SLAU963 May   2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Quick Start Guide
    1. 2.1 TAS2118EVM Setup for Software Mode
      1. 2.1.1 PurePath Console Software Setup
    2. 2.2 TAS2118EVM Setup for Hardware Pin-Control Mode
  9. 3Hardware
    1. 3.1 I2C Target Address Selection
    2. 3.2 VBAT Power Supply Options
      1. 3.2.1 External PVDD EVM Hardware Configuration
    3. 3.3 VDD Power Supply Options
    4. 3.4 IOVDD Power Supply Options
    5. 3.5 Speaker Outputs
    6. 3.6 AC-MB Settings
      1. 3.6.1 Audio Serial Interface Settings
      2. 3.6.2 USB Audio AC-MB Settings
      3. 3.6.3 External Audio AC-MB Settings
    7. 3.7 AC-MB Power Supply
    8. 3.8 4-Wire Measurement of Load
    9. 3.9 2-Channel Configuration
  10. 4Troubleshooting
  11. 5Hardware Design Files
    1. 5.1 Schematics
    2. 5.2 PCB Layouts
    3. 5.3 Bill of Materials
  12. 6Additional Information
    1. 6.1 Trademarks
  13. 7Revision History

4 Troubleshooting

This section provides a series of responses for possible errors that can present during the evaluation of TAS2118EVM.

  • EVM connects to PPC3 but shows invalid hardware error:

    • Make sure J3-IOVDD on the companion AC-MB board is set to either 3.3V or 1.8V. Please note 1.2V is not supported by TAS2118 and is not be used.
    • Make sure J54 on TAS2118EVM is open. This is an optional jumper that is only used in special cases when connecting 2 EVMs together as described in Section 3.9.
    • Make sure J18 and J19 at the bottom side of TAS2118EVM are shorted. These are I2C SDA and SCL related jumpers and is open only when evaluating TAS2118 in Hardware mode.
    • Make sure EEPROM is properly programmed to work correctly for TAS2118EVM. Use I2C Master tool within PPC3 to run these couple of commands:
      • w a0 00 00
      • r a0 00 1a

      Compare the resulting values with the ones below:

      54 41 53 32 31 31 38 2d 45 56 4d 00 52 45 56 2d 41 00 53 2f 4e 2d 30 30 30 30

      If the values are not the same, run this command:

      w a0 00 00 54 41 53 32 31 31 38 2d 45 56 4d 00 52 45 56 2d 42 00 53 2f 4e 2d 30 30 30 30

      TAS2118EVM EEPROM Programming ScriptFigure 4-1 EEPROM Programming Script
  • EVM connects and configures correctly but there is no audio output:
    • TAS2118EVM operates as a sound-card. Make sure the volume is properly set and that the device is not muted.
    • Make sure the EVM is selected as the playback device.
      TAS2118EVM Device Selection and Volume SettingsFigure 4-2 Device Selection and Volume Settings