ZHCU710 October   2019

 

  1.    说明
  2.    资源
  3.    特性
  4.    应用
  5.    设计图像
  6. 1System Description
    1. 1.1 Key System Specifications
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 TLV61048
      2. 2.3.2 TPS560430
      3. 2.3.3 TL431
      4. 2.3.4 CSD25310Q2
    4. 2.4 System Design Theory
      1. 2.4.1 Super Capacitor Linear Charger Circuit
      2. 2.4.2 Boost Converter Solution
      3. 2.4.3 Buck Converter Solution
  8. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Required Hardware and Software
      1. 3.1.1 Hardware
    2. 3.2 Testing and Results
      1. 3.2.1 Test Setup
      2. 3.2.2 Test Results
        1. 3.2.2.1 Linear Charger Operating Waveform
        2. 3.2.2.2 Transient Waveform When Vbus fails
        3. 3.2.2.3 Super Capacitor Discharging Waveform
  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 商标
    2. 6.2 Third-Party Products Disclaimer

1.1 Key System Specifications

Table 1 gives the performance specification of the TIDA-050033 reference design. The TLV61048 boost converter can output a stable 12 V DC voltage when the super capacitor voltage drops to 1.3 V.

Table 1. Key System Specifications

PARAMETER DESCRIPTION
Super capacitor operating voltage 1.3 V to 2.5 V
Super capacitor charging time 330 seconds
Super capacitor charging current 60 mA
Back up power lasting time 45 seconds
Boost converter output voltage 12 V
PLC Module current 200mA for 5ms, 25mA for 995ms rest
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