Stepper Motor Driver IC
MTD Series
MTD2033G
Features
DMOS Dual Full-bridge
PWM Stepper Motor Driver
●Dual full-bridge for a bipolar stepper motor
●Output current 1.5A , Output voltage 40V
●Constant current control（Fixed frequency PWM control)
●2-bit digital current selection
●Stand-by functuon
●Thermal shutdown with hysteresis
●Under voltage lock out function
●Surface mount package with heat sink(HSOP24)
HSOP24
■Absolute maximum ratings / Ta=25℃
Parameter
Load supply
Output current
Logic supply
Logic input
Power dissipation *1
Storage temperature range
Maximum Junction temperature
Symbol
Vmm
I
OUT
Vcc
V
LOGIC
P
D
Tstg
Tj
Rating
40
1.5
0∼7
0∼Vcc
2.1
-40∼150
150
Unit
V
A
V
V
W
℃
℃
*1 : 50.8×50.8×1mm
3
Glass Epoxy Board(FR4),200mm
2
Cupper Pattern
■Pin Assignment
MTD2033G
ENA A
PHA A
Vmm A
OUT 1
Rs A
OUT 2
PG
OUT 3
Rs B
OUT 4
Vmm B
PHA B
ENA B
7
8
9
10
11
12
18
17
16
15
14
13
1
2
3
4
5
6
TOP VIEW
24
23
22
21
20
19
I1
Vr A
Vr B
OSC
DEC
LG
PG
Vcc
CpC
CpB
CpA
STB
I0
Shindengen Electric Mfg.Co.Ltd
W1002
Stepper Motor Driver IC
MTD2033G
■Electrical Characteristics
Parameter
●Output stage
Load supply current (All circuit OFF)
Load supply current (Stand-by)
Source driver ON resistance
Sink driver ON resistance
Upper MOSFET leakage current
Lower MOSFET leakage current
Upper MOSFET reverse voltage
Lower MOSFET reverse voltage
VcpA under voltage lock out threshold
●LOgic stage
Logic supply current (All circuit ON)
Logic supply current (All circuit OFF)
Logic supply current (Stand-by)
Vcc under voltage lock out threshold
Logic "H" input voltage
Logic "L" input voltage
PHA/ENA/I0/I1/STB "H" input current
PHA/ENA/I0/I1/STB "L" input current
DEC "H" input voltage
DEC "L" input voltage
DEC "H" input current
DEC "L" input current
OSC "H" input voltage
OSC "L" input voltage
OSC "H" input current
OSC "L" input current
Vr "H" input current
Vr "L" input current
Comparator Threshold (100%)
Comparator Threshold (70%)
Comparator Threshold (40%)
Comparator blanking tim
CpA Charging tim *1
Thermal shutdown temperature *2
Icc(ON)
Icc(OFF)
Icc(STB)
VccUVLO
V
LOGIC
H
V
LOGIC
L
I
IN
H
I
IN
L
V
DEC
H
V
DEC
L
I
DEC
H
I
DEC
L
V
OSC
H
V
OSC
L
I
OSC
H
I
OSC
L
Imm(OFF)
Imm(STB)
Ta=25℃ , Vcc=5V , Vmm=24V unless otherwise specified
Symbol
Condition
V
ENA
=all 5V or V
I0
=V
I1
=5V
Vmm=35V, V
STB
=0V
Iout=-0.8A
Iout=0.8A
Vmm=35V, V
OUT
=0V
V
OUT
=35V, V
RS
=0V
I
F
=0.8A
I
F
=0.8A
MIN
-
-
-
-
-
-
-
-
Vmm+3
-
-
-
3.6
2.0
GND
-
-
2.0
GND
-
-
2.0
GND
-
-
-
-
95
64
36
1
-
150
TYP
11
-
0.5
0.5
-
-
1.2
1.2
Vmm+4
5
5
-
3.8
-
-
-
-20
-
-
50
-
-
-
-
-20
-
-1
100
70
40
2
-
170
MAX
20
100
0.7
0.7
100
100
1.4
1.4
Vmm+6
10
10
6
4.0
Vcc
0.7
10
-50
Vcc
0.7
200
-10
Vcc
0.7
10
-50
10
-10
105
76
44
3
2
-
Unit
mA
μA
Ω
Ω
μA
μA
V
V
V
mA
mA
mA
V
V
V
μA
μA
V
V
μA
μA
V
V
μA
μA
μA
μA
%
%
%
μs
ms
℃
R
ON
H
R
ON
L
IrH
IrL
V
F
H
V
F
L
VcpAUVLO
-
-
V
ENA
=all 5V or V
I0
=V
I1
=5V
V
STB
=0V
-
-
-
V
IN
=3.3 or 5V
V
IN
=0V
-
-
V
DEC
=3.3 or 5V
V
DEC
=0V
-
-
V
OSC
=3.3 or 5V
V
OSC
=0V
Vr=5V
Vr=0V
V
I0
="L", V
I1
="L"
V
I0
="H", V
I1
="L"
V
I0
="L", V
I1
="H"
-
Cp1=0.47μF、Cp2=0.022μF
IrefH
IrefL
Vs1
Vs2
Vs3
tb
Tchg
T
TSD
-
*1:When Vcpa is higher than Vmm+6V, outputs can be turned on.
Be sure to wait before moter drive so long than Tchg, when logic power supply powered on or Stand-By release.
*2:Shutdown tempereture is assured by design.
■Thermal resistance
Symbol
θja *3
Rating
58
Unit
℃/W
*3 : 50.8×50.8×1mm
3
Glass Epoxy Board(FR4),200mm
2
Cupper Pattern
Shindengen Electric Mfg.Co.Ltd
W1002
Stepper Motor Driver IC
■Typical Application
Cp1
Vcc
Cvcc
Vmm
Cvmm
MTD2033G
Cp2
S.M
OUT
2
Vmm
B
CpA
CpB
CpC
Vcc
TSD
UVLO
Vmm
A
OUT
1
OUT
3
OUT
4
Charge Pump
Standby
Standby
STB
PHA B
C P U
o r
G A T E A R R A Y
PHA A
GATE CIRCUIT
ENA A
GATE CIRCUIT
ENA B
Decay
Decay
VrA
Q
R
S
-
+
Current
Sensor
Current
Sensor
-
+
R
S
Q
VrB
O s c ill a t o r
countor
OSC
Mix Decay%
selection
DEC
Decay
RsA
PG
RsB
LG
2-bit digital
current selection
I1
I0
Tab
Rs
Rs
CPU
or
GATE ARRAY
●Constant chopping current level
Vref
Ichop ＝
10Rs
●Chopping frequency
fchop = fosc
●Recommended component values
Symbol
Cp1
Cp2
Cvmm *1
Cvcc
Recommended value
0.47
0.022
47
1
Unit
μF
μF
μF
μF
*1： It recommend the electrolytic capacitor
for the noise absorption connect near IC to Load supply.
Shindengen Electric Mfg.Co.Ltd
W1002
C P U
o r
G A T E A R R A Y
Vcc
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