ZHCSMA7B January   2022  – September 2022 TPS4811-Q1

ADVANCE INFORMATION  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Device Comparison Table
  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 Switching Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Charge Pump and Gate Driver output (VS, PU, PD, BST, SRC)
      2. 8.3.2 Capacitive Load Driving
        1. 8.3.2.1 FET Gate Slew Rate Control
        2. 8.3.2.2 Using Precharge FET - (with TPS48111-Q1 Only)
      3. 8.3.3 Overcurrent and Short-Circuit Protection
        1. 8.3.3.1 Overcurrent Protection With Auto-Retry
        2. 8.3.3.2 Overcurrent Protection With Latch-Off
      4. 8.3.4 Short-Circuit Protection
      5. 8.3.5 Analog Current Monitor Output (IMON)
      6. 8.3.6 Overvoltage (OV) and Undervoltage Protection (UVLO)
      7. 8.3.7 Remote Temperature sensing and Protection (DIODE)
      8. 8.3.8 TPS4811x-Q1 as a Simple Gate Driver
    4. 8.4 Device Functional Mode (Shutdown Mode)
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application: Driving HVAC PTC Heater Load on KL40 Line in Power Distribution Unit
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Tpyical Application: Driving B2B FETs With Pre-Charging the Output Capacitance
      1. 9.3.1 Design Requirements
      2. 9.3.2 External Component Selection
      3. 9.3.3 Application Curves
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 术语表
  11. 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)
订购信息

特性

  • 具有符合 AEC-Q100 标准的下列特性
    • 器件温度等级 1:
      –40°C 至 +125°C 环境工作温度范围
    • 器件 HBM ESD 分类等级 2
    • 器件 CDM ESD 分类等级 C4B
  • 功能安全型
  • 3.5V 至 80V 输入范围(绝对最大值 100V)
  • 具有 100µA 容量的集成 12V 电荷泵
  • 1.7µA 低关断电流(EN/UVLO = 低电平)
  • 强上拉和下拉栅极驱动器:4A
  • 驱动外部背对背 N 沟道 MOSFET
  • 具有集成预充电开关驱动器 (TPS48111-Q1) 以驱动容性负载的变体
  • 具有可调断路器计时器 (TMR) 和故障标志输出 (FLT_I) 的两级可调过流保护 (IWRN、ISCP)
  • 快速短路保护:1.2µs (TPS48111-Q1)、5µs (TPS48110-Q1)
  • 准确的模拟电流监控器 (IMON) –
    30mV VSNS 下 < ±2%

  • 可调节欠压锁定 (UVLO) 和过压保护 (OV)
  • 具有故障标志输出 (FLT_T) 的远程过热检测 (DIODE)