Hi,
My cutomer is using DRV8307EVM with customer motor.
This motor is operated at EVM.
But motor is hunting, and speed can not be up even if PWM duty is up.
Please see the attached file.
This is waveform of U phase.
His motor characteristic and condition is below.
- Poles is 12 poles.
- Torque constant is 24 mN/m/A
- Motor indactance is 4 mH
- VM is 18V
- OC setting is default of EVM(5A).
What should we changing of DRV8307 setting to prevent hunting motor?
Best regards,
Shimizu