ZHCSOF5A May   2022  – September 2022 TPS25985

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 Pin Configuration and 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 Logic Interface
    7. 7.7 Timing Requirements
    8. 7.8 Switching Characteristics
    9. 7.9 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  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. 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)
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订购信息

7.6 Logic Interface

over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SWEN
RSWEN SWEN pin pull-down resistance SWEN de-asserted Low 4.4 8.1 13 Ω
ISWENLKG SWEN pin leakage current SWEN asserted High –2 2
µA
VIH_SWEN(min) SWEN input logic high 1.44 V
VIL_SWEN(max) SWEN input logic low 0.4 V
FAULT INDICATION (FLTB)
RFLTB FLT pin pull-down resistance FLT asserted Low 4.4 8.09 13 Ω
IFLTBLKG FLT pin leakage current FLT de-asserted High –2 2
µA
POWER GOOD INDICATION (PG)
RPG PG pin pull-down resistance PG de-asserted Low 4.3 7.14 13 Ω
IPGKG PG pin leakage current PG asserted High –2 2
µA
COMPARATOR OUTPUT (CMPOUT)
RCMPOUT CMPOUT pin pull-down resistance CMPOUT de-asserted Low 5 8.1 40 Ω
ICMPOUT CMPOUT pin leakage current CMPOUT asserted High –2 2
µA
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