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  • RE: TAS2557EVM: TAS2557EVM + PP-SALB2-EVM usage problem with the speaker in vented box.

    Hi Jim, I have tuned speakers with similar Impedance profiles. (2 resonance frequencies). for fitting the model during characterization you can work around this by excluding the second resonance from the model fit. For example from 200Hz-1100Hz. Since…
    • Answered

  • TAS2557EVM: TAS2557EVM: PPC3 can’t connect to TAS2557EVM

    Resolved
    Part Number: TAS2557EVM Other Parts Discussed in Thread: TAS2557 Hi Sirs, We have met some problems on TAS2557EVM operation. We used it normally the day before, but we today we turned on the power for TAS2557EVM board, the PPC3 can’t connect to device…
    • Resolved
    • Answered

  • TAS2557EVM: How do I disable OCP on TAS2557?

    Resolved
    Part Number: TAS2557EVM Other Parts Discussed in Thread: TAS2557 , Dear Engineer, My TAS2557 EVM is controlled by External MCU (STM32) wiring I2C and I2S Interface, not using PPC3. I'm using TAS2557EVM on Mode2 Scenario (PCM Input Playback + PCM IVsense…
    • Resolved
    • Answered

  • TAS2557EVM: How to set IV Sense on the left / right channel I2S return data.

    Resolved
    Part Number: TAS2557EVM Other Parts Discussed in Thread: TAS2557 Dear Expert, I'm using Rom Mode2 for getting IV Sense data on I2S Interface. To configuration, I used "End System Integration" on PPC3 like below sequence. <Sequence>…
    • Resolved
    • Answered

  • TAS2557EVM: How to run internal DSP for using protection algorithm by PPC3.

    Resolved
    Part Number: TAS2557EVM Dear TI, We have TAS2557EVM Board and we use PPC3 for controlling it. In the "Test and Measurement" in PPC3, We can only select Rom Mode1 or Rom Mode2. Below is my simple questions. 1. Can we use DSP speaker protection…
    • Resolved

  • TAS2557EVM: Controlling TAS2557EVM by external I2C and I2S on STM32 MCU

    TI Thinks Resolved
    Part Number: TAS2557EVM Other Parts Discussed in Thread: TAS2557 Hi, TI. I'm planing to control TAS2557EVM using external I2C and I2S on STM32 MCU like below. Please check below questions. 1. Are there any specific configuration for using external…
    • Answered

  • RE: TAS2557EVM: Boost Mode Control on RomMode2

    Resolved
    Hi SeungKyu, Based on previous observations, that may be the expected results, you may need to change to a newer device like TAS2563 for a more define Class-H control. Best regards, -Ivan Salazar Applications Engineer
    • Answered

  • TAS2557EVM: Questions about VI Feedback in Rom Mode2

    Resolved
    Part Number: TAS2557EVM Other Parts Discussed in Thread: TAS2557 Dear Expert, I have some questions about VI feedback data in Rom Mode2. <ADC bit resolution and calculation> In TAS2557 datasheet, we can get VI sensing data by Digital output using…
    • Resolved
    • Answered

  • RE: TAS2557EVM: TAS2557EVM +LB2+PPC3 V3.2.0 Fails Hardware Checks and Speaker Normalisation

    Resolved
    Hi Nick, ROM mode 1 is a simple amplifier with digital input, signal processing features and IV-sense is disabled in this mode. ROM mode 2 is same as ROM 1, but with IV-sense enabled, signal processing features are still disabled. Best regards, -Ivan S…

  • TAS2557EVM: Test with PPC3

    TI Thinks Resolved
    Part Number: TAS2557EVM Other Parts Discussed in Thread: PP-SALB2-EVM , TAS2555 , TAS2557 Dears We have the TAS2557EVM and also the PPC3 software, after we install the software, and the EVM can be identified by the computer, just as the EVM guide showing…

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