jimmythefool
New Member
Belated Happy New Year!
I have built a sensored BLDC controller based around the Fairchild FCM802 and FAN7382 MGDs. The motor is an 8 pole 24v sensored type.
Running, the controller works fine, but I have been having some starting problems. There are 24 steps per revolution. 16 of the steps are ok, but there are 8 steps in 4 equally spaced pairs, where the motor will not start. Is this normal? I dont think the FCM8202 has a way of 'jogging' the motor into a good spot before starting.
This is my first attempt doing a bldc driver, and any experience would be gratefully received
I have built a sensored BLDC controller based around the Fairchild FCM802 and FAN7382 MGDs. The motor is an 8 pole 24v sensored type.
Running, the controller works fine, but I have been having some starting problems. There are 24 steps per revolution. 16 of the steps are ok, but there are 8 steps in 4 equally spaced pairs, where the motor will not start. Is this normal? I dont think the FCM8202 has a way of 'jogging' the motor into a good spot before starting.
This is my first attempt doing a bldc driver, and any experience would be gratefully received