ZHCSJE0 September   2018 UCD90320U

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     简化应用
  4. 4 修订历史记录
  5. 5 说明 （续）
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Non-Volatile Memory Characteristics
    7. 7.7 I2C/PMBus Interface Timing Requirements
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 TI Fusion Digital Power Designer software
      2. 8.3.2 PMBUS Interface
      3. 8.3.3 Rail Setup
    4. 8.4 Device Functional Modes
      1. 8.4.1  Rail Monitoring Configuration
      2. 8.4.2  GPI Configuration
      3. 8.4.3  Rail Sequence Configuration
      4. 8.4.4  Fault Responses Configuration
      5. 8.4.5  GPO Configuration
        1. 8.4.5.1 Command Controlled GPO
        2. 8.4.5.2 Logic GPO
      6. 8.4.6  Margining Configuration
      7. 8.4.7  Pin Selected Rail States Configuration
      8. 8.4.8  Watchdog Timer
      9. 8.4.9  System Reset Function
      10. 8.4.10 Cascading Multiple Devices
      11. 8.4.11 Rail Monitoring
      12. 8.4.12 Status Monitoring
      13. 8.4.13 Data and Error Logging to EEPROM Memory
      14. 8.4.14 Black Box First Fault Logging
      15. 8.4.15 PMBus Address Selection
      16. 8.4.16 ADC Reference
      17. 8.4.17 Device Reset
      18. 8.4.18 Brownout
      19. 8.4.19 Internal Fault Management
      20. 8.4.20 Single Event Upset
    5. 8.5 Device Configuration and Programming
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 社区资源
    2. 12.2 接收文档更新通知
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 术语表
  13. 13机械、封装和可订购信息

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

7.4 Thermal Information

THERMAL METRIC(1) UCD90320U UNIT
ZWS (BGA)
169 PINS
RθJA Junction-to-ambient thermal resistance(2)(6) 41.6 °C/W
RθJC(top) Junction-to-case (top) thermal resistance(2) 15.8 °C/W
RθJB Junction-to-board thermal resistance(2)(5)(7) 18.9 °C/W
ψJT Junction-to-top characterization parameter(4) 0.3 °C/W
ψJB Junction-to-board characterization parameter(5) 20.3 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance n/a °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.
(2) Junction to ambient thermal resistance (θJA), junction to board thermal resistance (θJB), and junction to case thermal resistance (θJC) numbers are determined by a package simulator.
(3) TB is temperature of the board.
(4) TJ = TC + (P × ΨJT)
(5) TJ = TPCB + (P × ΨJB)
(6) TJ = TA + (P × θJA)
(7) TJ = TB + (P × θJB)(3)
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