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Closed loop on TAS5630

Ravindra Desai38308
Prodigy 20 points

Other Parts Discussed in Thread: TAS5630

Hello,

If I were to drive the TAS5630 input using a 50/60 Hz sine wave and use a transformer to step-up the voltage to 230Vrms, i.e. use it as the power stage of a sine wave inverter, then can the TAS5630 'built-in closed-loop' be able to regulate the power from no-load to full-load. I understand that since there will be a 50/60 Hz current flowing through the o/p transformer, it would very bulky. I just thought of knowing more about the chip with regards to changing loads, even if it not a typical audio scenario.

Thanks in advance.

Ravindra.

 

  • 0
    TI__Genius 9670 points

    Ravindra,

    Driving a transformer should work as I've seen other applications of this.  The main concern is during no-load, what is the inductance of the transformer?  You don't want to send the part into over-current protection.  When loaded it should not be a problem as long as the impedance is within specification of the device.

    Brian