• TPA3255: IMD at TPA3255 inputs

  

  Evan Cornell

  TI Thinks Resolved

  Part Number: TPA3255 Hello, I have TPA3255 circuit that is giving me pretty high IMD when I feed in 13kHz + 15kHz dual tone signal. The strange thing is that when measured differentially across TPA_INPUT_A / TPA_INPUT_B, the spectrum looks pretty good…

  • 18 days ago
  • Audio
  • Audio forum
Answered

• RE: TPA3255: Linear power supply design for TPA3255

  

  Robert Taylor1

  Resolved

  Hi Mark/Sam, There are a couple of designs that come to mind here, please check these out and let me know if they will work. https://www.ti.com/tool/PMP10215 https://www.ti.com/tool/PMP21549 Thanks, Robert

  • 21 days ago
  • Audio
  • Audio forum

• TPA3255: Two TPA3255 in parallel

  

  Darren Jenkins

  TI Thinks Resolved

  Part Number: TPA3255 Audio team, I have a couple questions on the TPA3255. Is it possible to parallel 2 TPA3255 with both in PBTL mode to drive a lower impedance load than 1.7 ohm? I found two e2e threads that seemed to say different things. https://e2e…

  • 2 months ago
  • Audio
  • Audio forum

• Tpa3255 OC shutdown.

  

  Mattias Calleberg

  Other Parts Discussed in Thread: TPA3255 I Have a tpa3255 implementation that has problems with OC shutdown or possibly OT. The OC programming resistor is 22k and the heatsink has good contact with the ic, yet I get a latched shutdown situation when output…

  • 12 days ago
  • Amplifiers
  • Amplifiers forum

• TPA3255-Q1: LC Filter Inductor Saturation

  

  Evan Cornell

  Part Number: TPA3255-Q1 Other Parts Discussed in Thread: TPA3255 Would using a filter inductor that has a saturation current lower than the TPA3255 current limit (R_OCADJ=30.1kOhm, I_OC=13A), such as UA8013-AL (Isat_10% = 12A, Isat_30%=13.2A), cause the…

  • 5 days ago
  • Audio
  • Audio forum

• TPA3255: Shutdown pop and voltage difference

  

  Sven Weyers

  Part Number: TPA3255 Hi, I've designed an amp module with the TPA3255 and have built a prototype. The TPA is in BTL mode. During measurement the following issues were found: When the reset pin is pulled down, there is an audible pop on the output…

  • 4 days ago
  • Audio
  • Audio forum
Answered

• TPA3255: Schematic review

  

  CHO SR

  Resolved

  Part Number: TPA3255 Hi Team, My customer is using TPA3255 for Soundbar project. The customer requests a private review of the schematic. Please let me know the mail that I can deliver the file. sr.cho@arrow.com

  • Resolved

  • 1 month ago
  • Audio
  • Audio forum

• TPA3255-Q1: input signal request

  

  Cooper Zhang1

  TI Thinks Resolved

  Part Number: TPA3255-Q1 Other Parts Discussed in Thread: TPA3255 , DRV595 Dear: TPA3255-Q1 , my design is PBTL mode output, input end is INPUT_A，INPUT_B, refer schematic is AC couple, I want to use DC signal input， Could you help give me a suggestion …

  • 28 days ago
  • Audio
  • Audio forum

• TPA3255-Q1: scratches on the thermal pads

  

  kura

  TI Thinks Resolved

  Part Number: TPA3255-Q1 Our customer found scratches on the thermal pads of three TI "TPA3255TDDVRQ1". It is unknown in which process the scratch was made. I would like to send you photo of scratches. so I wonder if it is a scratch that does not…

  • 13 days ago
  • Audio
  • Audio forum
Answered

• TPA3255: D class power amp used to drive piezoelectric acoustic transducer

  

  Sean McPeak

  Resolved

  Part Number: TPA3255 Hello, I am currently working on a development project that is attempting to use the TPA3255 class D power amp IC to drive a piezoelectric acoustic transducer for an underwater application. I have purchased an eval board for the TPA3255…

  • Resolved

  • 11 days ago
  • Audio
  • Audio forum

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