Hall sensor outputs

A project log for RUDDOG RP691 2200kV characterization

Since datasheet for this BLDC motor is not available, I will try to characterize its properties and share it here.

kevarekkevarek 02/13/2022 at 13:100 Comments

Table with hall sensor output voltage relative to phase voltage (aka six step configuration - current step). Zero phase voltage indicates that phase is not driven by transistor half-bridge.

Visual representation of table above.

Hall sensors seem to be aligned in such a way that when any of hall outputs change state, commutation event shall occur (sometimes referred as 0° orientation with respect to phase zero crossing):

Im not sure what is the benefit but apparently the other option might be 30° orientation (not relevant for this motor):

Source: Texas Instruments - SLAA695.