Hi.
My customer asked for a solution to meet below requirement, please help to provide your suggestion, thanks.
1. the refrigerator fan motor is an unidirectional PWM motor, 1650 rpm, rated power is 1.35W
2.open loop control, support position feedback
3.Using PWM to control the speed (20% to 100%)
4.Speed accuracy: ± 4%, speed fluctuation: < 10rpm