Part Number: DRV8711
I've been searching for voltage mode control stepper drivers, I found DRV8711 on Stepper motor drivers – Products page, which says it has voltage regulation feature. But I found nothing in datasheet about voltage mode control. Can this driver be used in voltage mode? Do we have any other voltage control drivers? Thanks.
The voltage regulator feature is just speaking to the integration of a 5V LDO.
The internal stepper control is current based.
However, this device does have a PWM input, so you can build a voltage mode loop around it with an external micro-controller. We have several integrated devices with PWM inputs as well like the DRV8412.
Is there a specific reason you want to do voltage mode control vs. current mode?
What is the needed current/voltage for your application?
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In reply to Ryan Kehr:
Thanks for your reply.
One of our customers is evaluating DRV8426 but the current waveform is distorted at speed 6400 1/8 micro-steps per second, and there is audible noise as well. I've tried all configurations and the best performance of DRV8426 still cannot eliminate the distortion and noise, so I was searching for a voltage control mode driver in order to decrease noise since current changes smoothly in voltage control mode.
DRV8711 is the only TI part I found which has a voltage regulator.
In reply to Abraham Rashid:
We currently don't have any devices that have voltage mode control integrated into the device.
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