JAJU875 July   2020

 

  1.   概要
  2.   リソース
  3.   特長
  4.   アプリケーション
  5.   5
  6. 1System Description
    1. 1.1 Key System Specifications
  7. 2System Overview
    1. 2.1 ブロック図
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 TPS62864
      2. 2.3.2 TPS62088
      3. 2.3.3 TLV73318
    4. 2.4 System Design Theory
      1. 2.4.1 Designing Buck Converter Circuit TPS62864
      2. 2.4.2 Designing Buck Converter Circuit TPS62088
      3. 2.4.3 Designing Buck Converter Circuit TLV73318
  8. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Testing and Results
      1. 3.1.1 Test Setup
      2. 3.1.2 Test Results
        1. 3.1.2.1 Startup with no load
        2. 3.1.2.2 Load Transient Rail SoC 0.9V
        3. 3.1.2.3 Load Transient Rail NAND I/O 1.2 V
        4. 3.1.2.4 Load Transient Rail NAND VCC 2.5 V
        5. 3.1.2.5 Output Ripple Rail SoC 0.9 V
        6. 3.1.2.6 Output Ripple Rail NAND I/O 1.2 V
        7. 3.1.2.7 Output Ripple Rail NAND VCC 2.5 V
        8. 3.1.2.8 Output Ripple Rail SOC I/O 1.8 V
        9. 3.1.2.9 Efficiency
  9. 4Design Files
    1. 4.1 Schematics
    2. 4.2 Bill of Materials
    3. 4.3 PCB Layout Recommendations
      1. 4.3.1 Layout Prints
    4. 4.4 Altium Project
    5. 4.5 Gerber Files
    6. 4.6 Assembly Drawings
  10. 5Software Files
  11. 6Related Documentation
    1. 6.1 Trademarks
    2. 6.2 Third-Party Products Disclaimer

1.1 Key System Specifications

Table 1-1 Key System Specifications
PARAMETERS CONDITIONS MIN TYP MAX UNIT
Input voltage range 2.7 3.3 5.5 V
OUTPUTS PROVIDED
TPS62864 0V9 SOC_CORE Output voltage VIN = 3.3 V 0.4 0.9 1.675 V
Output current 4 A
TP62088 1V2 NAND_IO Output voltage VIN = 3.3 V 0.6 1.2 3.1 V
Output current 3 A
TPS62088 2V5 NAND_VCC Output voltage VIN = 3.3 V 0.6 2.5 3.1 V
Output current 3 A
TLV73318 1V8 SOC_IO Output voltage VIN = 3.3 V 1.8 A
Output current 300 mA