Texas Instruments TPS5210EVM-116 User Manual
Texas Instruments TPS5210EVM-116 User Manual

Texas Instruments TPS5210EVM-116 User Manual

High performance vrm using the tps5210

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High Performance VRM
Using the TPS5210
User's Guide
March 1999
Mixed-Signal Products
SLVU011

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Summary of Contents for Texas Instruments TPS5210EVM-116

  • Page 1 High Performance VRM Using the TPS5210 User’s Guide March 1999 Mixed-Signal Products SLVU011...
  • Page 2 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability.
  • Page 3: Read This First

    Related Documentation From Texas Instruments Preface Read This First About This Manual This User’s Guide describes how to connect and evaluate a synchronous buck regulator using a TI TPS5210 Programmable Synchronous Buck Regulator Controller. All the documentation that is required to reproduce this design is included to provide a total system solution.
  • Page 4 Operation of this equipment in other environments may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference. Trademarks TI is a trademark of Texas Instruments Incorporated.
  • Page 5: Table Of Contents

    Running Title—Attribute Reference Contents Introduction ..............Background .
  • Page 7: Introduction

    Chapter 1 Introduction The TPS5210EVM-116 (SLVP116) Synchronous-Buck Converter VRM Evaluation Module provides a method for evaluating the performance of a synchronous buck converter using the TPS5210 ripple regulator controller designed to meet or exceed the Intel VRM8.3 dc-dc converter electrical and mechanical specifications.
  • Page 8: Background

    Parasitic interconnect impedances between the power supply and the processor must be kept to a minimum. Fast responding synchronous buck DC/DC converters controlled by the Texas Instruments TPS5210 hysteretic controller are ideally suited for microprocessor power applications requiring fast response and precise regulation to rapidly changing loads.
  • Page 9: Performance Specification Summary

    Performance Specification Summary 1.2 Performance Specification Summary This section summarizes the performance specifications of the SLVP116 converter. Table 1–1 gives the performance specifications of the converters. Table 1–1. Performance Specification Summary SPECIFICATION TEST CONDITIONS MAX UNITS 5-V Input Input voltage range Input voltage range 12-V Input 11.4...
  • Page 10: Voltage Identification Codes

    Voltage Identification Codes 1.3 Voltage Identification Codes The output voltage is programmed by driving the 5 VID inputs. The output voltage for a given VID input is shown in Table 1–2. Table 1–2. Voltage Identification Codes VID Terminals VREF (0 = GND, 1 = floating or pull-up to 5 V) VID4 VID3 VID2...
  • Page 11: Schematics

    Chapter 2 Schematics This chapter contains the schematic diagrams for the main board and the con- troller board. Topic Page Main Board Schematic Diagram ....... . 2–2 Controller Board Schematic Diagram .
  • Page 12: Main Board Schematic Diagram

    Main Board Schematic Diagram 2.1 Main Board Schematic Diagram Figure 2–1 shows the SLVP116 VRM EVM main board schematic diagram. Figure 2–1. Main Board Schematic Diagram Schematics...
  • Page 13: Daughter Board Schematic Diagram

    Daughter Board Schematic Diagram 2.2 Daughter Board Schematic Diagram Figure 2–2 shows the SLVP116 VRM EVM daughter board (SLVP116DB) schematic diagram. Figure 2–2. Daughter Board Schematic Diagram C101 47 µ F R104 and R105 are User Options For UVLO on 5 V. C102 C103 0.01 µ...
  • Page 14 Schematics...
  • Page 15: Physical Layouts

    Chapter 3 Physical Layouts This chapter contains the assembly, physical layout, and I/O connection draw- ings for the main and daughter boards. Topic Page Assembly View ..........3–2 Assembly Details .
  • Page 16: Assembly View

    Assembly View 3.1 Assembly View Figure 3–1 shows the assembled side view of the SLVP116 VRM EVM. Figure 3–1. Assembled Side View TPS5210 Daughter J101 Board Transistors (Cutaway) Physical Layouts...
  • Page 17: Assembly Details

    Assembly Details 3.2 Assembly Details The power supply module consists of two PWBs; the main board and the daughter board. Figure 3–2 shows the top view and bottom view of the SLVP116 main board. Figure 3–3 shows the front view and back view of the SLVP116 daughter board.
  • Page 18: Daughter Board Assembly

    Assembly Details Figure 3–3. Daughter Board Assembly R107 Q101 R102 C101 U101 C112 D101 C106 R110 R111 R112 R113 C104 C102 R108 Q102 C108 R105 C110 R104 R109 C103 J101 C111 J102 SLVP116DB2 Top Assembly SLVP116DB2 Rev. B 1998 C109 R103 R114 SLVP116DB2 Bottom Assembly (Bottom View)
  • Page 19: Input/Output Connections

    Input/Output Connections 3.3 Input/Output Connections Figure 3–4 shows the input/output connections to the SLVP116. Figure 3–4. Input/Output Connections Programming VRM Motherboard Connector (Top View) 12 10 8 18 16 14 Power Supply Load– (AWG12) 5–V, 50–mA Supply – – Sense– (AWG22) Load Load+ (AWG12) 5–V Return (AWG22)
  • Page 20 Physical Layouts...
  • Page 21: Bills Of Material

    Chapter 4 Bills of Material This chapter contains the bills of material for the main and daughter boards. Topic Page Main Board Bill of Materials ........4–2 Daughter Board Bill of Materials .
  • Page 22: Main Board Bill Of Materials

    Main Board Bill of Materials 4.1 Main Board Bill of Materials Table 4–1 lists materials required for the SLVP116 EVM, Main Board. Table 4–1. Main Board Bill of Materials REF DES PART NUMBER DESCRIPTION Capacitor, OS-Con, 270 µF, 16 V, 20% 16SP270M Sanyo Capacitor, OS-Con, 270 µF, 16 V, 20%...
  • Page 23 Main Board Bill of Materials Table 4-1. Main Board Bill of Materials (Continued) REF DES PART NUMBER DESCRIPTION Inductor, Filter, 1.15 µH, 11 A (8T #18 on T44-8/90 Core) Micro- Metals Inductor, Filter, 1 µH, 25 A (7T #16 on T68-8/90 Core) Micro- Metals For Ref only, Pads on board.
  • Page 24: Daughter Board Bill Of Materials

    Daughter Board Bill of Materials 4.2 Daughter Board Bill of Materials Table 4-2 lists materials required for the controller board, SLVP116 EVM. Table 4–2. Daughter Board Bill of Materials VRM Controller Board (SLVP116DB or SLVP116DB2) PART NUMBER DESCRIPTION Capacitor, Tantalum, 47 µF, 10 V, 20% C101 ECS-H1AD476R Panasonic...
  • Page 25 Daughter Board Bill of Materials Table 4-2. Daughter Board Bill of Materials (Continued) PART NUMBER DESCRIPTION R108 Resistor, Chip, 1 kΩ, 1/16 W, 5% R109 Resistor, Chip, 20 kΩ, 1/16 W, 5% Resistor, Chip, 100 Ω, 1/16 W, 1% R110 R111 Resistor, Chip, 20.0 kΩ, 1/16 W, 1% R112...

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