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Feed error on the STEVAL-CTM009V1 board

mckmk
Associate II

The supply of the STEVAL-CTM009V1 board is shown to be up to 48 V. However, the A7986ATR writes that the A6902D13TR buck converter has a maximum supply of 38V.

How does this board work at 48V?

Or is the feeding range of the board written wrong?

1 REPLY 1
asegurola
Associate

The A7986ATR is the Buck converter to generate the internal 5V supply in the Driver board, which is powered by 12V, and marked in the schematics the range 8V to 36V.

The power side can work up to 48V. To be sure about that, the capacitors of STEVAL-CTM005V1 and the power side MOSFETS (STH315N10F7) are the components whose Will haev 48V in their pins.

Hope this explains a bit.

Regards