SLOA326 October   2022 TAS2781

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Hybrid-Pro Boost Controller
  5. 3Hardware, Software, and Test Results
    1. 3.1 Hardware Connections
      1. 3.1.1 Schematic Connections
      2. 3.1.2 Equations
    2. 3.2 Software Settings
      1. 3.2.1 Steps To Enable Class-H Using PPC3
      2. 3.2.2 Class-H Configuration Settings
    3. 3.3 Hybrid-Pro Feature Performance Results
      1. 3.3.1 Class-H Operation
        1. 3.3.1.1 PWM Steps
        2. 3.3.1.2 Lookahead Time
        3. 3.3.1.3 Margin
        4. 3.3.1.4 Inflation Factor
      2. 3.3.2 Battery Life
      3. 3.3.3 Thermal Performance
  6. 4References

References

  1. Texas Instruments, TAS2781 23-V Class D Amplifier with Real Time Integrated Speaker Protection and Audio Processing data sheet
  2. Texas Instruments, TAS2783 23-V SoundWire Class-D Amplifier with Real Time Integrated Speaker Protection and Audio Processing data sheet
  3. Texas Instruments, TPS61089x 12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package data sheet
  4. Texas Instruments, Benefits of Class-G and Class-H Boost in Audio Amplifiers application note
  5. Texas Instruments, TIDA-020033 Automotive Class-H Audio and Tracking Power Supply reference design