MTD1361F
0309
Stepper Motor Driver ICs MTD Series
SHINDENGEN
Shindengen Electric Mfg.Co.Ltd
Unipolar motor driver IC
(DMOS output)
Features
n Unipolar drive system
n DMOS output (low loss and low generation of heat)
n TTL and CMOS compatible gate
n 4-phase input (simultaneous ON prevention function)
n Constant current control
n Integrated flywheel diodes and no external Zener diode needed
n Surface mount type package with heatsink (HSOP28)
g Absolute maximum ratings / Ta=25℃
g Pin assignment
IN A or B
L
L
H
H
IN A or B
H
L
H
L
OUT A or B
ON
OFF
OFF
OFF
OUT A or B
OFF
OFF
OFF
ON
HSOP-28
*Mounted on glass epoxy board (50.8×50.8×1mm)
Rs B
NC
NC
Rs A
MTD1361F
1
2
SHINDENGEN
1036N
IN B
IN B
Vs B
Vref B
CR B
NC
Vmm
CR A
Vref A
Vs A
IN A
IN A
PG
OUT B
NC
OUT B
NC
NC
NC
NC
OUT A
NC
OUT A PG
GNDGND
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
g Truth table
Parameter
Logic input voltage
DMOS output breakdown voltage
Flywheel diode voltage
Output current
Flywheel diode current
Power dissipation*
Junction temperature range
Strage temperature range
Symbol
VIN
VDSS
VR
ID
IF
PT
Tj
Tstg
Rating
-0.3 to 6
68
1.2
1.2
5
150
-40 to 150
Unit
V
V
V
A
A
W
68
℃
℃
0309
MTD1361F
SHINDENGEN
Shindengen Electric Mfg.Co.Ltd
Stepper Motor Driver ICs
g Electrical characteristics / Ta=25℃
g Thermal resistance
g Internal equation circuits / Typical application
Symbol Value Unit
Rs 0.68 Ω
Rt 8.2 kΩ
Ct 3300 pF
Rf 1 kΩ
Cf 3300 pF
R1+R2 ≦10 kΩ
Recommended component values
Constant chopping current level
Io = Vref
Rs Toff = 0.69CtRt
One Shot OFF time
θja * 41
Symbol Rating Unit
℃/W *Mounted on glass epoxy board (50.8×50.8×1mm)
Vmm=24V
Vmm=24V
Vmm
Imm
Vin (L)
Vin (H)
Iin (L)
Iin (H)
Is （L)
Iref （L)
Vdson
Vf
Toff
Vmm=24V, Vin=0V
Vmm=24V, Vin=5V
Vmm=24V, Vs=0V
Vmm=24V, Vref=0V
Vmm=24V
Id＝1.2A
If＝1.2A
Ct＝3300pF、Rt＝8.2kΩ
15.0 18.0 30.0 V
mA
0.8 V
2.0 V
-50.0 µA
10.0 µA
-50.0 µA
-50.0 µA
0.96 V
1.5 V
18.7 µs
ConditionSymbol MIN TYP MAX Unit
Load supply
Load supply current
"L" input voltage
Vs input current
Vref input current
Output saturation voltage
Flywheel diode forward drop
One shot OFF time
"H" input voltage
"L" input current
"H" input current
Parameter
Vref Vmm=24V 1.5 VVref input voltage
ONE
SHOT
VOLTAGE
REFERENCE
-
+
-
+
ONE
SHOT
22 141411
27
26
23
24 25 3 15 TAB 28 12 18 19
20
17
16
OUT A OUT A OUT BOUT B
IN B
IN B
CR B
Vref BVs BRs BPGPG LGPGRs AVs AVref A
IN A
IN A
CR A
Vmm
CPU
or
GATE
ARRAY
CPU
or
GATE
ARRAY
5V Rf
RsCf
R1
R2
Rf
CfRs
Rt Ct Ct Rt
Vmm
0309
MTD1361F
SHINDENGEN
Shindengen Electric Mfg.Co.Ltd
Stepper Motor Driver ICs
g Outline dimension
(Unit : mm)
0309
MTD1361F
SHINDENGEN
Shindengen Electric Mfg.Co.Ltd
Stepper Motor Driver ICs
g This devic e fully meets the reliability and quality control standards described in our company's catalog. If this device is to be
used in a situation where its misuse or failure might cause serious injury or death, consult with our company.
Reliability and quality control standards for this device are considered adequate when it is used with the following type of end
equipment.
Standard applications
C omp uter s, OA and oth er off ice equip ment, C omm unic at ion term in al, Meas urem ent mac hin e t ools , A udi o-vis u al , Gam e an d ot h er
amusem ents , H ouseh ol d electric appli ances, P ers on al items, I n dus tri al rob ot, etc.
S p ec i al applications w h ere the d evice may or not b e sui table i nc lu d e t h e foll ow in g.
Transport ation and c onveyanc e (cargo loading) equipment, Primary c ommunic ations equipment, Traffic sign al c ontrol equipment,
Fir e and bur g l ar y al arms , Vari ous s afety devices , M edical eq ui pm en t , etc.
Other special applications where the device reliability is not considered high enough include the following.
Atomic power c ontrol s ystems , Aviati on equipment, Aerospace equipm ent, S ubmarine relay equipment, Lif e support equipm ent,
etc.
g Our company makes a constant effort to improve the quality and reliability of our products. However, it is the customer's
responsibility to provide saf ety. Take the appropriate steps to prevent personal injury, fire, and damage by providing redundancy
equipm ent , fire c ontainm e nt eq ui pm ent , and d evices to pr ot ec t per sonn el an d eq uipm en t from op erati on al mis tak es .
If you want to any more detail information and design application, please contact sales office regarding any questions you may
have.
SHINDENGEN ELECTRIC MFG. CO., LTD. reserves the right to make, from time to time, such departures from the detail
sp ecifications as m ay be r eq uired t o per mit imp rovement s in th e d esign of its produc ts.
The information included herein is believed to be accurate and reliable. However, SHINDENGEN ELECTRIC MFG. CO., LTD.
assumes no responsibility for its us e; nor for any inf ring ements of patents or other rig hts of third parties, which m ay result from its
use.
