WARNING
Copyright © 2012–2013, Texas Instruments Incorporated
SLVU750A – July 2012 – Revised May 2013
TPS65912xEVM-081 User's Guide
Preface
1

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Summary of Contents for Texas Instruments TPS65912xEVM-081

  • Page 1 The information in a caution or a warning is provided for protection. Please read each caution and warning carefully. SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 User's Guide Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 2: Related Documentation From Texas Instruments

    TPS65912xEVM-081 User's Guide SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 3 SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 TPS65912xEVM-081 Overview The TPS65912xEVM-081 allows evaluation of the IC and serves a reference design. Introduction to Using the TPS65912xEVM-081 Make a copy of this user’s guide available to the operator of this EVM.
  • Page 4 D2 CONFIG2 VLDO10 VLDO10 INTA INTA SQW_INTB INTA SCL_CLK SDA_MOSI Components with no values are not installed. Figure 1. TPS65912xEVM-081 Schematic Page 1/2 TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 5 VCCS_VIN_MON PWRON VDCDC3 VCCS_VIN_MON VINLDO9 PWRHOLD 2.2uF 22uF VINLDO9 Components with no values are not installed. Figure 2. TPS65912xEVM-081 Schematic Page 2/2 SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 6 Layout www.ti.com Layout The EVM board layout is detailed in the following images: Figure 3. TPS65912xEVM-081 Layout Top TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 7 Layout www.ti.com Figure 4. TPS65912xEVM-081 Layout Layer 2 SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 8 Layout www.ti.com Figure 5. TPS65912xEVM-081 Layout Layer 3 TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 9 Layout www.ti.com Figure 6. TPS65912xEVM-081 Layout Layer 4 SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 10 Layout www.ti.com Figure 7. TPS65912xEVM-081 Layout Layer 5 TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 11 Layout www.ti.com Figure 8. TPS65912xEVM-081 Layout Bottom SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 12: Additional Hardware

    If the preceding instructions were followed, the EVM is operating under its default conditions. Refer to the TPS65912x data sheet (SWCS054) for default converter/LDO state and loading conditions. TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 13: Layout Considerations

    VINDCDC_ANA. Its input current is only a few mA, so the trace does not have to be very wide. SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 14 GND plane needs to be done without using long traces- preferably by a via to the GND plane. TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 15 Connection to Power GND Figure 9. Example for Item1: GND Connections for Elements in DCDC1. Figure 10. Example for Item 1. GND Plane SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 16 Figure 11. Example for Item 2: GND Connections for Elements in DCDC1. 5.3.3 Analog Supply Figure 12. Example for Item 3: Analog Supply TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 17 Layout Considerations www.ti.com 5.3.4 Inductor Figure 13. Example for Item 4: Inductor Location and Routing SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 18 5.3.5 DCDC Output Voltage Feedback and Remote Sensing Figure 14. Example for Items 5 and 6: DCDC Feedback and Remote Sensing TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 19 Figure 15. Example for Item 7: Vcc, Analog Supply Voltage 5.3.7 Analog, Digital and Power GND Connections Figure 16. Example for Item 8: Connection of PGND to GND SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 20 Layout Considerations www.ti.com Figure 17. Example for Item 8: Connection of AGND and DGND to GND TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 21: Graphical User Interface

    Connect the USB cable of the USB-TO-GPIO to the PC. An overview of the GUI is shown in Figure Figure 18. Graphical User Interface Screen Shot SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 22 R41-44, R46, R48, R25, R50, R52, R55, R59-62 KT11P2JM34LFS Switch, SPST, PB momentary, sealed tactile 0.245 × 0.251 in KT11P2JM34LFS C & K TPS65912xEVM-081 SLVU750A – July 2012 – Revised May 2013 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 23 Oscillator, SMT, xxMHz, ±3ppm per year 3.2 × 5 mm CXO-7CxxMHz Open Clock oscillator HC-49 MPxxx – – Shunt, 100-mil, black 0.100 929950-00 – – PWR081 SLVU750A – July 2012 – Revised May 2013 TPS65912xEVM-081 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated...
  • Page 24: Important Notice

    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.
  • Page 25: Texas Instruments

    Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPS659122EVM-081 TPS659121EVM-081...

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