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DRV8306: Current limitation for BLDC

Part Number: DRV8306

Hi all

Woukd you mind if we ask current limitation for BLDC?

Generally, we assume that BLDC doesn't need to control current exactly because of no excitation in case of no operation.
However, DRV8306 has current limit function.
Also, it has OCP function. If BLDC driver has OCP function, it seems that protection is enough.
What does it use for?

Kind regards,

Hirotaka Matsumoto