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  • TPA3255-Q1: Overload when output power is only ~40W

    Part Number: TPA3255-Q1 Other Parts Discussed in Thread: TPA3255 We are testing TPA3255-Q1 and there is a big problem In PBTL Mode I give input signal as 100hz boost from 0 to 1V, load as 4R, when input >=1V Error signal will be triggered low, OTW stay…
    • Answered

  • TPA3255-Q1: Distorted sine output

    Resolved
    Part Number: TPA3255-Q1 Other Parts Discussed in Thread: TPA3255 , TAS5634 Hi, I am using the tpa3255-Q1 to amplify a 40 kHz signal in BTL mode. I wanted to connect a transducer array to the amplifier and the expected resistance of the array was calculated…
    • Resolved

  • TPA3255-Q1: TPA3255-Q1 to drive ultrasonic transducer

    TI Thinks Resolved
    Part Number: TPA3255-Q1 Other Parts Discussed in Thread: TPA3255 Hello I woud like to use TPA3255 to drive an ultrasonic transducer up to 60 watt ; the frequency is between 20khz to 32khz . is this IC suitable for my application ? I need an impedance t…
    • Answered

  • TPA3255: TPA3255 and TPA3255-Q1: Absolute Maximum Ratings of VDD, GVDD

    Resolved
    Part Number: TPA3255 Hi Team, Absolute Maximum Ratings of VDD, GVDD TPA3255 :13.2V TPA3255-Q1:11.4V TPA3255-Q1 is a little lower than TPA3255. What's the reason? Is it because the degrade duo to the difference of Op Temp? Is there any difference between…
    • Resolved
    • Answered

  • TPA3255-Q1: Efficiency And Other Component Options

    Resolved
    Part Number: TPA3255-Q1 Other Parts Discussed in Thread: TPA3255 1) From my measurements the TPA3255-Q1 itself uses ~6 Watts while running. Are there ways I can decrease the power the chip uses to make it more efficient? It uses 6 Watts whether or not it…
    • Resolved

  • TPA3255-Q1: TPA3255-Q1 output power can't reach 480W

    Part Number: TPA3255-Q1 Hi TI customer, Now we are developing a new D-class audio amplifier box with TPA3255-Q1, but we found the performance are different between different batches. We use professional audio test equipment to test the product, which…

  • TPA3255-Q1: The device cannot startup in PBTL mode and with with Post-Filter Feedback

    TI Thinks Resolved
    Part Number: TPA3255-Q1 Hi experts, My customer tried Post-Filter Feedback circuit with TPA3255-Q1 working in PBTL mode based on our application report (SLAA788A: "TPA324x and TPA325x Post-Filter Feedback"). The design is completely same as the APP report…

  • TPA3255-Q1: BTL specification of 2ohm

    TI Thinks Resolved
    Part Number: TPA3255-Q1 Hello Support team, The specifications do not include the 2Ω output power specification for BTL. Does that mean you don't guarantee? Best Regards. Kaz

  • TPA3255-Q1: About heat dissipation structure

    TI Thinks Resolved
    Part Number: TPA3255-Q1 Other Parts Discussed in Thread: TPA3255EVM , TPA3255 Hello Support team, The TPA3255EVM uses the ATS-TI10P-519-C1-R3 heatsink. The space where the IC is in close contact with the ATS-TI10P-519-C1-R3 is 1.00 mm. However, the maximum…

  • TPA3255-Q1: output PWM shock

    TI Thinks Resolved
    Part Number: TPA3255-Q1 Other Parts Discussed in Thread: TPA3255 Hi, I am using TPA3255 in PBTL Configuration. The output PWM have a big shock in its rising edge, how did it come about and how to deal with it ? Thanks! The Schematic diagram and OUT_A signal…

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