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  • Author Author: jc2048
  • Date Created: 14 Dec 2016 10:50 PM Date Created
  • Views 610 views
  • Likes 4 likes
  • Comments 1 comment
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TPS54A20EVM evaluation - part 1

jc2048
jc2048
14 Dec 2016

It's Christmas! Well, almost. Santa has been early and delivered a present to me. I didn't realise this,

but he's moved his whole operation from the North Pole to Belgium (perhaps he likes chocolate, frites,

and reading Tintin comic books).

 

The present is a TPS54A20EVM evaluation module. In case that doesn't ring any bells, it's the same board

that Jan Cumps has been experimenting with (the two-phase buck converter with a capacitor one). In fact

it IS one of his boards - he's been very generous and sent it to me to play with. Now I've got to do

something with it - why did I say yes?

 

This first blog is just the 'try it and see if it works' one. I'll do more with it later - probably at

the weekend.

 

Here's the input from a bench supply set to 12V:

 

image

 

And here's the board running and giving 1.2V at the output with no load:

 

image

 

Hurrah, it works! Jan's rework survived the trip in the sleigh.

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  • Jan Cumps
    Jan Cumps over 8 years ago

    It's the new board, not my reworked one. I only added the two probe wires over the series capacitor.

    When the thing releases the magic smoke, you'll have to blame yourself image

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