ZHCSTG6A July   2023  – October 2023 TPS25984

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. 说明(续)
  7. Pin Configuration and Functions
  8. 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 Logic Interface
    7. 7.7 Timing Requirements
    8. 7.8 Switching Characteristics
    9. 7.9 Typical Characteristics
  9. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Undervoltage Protection
      2. 8.3.2  Insertion Delay
      3. 8.3.3  Overvoltage Protection
      4. 8.3.4  Inrush Current, Overcurrent, and Short-Circuit Protection
        1. 8.3.4.1 Slew Rate (dVdt) and Inrush Current Control
          1. 8.3.4.1.1 Start-Up Time Out
        2. 8.3.4.2 Steady-State Overcurrent Protection (Circuit-Breaker)
        3. 8.3.4.3 Active Current Limiting During Start-Up
        4. 8.3.4.4 Short-Circuit Protection
      5. 8.3.5  Analog Load Current Monitor (IMON)
      6. 8.3.6  Mode Selection (MODE)
      7. 8.3.7  Parallel Device Synchronization (SWEN)
      8. 8.3.8  Stacking Multiple eFuses for Unlimited Scalability
        1. 8.3.8.1 Current Balancing During Start-Up
      9. 8.3.9  Analog Junction Temperature Monitor (TEMP)
      10. 8.3.10 Overtemperature Protection
      11. 8.3.11 Fault Response and Indication (FLT)
      12. 8.3.12 Power-Good Indication (PG)
      13. 8.3.13 Output Discharge
      14. 8.3.14 FET Health Monitoring
      15. 8.3.15 Single Point Failure Mitigation
        1. 8.3.15.1 IMON Pin Single Point Failure
        2. 8.3.15.2 ILIM Pin Single Point Failure
        3. 8.3.15.3 IREF Pin Single Point Failure
        4. 8.3.15.4 ITIMER Pin Single Point Failure
    4. 8.4 Device Functional Modes
  10. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Single Device, Standalone Operation
      2. 9.1.2 Multiple Devices, Parallel Connection
      3. 9.1.3 Multiple eFuses, Parallel Connection With PMBus
      4. 9.1.4 Digital Telemetry Using External Microcontroller
    2. 9.2 Typical Application: 12-V, 3.3-kW Power Path Protection in Data Center Servers
      1. 9.2.1 Application
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Procedure
      4. 9.2.4 Application Curves
    3. 9.3 Best Design Practices
    4. 9.4 Power Supply Recommendations
      1. 9.4.1 Transient Protection
      2. 9.4.2 Output short-Circuit Measurements
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 静电放电警告
    5. 10.5 术语表
  12. 11Mechanical, Packaging, and Orderable 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)

特性

  • 输入工作电压范围:4.5 V 至 16 V
    • 绝对最大值:20V
    • 输出端可耐受高达 -1V 的负电压
  • 具有超低导通电阻的集成式 FET:0.8mΩ(典型值)
  • 额定 RMS 电流为 55A,峰值电流为 70A
  • 支持多个电子保险丝并行连接,从而支持更高的电流
    • 启动和稳态期间器件运行状态同步和负载共享
  • 强大的过流保护
    • 可调过流阈值 (IOCP):10 A 至 55 A,精度为 ±5%
    • 在稳态运行期间,断路器通过可调瞬态过流计时器 (ITIMER) 进行响应,可支持高达 2 × IOCP 的峰值电流
    • 启动期间运行模式下的可调电流限制 (ILIM)
  • 强大的短路保护
    • 针对输出短路事件进行快速跳变响应 (< 200ns)
    • 可调阈值 (2 × IOCP)
    • 不受电源线路瞬变影响 - 无干扰性跳变
  • 精确的模拟负载电流监控
    • 精度:±1.4%
    • 带宽:> 500 kHz
  • 快速过压保护(16.7V 固定阈值)
  • 可调节输出压摆率控制 (dVdt),用于提供浪涌电流保护
  • 带有可调节欠压锁定 (UVLO) 的高电平有效使能输入
  • 过热保护 (OTP) 以确保实现 FET SOA 保护
    • 保证的 FET SOA:10W√s
  • 集成式 FET 运行状况监测和报告
  • 模拟芯片温度监测器输出 (TEMP)
  • 故障指示专用引脚 (FLT)
  • 电源正常状态指示引脚 (PG)
  • 小尺寸:QFN 5mm × 5mm
  • 100% 无铅