MTD2001 Shindengen Electric, MTD2001 Datasheet - Page 2

• Manufacturer Part Number: MTD2001
• Description: Stepping Motor Driver ICs
• Manufacturer: Shindengen Electric

Stepping Motor Driver ICs
● Equivalent Circuit・Basic Application Circuit
●Setting of Output Current and Fixed Off Time
Fig.1 shows constant current chopping wave form.
○Output Current setting
○Fixed Off Time Setting
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
●True Table
●Recommended Operating Conditions （Ta=25℃）
Motor Supply Voltage
Output Current
Output Emitter Voltage
Logic Supply Voltage
Chopping Frequency
Operating Temperature
ENA A or B
Io =
Toff=0.69・Ct・Rt
H
L
L
L
L
R1+R2
R2
IN 1 or 4
・
×
H
H
L
L
Vcc
Rs
Item
× : don't care
IN 2 or 3
×
H
H
L
L
Out 1 or 4
OFF
OFF
OFF
H
L
Symbol
fchop
Vmm
Top
V
Out 2 or 3
V
I
CC
O
E
OFF
OFF
OFF
H
L
min.
4.75
-25
10
Fig.1 Constant current wave form (Motor current / phase)
●Recommended Parts Value
Symbol
R1+R2
CF
RF
Rs
Ct
Rt
Recommended Value
typ.
20
●Pin Assignment
1000
3300
0.68
<10
15
2
max.
5.25
1.5
120
1.2
50
27
MTD2001
Unit
kΩ
kΩ
kΩ
pF
pF
Ω
Unit
kHz
℃
V
A
V
V