ZHCU741 July   2020

 

  1.   说明
  2.   资源
  3.   特性
  4.   应用
  5.   5
  6. 1System Description
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 PCB Assembly
      2. 2.2.2 Top Side of PCB Assembly
    3. 2.3 Highlighted Products
      1. 2.3.1 TPS92682-Q1
      2. 2.3.2 TPS92682-Q1
      3. 2.3.3 TPS92520-Q1
      4. 2.3.4 MSP432
      5. 2.3.5 System Design Theory
  8. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
      1. 3.1.1 CISPR 25 Class 5 Test Setup
      2. 3.1.2 LED Load Board Top
      3. 3.1.3 LED Load Board Bottom
    2. 3.2 Test Setup
    3. 3.3 Test Results
      1. 3.3.1  Boost Turn on Delay
      2. 3.3.2  Highbeam/Lowbeam Turn on Delay
      3. 3.3.3  Highbeam/Lowbeam Switch Node and Ripple Current
      4. 3.3.4  Turn Indicator Turn on Delay
      5. 3.3.5  Turn Indictor Turn Off Delay
      6. 3.3.6  Turn Indicator 1.5 Hz Operation
      7. 3.3.7  Turn Indicator Output Voltage and Current
      8. 3.3.8  Daytime Running Light Turn-on Delay
      9. 3.3.9  Daytime Running Light Switch Node and Output Current
      10. 3.3.10 Highbeam/Lowbeam LED Short
      11. 3.3.11 Highbeam/Lowbeam Fault Indicator
      12. 3.3.12 Turn Indicator Fault Output
      13. 3.3.13 TPS92682-Q1 Boost and SEPIC Interleaving
      14. 3.3.14 TIDA-050040 Full Load Efficiency
      15. 3.3.15 Efficiency Highbeam/Lowbeam
      16. 3.3.16 Efficiency Turn Indicator and Daytime Running Light
      17. 3.3.17 Efficiency Highbeam/Lowbeam and Turn Indicator
      18. 3.3.18 CISPR 25 Class 5 EMI Scan
      19. 3.3.19 Top Side Thermal Image DRL at 15W
      20. 3.3.20 Bottom side thermal image DRL at 15W
      21. 3.3.21 Top Side Thermal Image Highbeam/Lowbeam at 30W, Turn Indicator at 7.5W average
      22. 3.3.22 Bottom Side Thermal Image Highbeam/Lowbeam at 30W, Turn Indicator at 7.5W average
  9. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Documentation Support
    3. 4.3 Support Resources
    4. 4.4 Trademarks

特性

  • 两级恒压升压转换器为远光灯/近光灯和转向灯提供两个同步降压转换器

  • 适用于日间行车灯和位置标志灯的 SEPIC 转换器

  • 与车身控制模块的功率规格兼容

  • 为远光灯/近光灯和转向灯提供单个 LED 短路、输出短路和灯串开路检测，实现故障报告和禁用

  • 反向电池保护

  • 远光灯/近光灯功率最大可达 30W

  • 频率为 1.5Hz 且占空比为 50% 时转向灯功率最大可达 15W

  • 从转向灯输入到输出的延迟不到 10ms

  • 日间行车灯/位置灯功率高达 15W
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