Shindengen Electric Manufacturing Company Ltd MTD2001 Datasheet

SHINDENGEN
V
H
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
(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
07V
0V
CC
5W
Tj 150
Tstg -40150
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
Stepping Motor Driver ICs
MTD2001
Equivalent CircuitBasic 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
Loading...