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TPA6204A1: Speaker amplifier circuit

rabah benamara
Prodigy 10 points

Part Number: TPA6204A1
Other Parts Discussed in Thread: TPA2026D2, TPA3111D1, TINA-TI

Tool/software:

I am looking for a replacement for the tpa6204a1. The purpose of the circuit is to drive a speaker. The input is analogue, and class AB amplifier is preferred but class D can be considered as well.
I think the output power of the amplifier should be higher than the rated input power of the speaker if I am not mistaken. So maybe around 6 or 7W output power.

Speaker specs:
Rated Input Power 3 Watts
Max Input Power 4 Watts
Impedance 8 ohm

I would appreciate your help to select the right power amplifier for this speaker. Please let me know if you need any further details.

  • 0
    TI__Genius 10305 points

    Hey Rabah, 

    On ti.com, navigate to audio speaker amp portfolio. I have circled how to get there in pink.

    I set the load and output power filters to match your speaker spec, TPA2026D2 would be a good choice.   

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    I have attached an image for guide.

    I hope I was able to help.

    Regards,
    Ore

  • 0 in reply to Ore Ogundana
    Prodigy 10 points

    Hi there,

    That was very helpful I found the right power amplifier (TPA3111D1), and it has a PSPICE MODEL. How do i create a model of the TPA3111D1 on LTSPICE using the library provided by TI, considering the model has multiple subckts ?
    I was able to create all the subckts but i am not sure how to connect them together.
    Or should I change the code to create one model?

  • 0 in reply to rabah benamara
    TI__Genius 10305 points

    Hey Rabah, 

    The scope of this thread covers alternative recommendations for TPA6204A1.

    As far as useable TPA3111D1 SPICE models, we only support PSpice Models and TINA Models not LTSPICE. 

    TINA-TI is an easy to use tool. Use this guide to get started.

    I ran a quick transient simulation using the TPA3111D1 TINA-TI reference design.

     

    I hope this was informative.

    Regards,

    Ore.