Shindengen Electric Manufacturing Company Ltd MTD2003 Datasheet
SHINDENGEN
V
H
Stepping Motor Driver ICs
MTD2003
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
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
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
(sat)
CE
VCE(sat)L
Ir
H
I
rL
ICC(OFF)
ICC(ON)
V
INH
V
INL
l
INH
l
INL
V(Io,II)H
V(Io,II)L
I(Io,II)H
I(Io,II)L
V
S1
V
S2
V
S3
Iref
Isense
tb
V
CEO(SUS)
I
V
V
P
O
CC
IN
T
30 V
1.2 A
0～6V
0～V
CC
5W
Tj 150 ℃
Tstg -40～150 ℃
Test Conditions min. typ.
Io=1.0A 1.2 1.4
Io=1.0A 0.7 1.0
Vmm=30V,Vout=0V 10
Vout=30V,VRS=0V 10
VCC=5V,IN="H,H"or"L,L" 15 25
VCC=5V 50 65
VCC = 5V 2.7 Vcc
VCC = 5V GND 0.6
VCC = 5V,VIN=5V 10
VCC = 5V,VIN=0V -3 -20
VCC=5V 2.7 Vcc
VCC=5V GND 0.6
VCC=5V,V(Io,II)=5V 10
VCC=5V,V(Io,II)=0V -75 -100
VCC=Vr=5V,V(Io)=0V,V(II)=0V 0.475 0.5 0.525
VCC=Vr=5V,V(Io)=5V,V(II)=0V 0.322 0.35 0.378
VCC=Vr=5V,V(Io)=0V,V(II)=5V 0.153 0.17 0.187
VCC=5V,Vr=5V 500 650
VCC=5V,VS=0V -1 -10
VCC=5V,Ct=3300pF 1.55
max. Unit
V
V
V
μA
μA
mA
mA
V
V
μA
μA
V
V
μA
μA
V
V
V
μA
μA
μs
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
Stepping Motor Driver ICs
MTD2003
● Equivalent Circuit・Basic Application Circuit ●Pin Assignment
●True Table
IN 1 or 4 IN 2 or 3 Out 1 or 4 Out 2 or 3
LLOFFOFF
LHLH
HLHL
HHOFFOFF
●True Table for Current Chopping Level
Io I1 Current Level（％）
LL 100 0.5±5％
H L 70 0.35±8％
L H 33 0.17±10％
HH 0
Vref（V）
（Vr=5V）
●Setting of Output Current and Chopping Frequency
Fig.1 shows constant current chopping wave form.
○Output Current setting
Io(100%) = -
○Chopping Frequency Setting
f =
0.72・Ct・Rt
Vr
10・Rs
1
0.015
●Recommended Parts Value
Symbol Recommended Value Unit
Rs 0.68 Ω
Rt 18kΩ
Ct 3300 pF
Vr Vcc V
Fig.1 Constant current wave form (Motor current / phase)
●Recommended Operating Conditions （Ta=25℃）
Item Symbol min. typ. max. Unit
Motor Supply Voltage Vmm 27 V
Output Current Io 1 A
Logic Supply Voltage Vcc 4.75 5.25 V
Chopping Frequency fchop 20 kHz
Operating Temperature Top -25 120 ℃
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
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