SLAAE48 May   2025 TAS5825M

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Smart Amp Fundamentals
    1. 2.1 Speaker Basics and Models
    2. 2.2 Smart Amp Algorithm
  6. 3Preparation Work
    1. 3.1 Hardware Preparation
    2. 3.2 Software Preparation
    3. 3.3 Speaker Information
  7. 4Speaker Characterization
    1. 4.1 Characterization Set-up
    2. 4.2 Characterization Process
    3. 4.3 Speaker Characterization Guide
      1. 4.3.1 Hardware Connection
      2. 4.3.2 Power Up
      3. 4.3.3 Software Configuration
      4. 4.3.4 Speaker Characterization
        1. 4.3.4.1 Preparation
        2. 4.3.4.2 Speaker Type Selection
        3. 4.3.4.3 IV Measurement
        4. 4.3.4.4 Determine BL
        5. 4.3.4.5 Thermal Measurement
        6. 4.3.4.6 SPL Measurement
        7. 4.3.4.7 Safe Operating Area
        8. 4.3.4.8 Speaker Model Export
  8. 5Smart Amp Tuning and Verification
    1. 5.1 Smart Amp Tuning Guide
      1. 5.1.1  System Check
      2. 5.1.2  Choose Processing Flow
      3. 5.1.3  Import Speaker Model
      4. 5.1.4  Analog Gain Setting
      5. 5.1.5  Adjust System Gain
      6. 5.1.6  Equalizer Setting
      7. 5.1.7  Smart Bass Tuning
      8. 5.1.8  Bass Compensation
        1. 5.1.8.1 Corner Frequency
        2. 5.1.8.2 Alignment Order and Type
      9. 5.1.9  Max Level Tuning
        1. 5.1.9.1 Xmax
        2. 5.1.9.2 LAE Frequency
        3. 5.1.9.3 Power Limit
        4. 5.1.9.4 Attack, Decay, Energy
      10. 5.1.10 Anti Clipper
    2. 5.2 Smart Amp Verification
      1. 5.2.1 SPL Response Verification
      2. 5.2.2 Thermal Protection Verification
  9. 6Summary
  10. 7References

5.1.9.3 Power Limit

Power limit is the threshold for the algorithm to trigger speaker thermal protections. This can be input in different methods, namely, power threshold or temperature threshold, which are equivalent to each other based on the speaker models.