Datasheet

TMC5160 DATASHEET (Rev. 1.01 / 2017-NOV-29) 60
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Figure 7.3 Scope shot: good setting for PWM_REG
Figure 7.4 Scope shot: too small setting for PWM_REG during AT#2
Motor Velocity
Time
Stand still
PWM scale
PWM reaches max. amplitude
255
0
Motor Current
Nominal Current
(sine wave RMS)
RMS current constant
(IRUN)
0
PWM scale
Current may drop due
to high velocity
PWM
_
GRAD
(
_
AUTO
)
ok
PWM
_
GRAD
(
_
AUTO
)
ok
PWM_OFS_(AUTO) ok
(
PWM
_
REG
during AT
#
2
ok
)
IHOLD
PWM_OFS_(AUTO) ok
Figure 7.5 Successfully determined PWM_GRAD(_AUTO) and PWM_OFS(_AUTO)