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SHINDENGEN
Stepping Motor Driver ICs
MTD2001
FEATURES
●Constant-current chopping function
(Off time fixed, self-oscillation)
●4-phase input
(with inhibit for simultaneously turn ON)
●An ENABLE function is provided
●Protection for penetration current
●Built-in overheating protection
(Alarm + shutdown)
RATINGS
MTD Series
OUTLINE DIMENSIONS
Case : ZIP-27
(Unit : mm)
●Absolute Maximum Ratings (Ta=25℃)
Item Symbol Ratings Unit
Output Voltage
Output Current
Logic Supply Voltage
Logic Input Voltage
Total Power Dissipation
Junction Temperature
Storage Temperature
●Electrical Characteristics (Ta=25℃)
Item Symbol
Output Saturation Voltage(Upper side)
Output Saturation Voltage(Lower side)
Output Leakage Current(Upper side)
Output Leakage Current(Lower side)
Logic Supply Current(Standby)
Logic Supply Current(All Circuit ON)
Input High Voltage
Input Low Voltage
Logic High Input Current
Logic Low Input Current
Reference Input Current
Input Current(Current Sensor)
Maximum Sensing Voltage
Thermal Alarm Cutoff Current
Thermal Alarm Output Current
Thermal Alarm Temperature
Thermal Shutdown Temperature
(sat)
CE
VCE(sat)L
Ir
H
I
rL
ICC(OFF)
ICC(ON)
V
INH
V
ENAH
V
INL
V
ENAL
l
INH
l
ENAH
l
INL
l
ENAL
Iref
Isense
VS(max.)
Iralm
Ialm
Talm
T
TSD
V
CEO(SUS)
I
V
V
P
O
CC
IN
T
60 V
1.5 A
0~7V
0~V
CC
5W
Tj 150 ℃
Tstg -40~150 ℃
Test Conditions min. typ.
Io=1.0A 1.0 1.4
Io=1.0A 1.0 1.3
Vmm=60V,Vout=0V 10
Vout=60V,VRS=0V 10
VCC=5V,V
VCC=5V,V
VCC = 5V 2.7 Vcc
VCC = 5V 2.7 Vcc
VCC = 5V GND 1.0
VCC = 5V GND 1.0
VCC = 5V,VIN=5V 10
VCC = 5V,V
VCC = 5V,VIN=0V -10 -50
VCC = 5V,V
VCC=5V,Vref=0V -1 -10
VCC=5V,VS=0V -1 -10
VCC=5V 1.5
VCC=5V,Valm=5V 10
VCC=5V,Valm=0.5V 2
="H" 25 35
ENA
="L" 55 75
ENA
=5V 10
ENA
=0V -10 -50
ENA
125
150
max. Unit
V
V
V
μA
μA
mA
mA
V
V
μA
μA
μA
μA
V
μA
mA
℃
℃
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
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Stepping Motor Driver ICs
MTD2001
● Equivalent Circuit・Basic Application Circuit ●Pin Assignment
●True Table
ENA A or B IN 1 or 4 IN 2 or 3 Out 1 or 4 Out 2 or 3
LLLOFFOFF
LLHLH
LHLHL
LHHOFFOFF
H
××
× : don't care
OFF OFF
●Setting of Output Current and Fixed Off Time
Fig.1 shows constant current chopping wave form.
○Output Current setting
Io =
○Fixed Off Time Setting
R2
R1+R2
・
Vcc
Rs
Toff=0.69・Ct・Rt
●Recommended Parts Value
Symbol Recommended Value Unit
Rs 0.68 Ω
RF 2 kΩ
CF 1000 pF
Rt 15 kΩ
Ct 3300 pF
R1+R2 <10 kΩ
Fig.1 Constant current wave form (Motor current / phase)
●Recommended Operating Conditions (Ta=25℃)
Item Symbol min. typ. max. Unit
Motor Supply Voltage
Output Current
Output Emitter Voltage
Logic Supply Voltage
Chopping Frequency
Operating Temperature
Vmm
V
V
fchop
Top
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
10 50
I
O
E
CC
4.75 5.25
20 27
-25 120
1.2
1.5
V
A
V
V
kHz
℃