RE: DRV8307: Hall sensor spacing

Hi Rick,

Thanks for the reply. I have tested two motors on the DRV8307EVM; one is a 4-pole rotor/6-pole stator with halls spaced at 60deg and the other is a 14-pole rotor/12-pole stator with halls spaced at 120 deg. It's the 14-pole motor that doesn't work with the DRV8307, the 4-pole motor works beautifully. I've tried all winding/hall combinations on the 14-pole and it just won't work properly. I verified the bad operation with two other samples of the same motor and got the same results. Thoughts? Suggestions?

Thanks,

Phil