ZHCSOF5A May   2022  – September 2022 TPS25985

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. 说明(续)
  6. Pin Configuration and Functions
  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 Logic Interface
    7. 7.7 Timing Requirements
    8. 7.8 Switching Characteristics
    9. 7.9 Typical Characteristics
  8. 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 General Purpose Comparator
      15. 8.3.15 FET Health Monitoring
      16. 8.3.16 Single Point Failure Mitigation
        1. 8.3.16.1 IMON Pin Single Point Failure
        2. 8.3.16.2 ILIM Pin Single Point Failure
        3. 8.3.16.3 IREF Pin Single Point Failure
        4. 8.3.16.4 ITIMER Pin Single Point Failure
    4. 8.4 Device Functional Modes
  9. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Single Device, Standalone Operation
      2. 9.1.2 Multiple Devices, Parallel Connection
    2. 9.2 Typical Application: 12-V, 3.6-kW Power Path Protection in Datacenter Servers
      1. 9.2.1 Application
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Procedure
      4. 9.2.4 Application Performance Plots
    3. 9.3 Multiple eFuses, Parallel Connection with PMBus
    4. 9.4 Digital Telemetry Using External Microcontroller
    5. 9.5 What to Do and What Not to Do
  10. 10Power Supply Recommendations
    1. 10.1 Transient Protection
    2. 10.2 Output Short-Circuit Measurements
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, 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)
订购信息

特性

  • 输入工作电压范围:4.5 V 至 16 V
    • 绝对最大值为 20V
    • 输出端可耐受高达 -1V 的负电压
  • 具有低导通电阻的集成 FET:0.59mΩ(典型值)
  • 额定电流为 60A RMS,峰值电流为 80A
  • 支持多个电子保险丝并行连接,从而支持更高的电流
    • 启动和稳态期间的主动器件状态同步和负载共享,可实现巨大的可扩展性
  • 强大的过流保护
    • 可调过流阈值 (IOCP):10A 至 60A,精度为 ±6%(最大)
    • 在稳态运行期间,断路器通过可调瞬态消隐计时器 (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)
    • 可调节 (2 × IOCP) 和固定阈值
    • 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
    • ±1.4% 精度
    • 带宽大于 500kHz
  • 快速过压保护(16.6V 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
    • 确保 FET SOA:12W√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)
  • 非限定通用快速比较器
  • 小尺寸:QFN 封装(4.5mm × 5mm,间距为 0.6mm)
    • 电源引脚和 GND 引脚之间的间隙为 29mil
  • 100% 无铅