Stepper Motor Driver IC
MTD Series
MTD2017G
Features
Dual Full-bridge
Microstepping PWM Motor Driver
●Dual full bridge for a bipolar stepper motor driver
●Load supply voltage 35V , Output current 0.8A
●Constant current control (Fixed OFF time PWM control)
●2-bit selectable current level (Full step/Half step/Quarter step)
●Stand-by function
●Built-in flywheel and flyback diodes
●Under voltage lock out function
●Thermal shutdown with hysteresis
●Surface mount package with heat sink(HSOP24)
■Absolute maxmum ratings / Ta=25℃
Parameter
Output voltage
Output current
Logic supply
Logic input
Power dissipation
Storage temperature range
Maximum Junction temperature
Symbol
Vmm
I
OUT
Vcc
V
LOGIC
P
T
*1
Tstg
Tj
Rating
35
0.8
0∼6
0∼Vcc
2.1
-40∼150
150
Unit
V
A
V
V
W
℃
℃
HSOP24
*1 : 50.8×50.8×1mm
3
Glass Epoxy Board(FR4),200mm
2
Cupper Pattern
■Pin Assignment
MTD2017G
PHA 1
Vcc 1
Vmm 1
OUT 1A
SENSE 1
OUT 1B
GND
OUT 2B
SENSE 2
OUT 2A
Vmm 2
Vcc 2
PHA 2
7
8
9
10
11
12
18
17
16
15
14
13
1
2
3
4
5
6
■Truth table
TOP VIEW
24
23
22
21
20
19
PHA 1 or 2
L
H
OUT A
L
H
Output current
ratio[%]
100
67
33
0
Mode
stand by
active
OUT B
H
L
Vr[V]
(at VREF=5V)
0.500±5%
0.335±8%
0.165±10%
-
I0 1
I1 1
Vs 1
VREF 1
CR 1
STB
GND
GND
CR 2
VREF 2
Vs 2
I1 2
I0 2
I0
L
H
L
H
I1
L
L
H
H
STB
L
H
Shindengen Electric Mfg.Co.Ltd
W1002
Stepper Motor Driver IC
■Electrical Characteristics
MTD2017G
Ta=25℃ unless otherwise specified
item
Logic supply current（2circuit ON）
Logic supply current（2circuit OFF）
Load supply current（2circuit OFF）
Logic supply current(STB)
Load supply current(STB)
PHA“H”input voltage
PHA“L”input voltage
PHA“H”input current
PHA“L”input current
I0,I1“H”input voltage
I0,I1“L”input voltage
I0,I1“H”input current
I0,I1“L”input current
STB“H”input voltage
STB“L”input voltage
Vref input voltage
Vref input current
Vs input current
comparator threshold（100％）
comparator threshold（67％）
comparator threshold（33％）
Upper transistor saturation drop
Lower transistor saturation drop
Output leak current
Upper diode forward drop
Lower diode forward drop
One Shot OFF time
UVLO threshold
Thermal shutdown temperature
symbol
Icc(ON)
Icc(OFF)
Imm(OFF)
Icc(STB)
Imm(STB)
VPHA H
VPHA L
IPHA H
IPHA L
V(I0,I1) H
V(I0,I1) L
I(I0,I1) H
I(I0,I1) L
VSTB H
VSTB L
VREF
IREF
Is
Vs1
Vs2
Vs3
Vce(SAT)H
Vce(SAT)L
Ir
VF H
VF L
T OFF
Vuv
Tj
TSD
condition
Vcc=5V
Vcc=5V,I0=I1=H
Vcc=5V,Vmm=35V,I0=I1=H
Vcc=5V,STB=L
Vcc=5V,Vmm=35V,STB=L
Vcc=5V
Vcc=5V
Vcc=5V,VPHA =5V
Vcc=5V,VPHA =0V
Vcc=5V,Vmm=12V
Vcc=5V,Vmm=12V
Vcc=5V,V(I0,I1)=5V
Vcc=5V,V(I0,I1)=0V
Vcc=5V
Vcc=5V
-
Vcc=5V,VREF=0V
Vcc=5V,Vs=0V
Vcc=VREF=5V,I0=L,I1=L
Vcc=VREF=5V,I0=H,I1=L
Vcc=VREF=5V,I0=L,I1=H
Ic=0.8A
Ic=0.8A
Vmm=Vce(sus)V,Vout=0V
If=0.8A
If=0.8A
Ct=3300pF,Rt=4.7KΩ
-
-
MIN
-
-
-
-
-
2.0
GND
-
-
2.0
GND
-
-
2.0
GND
1.0
-1
-1
0.475
0.308
0.140
-
-
-
-
-
-
-
-
TYP
50.0
17.0
5.0
3.5
-
-
-
-
-1.0
-
-
-
-2.0
-
-
-
-
-
0.500
0.335
0.165
1.20
0.70
-
1.30
1.40
17.1
4.0
170
MAX
62.0
21.0
7.4
4.7
10.0
Vcc
0.8
10.0
-10.0
Vcc
0.8
10.0
-30.0
Vcc
0.8
7.5
10.0
10.0
0.525
0.362
0.182
1.40
1.00
10.0
1.50
1.60
-
-
-
unit
mA
mA
mA
mA
μA
V
V
μA
μA
V
V
μA
μA
-
-
V
μA
μA
V
V
V
V
V
μA
V
V
μS
V
℃
■Recommended operation conditions
Parameter
Junction temperature
Logic supply
Load supply
Symbol
Tj
Vcc
Vmm
Recommendation
-25∼120
4.5∼5.5
10∼27
Unit
℃
V
V
■Thermal resistance
Symbol
θja *
Rating
58
Unit
℃/W
* 50.8×50.8×1mm
3
Glass Epoxy Board(FR4),200mm
2
Cupper Pattern
Shindengen Electric Mfg.Co.Ltd
W1002
Stepper Motor Driver IC
MTD2017G
!
Although we are constantly making every effort to improve the quality and reliability of our products, there nevertheless remains a certain
probability that the semiconductor products may occasionally fail or malfunction. Please take careful precautions against product failures or
malfunctions to avoid any injuries, fire accidents or social loss by implementing safety designs such as redundancy designs, designs for fi re
spread prevention, and designs for preventing malfunctions.
Our semiconductor products listed in this document are not designed or manufactured to be used in devices or systems requiring
extremely high levels of quality and reliability, or the failure or malfunction of which may directly threaten human lives or cause injury.
In the cases where the products are to be used in devices or systems for special applications or devices or systems for specialized
applications shown below, always make sure to consult us in advance.
Special Applications
Transportation devices (automotive, marine, etc.), communication devices for core network, traffic signal devices, fire prevention/anticrime
devices, various safety devices, medical devices, etc.
Specialized Applications
Nuclear power control systems, aircraft and aerospace devices, submarine relay devices, and systems for preserving life, etc.
Even if it is not for a special or specialized application, when IC products are to be used for devices or systems that are desired to last for
a long period under continuous operation, please make sure to consult our sales representative in advance.
!
● We reserve the right to make any changes to the contents of this manual without prior notice in accordance with modifications to IC products.
● Details of specifications should be exchanged at the adoption of the IC products.
● All information included in this manual is believed to be accurate and reliable. However, our company takes no responsibility for any injury or
damage incurred when using the IC products as described in this manual. Neither do we take any responsibility for issues arising from
infringement of patent or other rights caused by using this manual.
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Shindengen Electric Mfg.Co.Ltd
W1002
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