Hi,
our customer use DRV8834 in stepper motor application. Some devices cause buzzer noise on the motor.
The problem could be fixed by dedicated device. Failure could be reproduced.
VM : 11V
Digital Pin’s : 3,3V
1/16 Microsteping
AREF und BREF : ca. 0,1V
Decay Mode : Mixed Decay (50 KOhm)
R-Sense : 0,22 Ohm
Motor
6V / 40 Ohm
Bipolar 18°
Schematic and measurements available.
Please send contact for internal communication.
Best Regards
Holger