ZHCSQN0 December   2023 TPS4800-Q1

ADVANCE INFORMATION  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Pin Configuration and Functions
  6. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Charge Pump and Gate Driver Output (VS, PU, PD, BST, SRC)
      2. 7.3.2 Capacitive Load Driving Using FET Gate (PU, PD) Slew Rate Control
      3. 7.3.3 Short-Circuit Protection
        1. 7.3.3.1 Short-Circuit Protection With Auto-Retry
        2. 7.3.3.2 Short-Circuit Protection With Latch-Off
      4. 7.3.4 Overvoltage (OV) and Undervoltage Protection (UVLO)
      5. 7.3.5 Reverse Polarity Protection
      6. 7.3.6 Short-Circuit Protection Diagnosis (SCP_TEST)
      7. 7.3.7 TPS48000-Q1 as a Simple Gate Driver
    4. 7.4 Device Functional Modes
  9. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Application Limitations
        1. 8.1.1.1 Short-Circuit Protection Delay
        2. 8.1.1.2 Short-Circuit Protection Threshold
    2. 8.2 Typical Application: Driving Power at all Times (PAAT) Loads
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Tape and Reel 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

  • 3.5V 至 80V 输入范围(绝对最大值为 100V)
  • 反向输入保护低至 -65V
  • 集成 11V 电荷泵
  • 低静态电流,运行时为 43µA
  • 1.5µA 低关断电流(EN/UVLO = 低电平)
  • 强大的栅极驱动器(2A 拉电流和灌电流)
  • 使用外部 Rsense 或 MOSFET VDS 检测且具有可调延迟 (TMR) 的可调节短路保护 (ISCP)
  • 高侧或低侧电流检测配置 (CS_SEL)
  • 短路故障、输入欠压和短路比较器诊断 (SCP_TEST) 期间的故障指示 (FLT)
  • 栅极驱动 UVLO 的故障指示 (FLT_GD)
  • 可调节输入欠压锁定 (UVLO) 和过压保护 (OV)