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ADani.2
Associate III
Apr 22, 2020 5:35 AM UTC
Solved

EVSPIN32F0251S1, in the schematic, what is the function of U3. When is it used.

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Enrico Poli
Enrico PoliBest answer
ST Employee
May 14, 2020 4:03 PM UTC

U3 is a quad comparator.

It is used for overcurrent detection (page 1 of the schematic) and the BEMF zero crossing detection circuitry (page 2).

2 replies

Enrico Poli
Enrico PoliBest answer
ST Employee
May 14, 2020 4:03 PM UTC

U3 is a quad comparator.

It is used for overcurrent detection (page 1 of the schematic) and the BEMF zero crossing detection circuitry (page 2).

ADani.2
ADani.2Author
Associate III
Jan 13, 2021 11:02 PM UTC

So when I use FOC, should I set jp6 jp7 jp8 as 2-4 or use U3 and set them to 2-1.

thank you,