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

3.2.1 Steps To Enable Class-H Using PPC3

  1. The hardware connections are described in Section 3.1. The TAS278x EVM is powered up using the USB and input power supply. Install the J14 jumper.
  2. Launch TAS278x PPC3 and select the TAS278x EVM plug-in.
  3. Select the speaker configuration - select either Mono or Stereo in the speaker configuration window depending on the system requirements.
  4. Click the Start button at the top-right corner of the GUI window followed by selecting the Connect button at the lower-left corner of the GUI window.
  5. Navigate to the Tuning and Audio Processing page and select a Tuning Mode.
  6. Enable class-H control in the Device Control section. Figure 3-2 and Figure 3-3 show the configurable settings available in this section. Click the Apply button to update the device registers.
  7. The TAS278x device is ready to play audio stream through USB.