SHINDENGEN MTD2003

SHINDENGEN
Stepping Motor Driver ICs
MTD Series
OUTLINE DIMENSIONS
MTD2003
Case : ZIP-27
(Unit : mm)
FEATURES
●Constant-current chopping function
(Frequency fixed, separate-oscillation)
●4-phase input
(with inhibit for simultaneously turn ON)
●Current levels can be selected in
2 bit digital signal
●A noise cancel function is provided
(No externally attached filter needed)
●Protection for penetration current
●Built-in flywheel diodes
RATINGS
●Absolute Maximum Ratings (Ta=25℃)
Item
Symbol
VCEO(SUS)
IO
VCC
VIN
PT
Tj
Tstg
Output Voltage
Output Current
Logic　Supply　Voltage
Logic　Input　Voltage
Total Power Dissipation
Junction Temperature
Storage Temperature
●Electrical Characteristics (Ta=25℃)
Item
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
Io,II”H”Input Voltage
Io,II”L”Input Voltage
Io,II”H”Input Current
Io,II”L”Input Current
Current Sensor Threshold(100%)
Current Sensor Threshold(70%)
Current Sensor Threshold(33%)
Reference Input Current
Input Current(Current Sensor)
Pulse Blanking Time
Symbol
Test Conditions
VCE(sat)H Io=1.0A
VCE(sat)L Io=1.0A
IrH
Vmm=30V,Vout=0V
IrL
Vout=30V,VRS=0V
ICC(OFF) VCC=5V,IN="H,H"or"L,L"
ICC(ON) VCC=5V
VINH VCC = 5V
VINL VCC = 5V
lINH VCC = 5V,VIN=5V
lINL
VCC = 5V,VIN=0V
V(Io,II)H VCC=5V
V(Io,II)L VCC=5V
I(Io,II)H VCC=5V,V(Io,II)=5V
I(Io,II)L VCC=5V,V(Io,II)=0V
VS1 VCC=Vr=5V,V(Io)=0V,V(II)=0V
VS2 VCC=Vr=5V,V(Io)=5V,V(II)=0V
VS3 VCC=Vr=5V,V(Io)=0V,V(II)=5V
Iref VCC=5V,Vr=5V
Isense VCC=5V,VS=0V
tb
VCC=5V,Ct=3300pF
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
Ratings
30
1.2
0～6
0～VCC
5
150
-40～150
min.
Unit
V
A
V
V
W
℃
℃
typ.
max.
1.2
1.4
0.7
1.0
10
10
15
25
50
65
2.7
Vcc
GND
0.6
10
-3
-20
2.7
Vcc
GND
0.6
10
-75
-100
0.475
0.5
0.525
0.322
0.35
0.378
0.153
0.17
500
-1
1.55
0.187
650
-10
Unit
V
V
μA
μA
mA
mA
V
V
μA
μA
V
V
μA
μA
V
V
V
μA
μA
μs
Stepping Motor Driver ICs
MTD2003
● Equivalent Circuit・Basic Application Circuit
●True Table
IN 1 or 4
L
L
H
H
IN 2 or 3
L
H
L
H
Out 1 or 4
OFF
L
H
OFF
Out 2 or 3
OFF
H
L
OFF
●Pin Assignment
●Recommended Parts Value
Symbol
Rs
Rt
Ct
Vr
Recommended Value
0.68
18
3300
Vcc
Unit
Ω
kΩ
pF
V
●True Table for Current Chopping Level
Io
I1
Current Level（％）
L
H
L
H
L
L
H
H
100
70
33
0
Vref（V）
（Vr=5V）
0.5±5％
0.35±8％
0.17±10％
●Setting of Output Current and Chopping Frequency
Fig.1 shows constant current chopping wave form.
Fig.1 Constant current wave form (Motor current / phase)
○Output Current setting
Vr
Io(100%) = 10・Rs - 0.015
○Chopping Frequency Setting
f =
1
0.72・Ct・Rt
●Recommended Operating Conditions （Ta=25℃）
Item
Motor Supply Voltage
Output Current
Logic Supply Voltage
Chopping Frequency
Operating Temperature
Symbol
Vmm
Io
Vcc
fchop
Top
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
min.
typ.
4.75
max.
27
1
5.25
20
-25
120
Unit
V
A
V
kHz
℃