BLDC Motor with current regulation

Hi Aoyama-san,

What is the voltage and current range for this IC?

To perform action 1, you need speed control. To perform action 2, you need torque control.

Many of our IC, such as the DRV8301/2/3 and DRV8312 regulate current. The OC_ADJ_SET register (DRV8301) and OC_ADJ pin (DRV8312) allow for current regulation.

When used with InstaSPIN algorithms, speed and torque control is available.

Hi Rick-san,

Thank you for your reply. I'm sorry for my poor information.
The voltage is from 12V to 24V.
The constant current is 0.6A.
I will ask the customer about control speed.

He wants to reduce MIPS, so he wants to use the DRV8307/08 or DRV10983.
Can they control speed and torque?

Best Regards,
Naoki Aoyama

Hi Rick-san,

I tell you additional information.

The constant speed is 8000rpm, current is less than 0.6A.

Could you give me any idea?

Best Regards,
Naoki Aoyama

Naoki-san,

Do you know electrical frequency at 8000 rpm ? 

DRV10983 does not have a speed loop and it will need an external controller to close the speed loop.

Thanks,

Jasraj

Hi Jasraj,

The customer abandoned the speed control.
He change the motor from BLDC to brushed DC, too.
So, I suggest him to use the DRV8870.

Thanks,

Naoki Aoyama