AMIS-30624_13 Datasheet, PDF (9/52 Pages) ON Semiconductor – I2C Micro-stepping Motor Driver

AMIS−30624, NCV70624
Table 6. AC PARAMETERS
Symbol Pin(s)
Parameter
SWITCH INPUT AND HARDWIRE ADDRESS INPUT
T_sw
T_{sw_on}
Scan pulse period (Note 21)
SWI
HW ^{Scan pulse duration}
(Note 21)
MOTORDRIVER
F_pwm
PWM frequency (Note 21)
F_{jit_depth}
T_brise
PWM jitter modulation depth
MOTxx
Turn−on transient time
T_bfall
Turn−off transient time
T_stab
Run current stabilization time (Note 21)
CHARGE PUMP
f_CP
CPN Charge pump frequency
CPP (Note 21)
21. Derived from the internal oscillator
22. See SetMotorParam and PWM Regulator
Test Conditions
V_BB = 14 V
V_BB = 14 V
Min
Typ
Max
Unit
1024
ms
128
ms
PWMfreq = 0 (Note 22) 20.6
22.8
25.0
kHz
PWMfreq = 1 (Note 22) 41.2
45.6
50.0
kHz
PWMJen = 1 (Note 22)
10
%
Between 10% and 90%
140
ns
130
ns
29
32
35
ms
V_BB = 14 V
250
kHz
SDA
START
V_IHmin
t_F
t_HD,START
SCK
V_ILmax
t_R
t_HD,DATA
REPEATED START
t_SU,DATA
t_SU,START
STOP
START
t_SP
t_SU,STOP
t_BUF
t_LOW
t_HIGH
Figure 5. I²C Timing Diagrams
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