TIDUFE4 June   2026

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 TAS6684-Q1
      2. 2.3.2 LM5125A-Q1
      3. 2.3.3 MSPM0G3507-Q1
  9. 3System Design Theory
    1. 3.1 Boost Output Capacitance and Maximum Output Voltage
    2. 3.2 Peak Power of the Boost Converter
    3. 3.3 Ramp Time and Class-H delay
    4. 3.4 Design of the Class-H Two Stage RC Filter
    5. 3.5 Class-H Tracking with Multiple TAS6684-Q1s
    6. 3.6 TAS6684-Q1 Class-H Parameters
    7. 3.7 Design Parameters
  10. 4Hardware, Software, Testing Requirements, and Test Results
    1. 4.1 Hardware Requirements
    2. 4.2 Software Requirements
    3. 4.3 Test Setup
      1. 4.3.1 Hardware Setup
      2. 4.3.2 Software Setup
    4. 4.4 Test Results
      1. 4.4.1 Test Results of Audio Amplifier
      2. 4.4.2 Test Results of Boost Converter
  11. 5Design and Documentation Support
    1. 5.1 Design Files
      1. 5.1.1 Schematics
      2. 5.1.2 BOM
      3. 5.1.3 PCB Layout Recommendations
        1. 5.1.3.1 Layout Prints
    2. 5.2 Software
    3. 5.3 Documentation Support
    4. 5.4 Support Resources
    5. 5.5 Trademarks
  12. 6About the Author

1.1 Key System Specifications

Table 1-1 Key System Specifications of the Boost Converter
PARAMETER VALUE
Minimum input voltage, Vin_min 9V
Typical input voltage, Vin_typ 14.4V
Maximum input voltage, Vin_max 16V
Minimum output voltage, Vout_min 8V
Maximum output voltage, Vout_max 40V
Maximum output power at maximum output voltage and typical input voltage, Pout_total 1200W
Average current output power, Prated_total 300W
Maximum delay at twice rated output power and typical input voltage, tdelay 100ms
Estimated efficiency, η 95%
Table 1-2 Key System Specifications of the Audio Amplifier
PARAMETER VALUE
Total Channels 8
Speaker Load 4Ω
Total Peak VA of the output 1kVA
Continuous output power 300W rms