ZHCSQG4E March   2004  – April 2022 TPS65130 , TPS65131

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power Conversion
      2. 7.3.2 Control
      3. 7.3.3 Enable
      4. 7.3.4 Load Disconnect
      5. 7.3.5 Soft-Start
      6. 7.3.6 Overvoltage Protection
      7. 7.3.7 Undervoltage Lockout
      8. 7.3.8 Overtemperature Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-Save Mode
      2. 7.4.2 Full Operation with VIN > 2.7 V
      3. 7.4.3 Limited Operation with VUVLO < VIN < 2.7 V
      4. 7.4.4 No Operation with VIN < VUVLO
  8. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Programming the Output Voltage
          1. 8.2.2.1.1 Boost Converter
          2. 8.2.2.1.2 Inverting Converter
        2. 8.2.2.2 Inductor Selection
        3. 8.2.2.3 Capacitor Selection
          1. 8.2.2.3.1 Input Capacitor
          2. 8.2.2.3.2 Output Capacitors
        4. 8.2.2.4 Rectifier Diode Selection
        5. 8.2.2.5 External PMOS Selection
        6. 8.2.2.6 Stabilizing the Control Loop
          1. 8.2.2.6.1 Feedforward Capacitor
          2. 8.2.2.6.2 Compensation Capacitors
      3. 8.2.3 Analog Supply Filter
        1. 8.2.3.1 RC-Filter
        2. 8.2.3.2 LC-Filter
      4. 8.2.4 Application Curves
        1.       Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
    3. 9.3 Thermal Considerations
  10. 10Device and Documentation Support
    1. 10.1 Device Support
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 术语表
  11. 11Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RGE|24
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.3.5 Soft-Start

Both converters have implemented soft-start functions. When each converter is enabled, the implemented switch current limit ramps up slowly to its nominal programmed value in about 1 ms. Soft-start is implemented to limit the input current during start-up to avoid high peak currents at the battery which could interfere with other systems connected to the same battery. Without soft-start, the high input peak current could trigger the implemented switch current limit, which can lead to a significant voltage drops across the series resistance of the battery and its connections.