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  • TPA3220: OUT1 jump up when reset

    Resolved
    Part Number: TPA3220 Hi team, My customer found the behavior that TPA3220 output jump up when it is reset. This is not only 1 product but all product they have, thus it should be product specification. Please refer to the attached image. Red circle shows…
    • Resolved
    • Answered

  • TPA3220: TPA3220 Master and Slave setting

    Resolved
    Part Number: TPA3220 If I want to synchronize the frequency with two TPA3220, GAIN/SLV pin R1 and R2 to set the master and slave, what is effect the FREQ_ADJ pin all connected to 5V direct? I see datasheet slave device FREQ_ADJ connect to 5V, the master device…
    • Resolved

  • TPA3220: when AC off, there is POP issue

    TI Thinks Resolved
    Part Number: TPA3220 Hi, when the AC is off , there is POP sound. We added the mute control circuit, but whenever we put /CMUTE low, the POP sound would come out. There are two problems: 1. Why does /CMUTE turn low to make POP sound? 2. How to solve…

  • TPA3220: Please suggest us the speaker cable design based on our specification.

    TI Thinks Resolved
    Part Number: TPA3220 Dear Sirs, I have a project named CEXD-AEIAVB01 and implement the TPA3220 (Output Configuration BTL) for two speakers. Each speaker is 12W, 8ohm. The PVDD is 12V. The GVDD, AVDD and VDD are 5V. Please see the screenshot below. We want…

  • TPA3220: Fault and OTW Pull Up Voltage

    Part Number: TPA3220 Good Day, I have a TI TPA3220 on a custom board along with a TPA3220 Micro Eval kit. The issue that I have been seeing is that in the default pull up state, the value is not the 3.3V as stated but actually 3.9V. It seems as though…
    • Answered

  • TPA3220: Design files like PCB for EVM TPA3220

    Resolved
    Part Number: TPA3220 Can you share design files like PCB for EVM TPA3220
    • Resolved

  • TPA3220: design help

    TI Thinks Resolved
    Part Number: TPA3220 Hi team， The attachment is the principle diagram of the circuit, which is described below. I am very honored to be able to get your technical support. Below I will describe the problem and attach the corresponding circuit and parameter…
    • Answered

  • TPA3220: Lowest possible impedance

    Resolved
    Part Number: TPA3220 Hi As a hobby project I am designing automotive audio amp based on TPA3220 D-class amp. What is often happening with this automobile audio stuff is that speakers have quite low impedance (2 ohms or even 1 ohm). I have no concerns regarding…
    • Resolved

  • TPA3220: Pls help review our SCH design.

    TI Thinks Resolved
    Part Number: TPA3220 Other Parts Discussed in Thread: LM5121 Dear Sir/Madam, We have designed the TPA3220 sch according to its datasheet. The background is as below: LM5121 provides 26V to them; 1pcs for tweeter, 2x10Wrms, 17.5Wpeak 1% THD @ 16ohm; 1pcs…

  • TPA3220: TPA3220 inquiry

    TI Thinks Resolved
    Part Number: TPA3220 Hi Team, Customer want to know if they can use TPA3220 in there application. Below is the details. " I would like to know if there is the possibility to automatically detect the nature of the input signal (Mono / Stereo) to have…

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