TMC223 DATASHEET (V. 1.05 / March 7, 2011)
51
11.4 AC Parameters
Power-Up
Symbol
Pin(s)
Parameter
Test condition
Min
Typ
Max
Unit
Tpu
Power-Up time
10
ms
Table 31: AC Parameters Power-Up
Switch Input and hardwired address input HW
Symbol
Tsw
Tsw_on
Pin(s)
Parameter
Test condition
Min
Typ
1024
1/16
Max
Unit
µs
SWI
HW
Scan Pulse Period
Scan Pulse Duration
921
1127
Tsw
Table 32: AC Parameters Switch Input and hardwired address input
Motor Driver
Symbol
Pin(s)
Parameter
Test condition
Min
20.6
41.2
Typ
22.8
45.6
Max
25.0
50.0
Unit
kHz
kHz
PWM frequency (PWMfreq=0)
PWM frequency (PWMfreq=1)
Fpwm
OA1
OA2
OB1
OB2
JTpwm
PWM frequency jitter modulation depth
(PWMjen=1)
10%
Tbrise
Tbfall
Turn-On transient time
Turn-Off transient time
350
250
ns
ns
Between 10% and 90%
Table 33: AC Parameters Motor Driver
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