ZHCSFC5A August   2016  – September 2017 TPS549D22

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 40-A FET
      2. 7.3.2 On-Resistance
      3. 7.3.3 Package Size, Efficiency and Thermal Performance
      4. 7.3.4 Soft-Start Operation
      5. 7.3.5 VDD Supply Undervoltage Lockout (UVLO) Protection
      6. 7.3.6 EN_UVLO Pin Functionality
      7. 7.3.7 Fault Protections
        1. 7.3.7.1 Current Limit (ILIM) Functionality
        2. 7.3.7.2 VDD Undervoltage Lockout (UVLO)
        3. 7.3.7.3 Overvoltage Protection (OVP) and Undervoltage Protection (UVP)
        4. 7.3.7.4 Out-of-Bounds Operation
        5. 7.3.7.5 Overtemperature Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 DCAP3 Control Topology
      2. 7.4.2 DCAP Control Topology
    5. 7.5 Programming
      1. 7.5.1 Programmable Pin-Strap Settings
        1. 7.5.1.1 Address Selection (ADDR) Pin
        2. 7.5.1.2 VSEL Pin
        3. 7.5.1.3 DCAP3 Control and Mode Selection
        4. 7.5.1.4 Application Workaround to Support 4-ms and 8-ms SS Settings
      2. 7.5.2 Programmable Analog Configurations
        1. 7.5.2.1 RSP/RSN Remote Sensing Functionality
          1. 7.5.2.1.1 Output Differential Remote Sensing Amplifier
        2. 7.5.2.2 Power Good (PGOOD Pin) Functionality
      3. 7.5.3 PMBus Programming
        1. 7.5.3.1 TPS549D22 Limitations to the PMBUS Specifications
        2. 7.5.3.2 Slave Address Assignment
        3. 7.5.3.3 PMBUS Address Selection
        4. 7.5.3.4 Supported Formats
          1. 7.5.3.4.1 Direct Format — Write
          2. 7.5.3.4.2 Combined Format — Read
        5. 7.5.3.5 Stop Separated Reads
        6. 7.5.3.6 Supported PMBUS Commands and Registers
      4. 7.5.4 Register Maps
        1. 7.5.4.1  OPERATION Register (address = 1h)
        2. 7.5.4.2  ON_OFF_CONFIG Register (address = 2h)
        3. 7.5.4.3  CLEAR FAULTS (address = 3h)
        4. 7.5.4.4  WRITE PROTECT (address = 10h)
        5. 7.5.4.5  STORE_DEFAULT_ALL (address = 11h)
        6. 7.5.4.6  RESTORE_DEFAULT_ALL (address = 12h)
        7. 7.5.4.7  CAPABILITY (address = 19h)
        8. 7.5.4.8  VOUT_MODE (address = 20h)
        9. 7.5.4.9  VOUT_COMMAND (address = 21h)
        10. 7.5.4.10 VOUT_MARGIN_HIGH (address = 25h)
        11. 7.5.4.11 VOUT_MARGIN_LOW (address = 26h)
        12. 7.5.4.12 STATUS_BYTE (address = 78h)
        13. 7.5.4.13 STATUS_WORD (High Byte) (address = 79h)
        14. 7.5.4.14 STATUS_VOUT (address = 7Ah)
        15. 7.5.4.15 STATUS_IOUT (address = 7Bh)
        16. 7.5.4.16 STATUS_CML (address = 7Eh)
        17. 7.5.4.17 MFR_SPECIFIC_00 (address = D0h)
        18. 7.5.4.18 MFR_SPECIFIC_01 (address = D1h)
        19. 7.5.4.19 MFR_SPECIFIC_02 (address = D2h)
        20. 7.5.4.20 MFR_SPECIFIC_03 (address = D3h)
        21. 7.5.4.21 MFR_SPECIFIC_04 (address = D4h)
        22. 7.5.4.22 MFR_SPECIFIC_06 (address = D6h)
        23. 7.5.4.23 MFR_SPECIFIC_07 (address = D7h)
        24. 7.5.4.24 MFR_SPECIFIC_44 (address = FCh)
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application: TPS549D22 1.5-V to 16-V Input, 1-V Output, 40-A Converter
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1  Custom Design With WEBENCH® Tools
        2. 8.2.2.2  Switching Frequency Selection
        3. 8.2.2.3  Inductor Selection
        4. 8.2.2.4  Output Capacitor Selection
          1. 8.2.2.4.1 Minimum Output Capacitance to Ensure Stability
          2. 8.2.2.4.2 Response to a Load Transient
          3. 8.2.2.4.3 Output Voltage Ripple
        5. 8.2.2.5  Input Capacitor Selection
        6. 8.2.2.6  Bootstrap Capacitor Selection
        7. 8.2.2.7  BP Pin
        8. 8.2.2.8  R-C Snubber and VIN Pin High-Frequency Bypass
        9. 8.2.2.9  Optimize Reference Voltage (VSEL)
        10. 8.2.2.10 MODE Pin Selection
        11. 8.2.2.11 ADDR Pin Selection
        12. 8.2.2.12 Overcurrent Limit Design
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
      1. 10.2.1 Mounting and Thermal Profile Recommendation
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 使用 WEBENCH® 工具定制设计方案
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 Glossary
  12. 12机械、封装和可订购信息
    1. 12.1 Package Option Addendum
      1. 12.1.1 Packaging Information
      2. 12.1.2 Tape and Reel Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 修订历史记录

Changes from * Revision (August 2016) to A Revision

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