Stepper Motor Driver IC
MTD2006G
■Typical Application
Vc
c
Alarm
5V
FeedꢀBack
Vcc
Out1
Out 2
Out3
Out4
ALARM
Vmm A Vmm B
ALARM
ENA A
ENA B
CPU
or
CPU
or
to Out3,4Logic
GATE
ARRAY
GATE
ARRAY
PHA A
DECAY
DECAY
signal
PHA B
Vc
c
Current
Sensor
Current
Sensor
BLANK
-
+
-
+
Vcc
R
S
Q
Rt
Q
R
S
CR
LG
PG
R1
R2
Ct
TAB
Vref A
Vs A
Rs A
Rs B
Vs B
Vref B
Rs
Rs
●Recommended component values
●Constant chopping current level
Rt 7.5~30kΩ
Ct 2200~4700pF
R1+R2≦10kΩ
Vref
Rs
Ichop =
●Chopping frequency
1
f=
0.75・Ct・Rt
Shindengen Electric Mfg.Co.Ltd
W1002