SDAA353 May   2026 TAS5802 , TAS5805M , TAS5815 , TAS5822M , TAS5825M , TAS5825P , TAS5827 , TAS5828M , TAS5830

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Introduction
  5. 2 Key TAS58xx Amplifier Parameters and Specifications
  6. 3 Benefits and Key Features of TAS58xx Devices
    1. 3.1 Efficiency Feature: Class H
    2. 3.2 Modulation Schemes: 1SPW, BD, Hybrid
      1. 3.2.1 1SPW Modulation
      2. 3.2.2 BD Modulation
      3. 3.2.3 Hybrid Modulation
      4. 3.2.4 Protection Features
        1. 3.2.4.1 Over-Current Protection (OCP)
        2. 3.2.4.2 Cycle-by-Cycle Current Limit
        3. 3.2.4.3 Over/Under-Voltage Protection (OVP/UVP)
        4. 3.2.4.4 Over-Temperature Protection (OTP)
        5. 3.2.4.5 Thermal Foldback
        6. 3.2.4.6 Short-Circuit Protection (SCP)
        7. 3.2.4.7 DC Protection
        8. 3.2.4.8 PVDD Sensing
    3. 3.3 Tuning and Audio Processing Blocks
      1. 3.3.1 Input Mixer
      2. 3.3.2 Equalizer
      3. 3.3.3 DEPQ
      4. 3.3.4 3-Band DRC
      5. 3.3.5 Dynamic vs. Hard Limiting to Avoid Clipping
        1. 3.3.5.1 AGL
        2. 3.3.5.2 Limiter/Clipper
        3. 3.3.5.3 Output Crossbar
    4. 3.4 EMI Features
      1. 3.4.1 Spread Spectrum
      2. 3.4.2 Phase Sync
  7. 4 Comparing Key TAS58xx Devices
  8. 5 Application-Specific Requirements
    1. 5.1 Bluetooth Speakers
    2. 5.2 Televisions and Soundbars
    3. 5.3 General Audio Applications (Home Stereo, Gaming, and so on)
  9. 6 Application-Specific Recommendations: Utilizing TAS58xx
    1. 6.1 Bluetooth Speakers
    2. 6.2 Television and Soundbars
    3. 6.3 General Audio (Home Stereo, Gaming)
  10. 7 PCB Layout Best Practices for TAS58xx
    1. 7.1 Ground Plane: Pad Up vs Pad Down
    2. 7.2 Trace Width
    3. 7.3 Component Placement
    4. 7.4 Thermal Vias
  11. 8 Design Guidelines and Evaluation (TI Tools and Resources)
  12. 9 Summary
  13. 10References

9 Summary

Texas Instruments' TAS58xx family of Class-D amplifiers provides a compelling design for a wide range of audio applications. By carefully considering application requirements, understanding the key specifications of each device, and following the design guidelines outlined in this application note, unlock the full potential of TI's technology and achieve exceptional audio performance, efficiency, and reliability. Leveraging TI's extensive resources and support network further streamlines the development process and verifies a successful outcome.