TAS5558: TAS5558

Yuri Simanovich

Part Number: TAS5558

Hi there, I got some questions about TAS5558.

First of all - about PSVC output. As far as I understood It is used to control the power supply output voltage according to the master volume. If I'm right, can I see any reference design of such a power supply to have what to start from?
The second question is - how good is an idea of power supply using PLL to have PWM frequency from TAS5558 as reference to reduce EMI?

Thanks.

over 6 years ago

0 Adam Sidelsky over 6 years ago

TI__Guru 62390 points

Yuri,

Let me look into this and get back to you.

Regards,

-Adam

0 Adam Sidelsky over 6 years ago

TI__Guru 62390 points

Yuri,

You are correct on the operation of the PSVC output. I don't have a specific power supply reference at this time but most Class-G supplies should work for you.

Your second question would depend on the power supply. Some power supplies operate much faster than the PWM frequency and would therefore be better suited without the PWM input.

Regards,

-Adam

0 Yuri Simanovich over 6 years ago in reply to Adam Sidelsky

Prodigy 80 points

PLL allows to get output frequency higher than input one, but proportional to input.

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TAS5558: TAS5558