ZHCSLL2A May   2021  – March 2022 TPS25830A-Q1 , TPS25832A-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing Requirements
    7. 8.7 Switching Characteristics
    8. 8.8 Typical Characteristics
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1  Buck Regulator
      2. 10.3.2  Enable/UVLO and Start-Up
      3. 10.3.3  Switching Frequency and Synchronization (RT/SYNC)
      4. 10.3.4  Spread-Spectrum Operation
      5. 10.3.5  VCC, VCC_UVLO
      6. 10.3.6  Minimum ON-Time, Minimum OFF-Time
      7. 10.3.7  Internal Compensation
      8. 10.3.8  Bootstrap Voltage (BOOT)
      9. 10.3.9  RSNS, RSET, RILIMIT and RIMON
      10. 10.3.10 Overcurrent and Short Circuit Protection
        1. 10.3.10.1 Current Limit Setting using RILIMIT
        2. 10.3.10.2 Current Limit Setting for MFI OCP
        3. 10.3.10.3 Buck Average Current Limit Design Example
        4. 10.3.10.4 External MOSFET Gate Drivers
        5. 10.3.10.5 Cycle-by-Cycle Buck Current Limit
      11. 10.3.11 Overvoltage, IEC and Short to Battery Protection
        1. 10.3.11.1 VBUS and VCSN/OUT Overvoltage Protection
        2. 10.3.11.2 DP_IN and DM_IN Protection
        3. 10.3.11.3 CC IEC and OVP Protection
      12. 10.3.12 Cable Compensation
        1. 10.3.12.1 Cable Compensation Design Example
      13. 10.3.13 USB Port Control
      14. 10.3.14 FAULT Response
      15. 10.3.15 USB Specification Overview
      16. 10.3.16 USB Type-C® Basics
        1. 10.3.16.1 Configuration Channel
        2. 10.3.16.2 Detecting a Connection
        3. 10.3.16.3 Configuration Channel Pins CC1 and CC2
        4. 10.3.16.4 Current Capability Advertisement and VCONN Overload Protection
        5. 10.3.16.5 Plug Polarity Detection
      17. 10.3.17 Device Power Pins (IN, CSN/OUT, and PGND)
      18. 10.3.18 Thermal Shutdown
      19. 10.3.19 Power Wake
    4. 10.4 Device Functional Modes
      1. 10.4.1 Shutdown Mode
      2. 10.4.2 Standby Mode
      3. 10.4.3 Active Mode
      4. 10.4.4 Device Truth Table (TT)
      5. 10.4.5 USB Port Operating Modes
        1. 10.4.5.1 USB Type-C® Mode
        2. 10.4.5.2 Standard Downstream Port (SDP) Mode — USB 2.0, USB 3.0, and USB 3.1
        3. 10.4.5.3 Charging Downstream Port (CDP) Mode
        4. 10.4.5.4 Client Mode
      6. 10.4.6 High-Bandwidth Data-Line Switches
  11. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
      2. 11.2.2 Detailed Design Procedure
        1. 11.2.2.1  Output Voltage
        2. 11.2.2.2  Switching Frequency
        3. 11.2.2.3  Inductor Selection
        4. 11.2.2.4  Output Capacitor Selection
        5. 11.2.2.5  Input Capacitor Selection
        6. 11.2.2.6  Bootstrap Capacitor Selection
        7. 11.2.2.7  VCC Capacitor Selection
        8. 11.2.2.8  Enable and Undervoltage Lockout Set-Point
        9. 11.2.2.9  Current Limit Set-Point
        10. 11.2.2.10 Cable Compensation Set-Point
        11. 11.2.2.11 LD_DET, POL, and FAULT Resistor Selection
      3. 11.2.3 Application Curves
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Ground Plane and Thermal Considerations
    3. 13.3 Layout Example
  14. 14Device and Documentation Support
    1. 14.1 Documentation Support
      1. 14.1.1 Related Documentation
    2. 14.2 Related Links
    3. 14.3 接收文档更新通知
    4. 14.4 支持资源
    5. 14.5 Trademarks
    6. 14.6 静电放电警告
    7. 14.7 术语表
  15. 15Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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1 特性

  • 符合面向汽车应用的 AEC-Q100 标准：
    • 温度等级 1：–40°C 至 +125°C，TA
    • HBM ESD 分类等级 H2
    • CDM ESD 分类等级 C5
  • 同步降压直流/直流稳压器
    • 输入电压范围：4.5V 至 36V
    • 输出电流：3.5A
    • 5.1V 输出电压，精度为 ±1%
    • 电流模式控制
    • 频率可调节：300 kHz 至 2.2 MHz
    • 与外部时钟频率同步
    • 具有扩频频谱抖动的 FPWM
    • 内置补偿功能，便于使用
  • 符合 USB-IF 标准
    • USB Type-C® 1.3 版
      • CC 逻辑、VCONN 拉电流和放电电流
      • USB 电缆极性保护 (POL)
    • 符合 USB BC1.2 规范的 CDP/SDP 模式
    • 符合 MFI 过流限制
  • 针对 USB 电源和通信进行了优化
    • 用户可编程的 USB 电流限制
    • 高达 1.5V 的电缆压降补偿
    • DP 和 DM 上的高带宽数据开关
    • 可用于进行 USB 固件更新的客户端模式
  • 集成保护
    • VBUS 对 VBAT 短路保护
    • DP_IN、DM_IN、CCx 对 VBAT 短路（仅 TPS25830A-Q1）
    • DP_IN、DM_IN、CCx 对 VBUS 短路
    • 符合 CCx IEC 61000-4-2 标准的 DP_IN、DM_IN
      • ±8kV 接触放电和 ±15kV 空气放电
  • 故障标志报告
  • 具有可湿性侧面的 32 引脚 QFN 封装