Texas Instruments SLVU013 Manuals

Manuals and User Guides for Texas Instruments SLVU013. We have 1 Texas Instruments SLVU013 manual available for free PDF download: User Manual

Texas Instruments SLVU013 User Manual

Texas Instruments SLVU013 User Manual (64 pages)

high-density synchronous buck converter design using TPS56xx Controller

Brand: Texas Instruments | Category: Media Converter | Size: 0.71 MB

Table of Contents

Table of Contents
5
1 Introduction

9
- Synchronous Buck Regulator Operation
  10
- Simplified Synchronous Buck Converter Schematic
  10
  - Hysteretic Control Operation
    11
- Simplified Hysteretic Controlled Output Voltage Waveform
  11
  - Design Strategy
    12
  - Design Specification Summary
    13
  - Design Specification Summary
    14
  - Schematic
    15
  - Bill of Materials
    16
  - Board Layout
    18
- Top Assembly
  18
- Bottom Assembly (Top View)
  18
- Top Layer
  18
- Bottom Layer (Top View)
  19
2 Design Procedure

21
- Tps56Xx Functions
  22
  - VCC Undervoltage Lockout
    23
- Tps56Xx Functional Block Diagram
  23
  - Inhibit
    24
  - Slowstart Design
    24
  - Hysteresis Setting
    25
  - Noise Suppression
    27
  - Overcurrent Protection
    27
- Block Diagram Showing Noise Suppression Circuits
  27
- VDS Sensing Circuit
  28
  - Overvoltage Protection
    30
  - Power Good
    30
  - Bias
    30
  - Gate Drivers
    30
- Gate Driver Block Diagram
  31
- I-V Characteristic Curve for Low-Side Gate Drivers
  32
  - External Component Selection
    34
    
    Input Capacitance
    34
    
    Output Filter Design
    34
    
    Switching Frequency Analysis
    37
- Output Ripple Voltage Detail
  38
  - Power MOSFET Selection
    40
3 Test Results

41

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