Hi. everyone.
I designed like fig.39 on data sheet.
I used high side fet IRF5210 and low side fet IRF1310.
Rt is 4.7kohm, Ct is 10nF.
fosc is about 24kHz.
I had some problem at start.
It is solved, I used sensor resistor 0.05R.
It runs very well. But I have another problem.
forward speed differ with reverse speed.
when reverse mode is run, hall sensor pulse frequency is about 1.2kHz.
but forward mode is run, hall sensor pulse frequency is about 680Hz.
How can I match the two frequency?
please help me.
thanks.
I designed like fig.39 on data sheet.
I used high side fet IRF5210 and low side fet IRF1310.
Rt is 4.7kohm, Ct is 10nF.
fosc is about 24kHz.
I had some problem at start.
It is solved, I used sensor resistor 0.05R.
It runs very well. But I have another problem.
forward speed differ with reverse speed.
when reverse mode is run, hall sensor pulse frequency is about 1.2kHz.
but forward mode is run, hall sensor pulse frequency is about 680Hz.
How can I match the two frequency?
please help me.
thanks.