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TAS5613A PVdd above recommended

George Biner (Arrow)
Intellectual 705 points
Other Parts Discussed in Thread: PMP, TAS5613A, TAS5630

This is George Biner from Arrow L A

We have a customer who wants to do a demo of a TAS5613A system using the EVM.  As a power supply, they have a TI PMP PS design available that can put out 42V/6A.  Power output will ultimately be 2x150W, 4ohm, 1%THD (but the 6A will limit this). 

Is it possible to run the TAS5613EVM at 42V for demo purposes? this is above the operating max but below the abs max.    

  • 0
    TI__Expert 4320 points

    George

    It can not be recomended to go over the max recomended operating supply voltage - for the TAS5613A this is 38V

    The TI PMP Ps design also probaly have the 42V as nominal - therefore a change is needed - eeither on the PMP design - the voltage sense divider need to be adjusted to set the output voltage to 36V, or the customer should get an amplifier EVM than can handle the 42V like a TAS5630 EVM

    best regards

    Kim N Madsem