1) FOC sine wave controller applied to BLDC or PMSM motor.
2) The controller match motor to get best hall angle no more than 3 minutes for the first time.
3) The precise current ring can provide accurate torque input to meet the requirement of large torque output during bicycle starting and climbing.
4) Built-in protection: over current protection, over heat protection, over voltage protection and so on, guarantee the controller,motor and driver safety.