TMC5160 DATASHEET (Rev. 1.08 / 2018-NOV-19)
60
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 Current
PWM scale
Motor Velocity
PWM reaches max. amplitude
255
P
)
k
W
k
o
RMS current constant
o
M
2
)
_
#
(IRUN)
O
G
T
Nominal Current
(sine wave RMS)
T
R
A
U
E
A
g
A
D
_
n
(
i
(
r
_
D
u
A
A
d
U
R
Current may drop due
to high velocity
T
G
G
O
_
)
R
M
IHOLD
_
o
W
M
W
k
P
Stand still
PWM scale
PWM_OFS_(AUTO)(Pok
PWM_OFS_(AUTO) ok
0
0
Time
Figure 7.5 Successfully determined PWM_GRAD(_AUTO) and PWM_OFS(_AUTO)
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