MTD2006

0309

Stepper Motor Driver ICs

MTD Series

SHINDENGEN

Shindengen Electric Mfg.Co.Ltd

Dual full-bridge

for a bipolar motor

Features

Dual full-bridge for a bipolar stepper motor

Constant current control (fixed frequency PWM control)

Current decay selection (correspond to microstepping drive)

Noise cancellation function (no need external RC)

Integrated flywheel and flyback diodes

Cross conduction protection

Overheating alarm function

Low thermal resistance ZIP package (ZIP27)

Absolute maximum ratings / Ta=25

Pin assignment

Truth table

PHA A or B

OUT 2 or 3

OUT 1 or 4

ENA A or B

OFF

Output chopping

Source chopping

Sink+Source chopping

DECAY

*:don't care

ZIP-27

MTD2006

00181

Vref A

Vs A

ALARM

PHA A

ENA A

LG A

Vmm A

OUT 1

Rs A

OUT2

OUT3

Rs B

OUT4

Vmm B

LG B

ENA B

PHA B

DECAY

Vcc

Vref B

Vs B

Parameter

Logic supply

Outout current

Power dissipation

Junction temperature range

Strage temperature range

Symbol

Vcc

OUT

Tstg

Rating

1.3

150

-40 to 150

Unit

Outout voltage

Vmm

Logic input voltage

LOGIC

0 to Vcc

0309

MTD2006

SHINDENGEN

Shindengen Electric Mfg.Co.Ltd

Stepper Motor Driver ICs

Electrical characteristics

Thermal resistance

Ta=25

,Vcc=5V unless otherwise specified

Condition

MIN

TYP

MAX

Unit

1.0

1.4

1.0

1.4

1.3

1.6

1.3

1.5

Vmm=35V, V

ENA

=5V

=0.8A

Vmm=V

CEO(SUS)

=0.8A

V
V

�

V
V

Symbol

Vmm
I

MM(OFF)

CE(sat)

Parameter

Load supply
Load supply current
Upper transistor saturation drop
Lower transistor saturation drop
Transistor leak current
Upper diode forward drop
Lower diode forward drop

4.75

5.25

2.3

Vcc

GND

0.8

-100

-150

2.3

Vcc

GND

0.8

-100

-150

2.3

Vcc

GND

0.8

-100

-150

-1

-10

-1

-10

0.475

0.5

0.525

1.35

1.0

ENA

=5V

ENA

=0V

PHA

=5V

PHA

=0V

ENA

=5V

ENA

=0V

DEC

=5V

DEC

=0V

Vref=0V
Vs=0V
Vref=0.5V
Ct=3300pF, Rt=20k

Ct=3300pF, Rt=20k

ALM

=5V

ALM

=0.5V

V
V

�

V
V

�

V
V

�

kHz

�

Vcc

CC(OFF)

PHA

CC(ON)

PHA

ENA

DEC

Iref
I

SENSE

Vs
f

CHOP

Vs(max)
I

R(ALM)

ALM

Logic supply

Logic supply current (output OFF)
PHA "H" input voltage
PHA "L" input voltage

Logic supply current (output ON)

PHA "H" input current
PHA "L" input current

Vref input current
Vs input current
Comparetor threshold
Chopping frequency
Blanking time
Vs maximum voltage
ALARM leak current
ALARM input current
ALARM operation temperature

ENA "H" input voltage
ENA "L" input voltage
ENA "H" input current
ENA "L" input current
DECAY "H" input voltage
DECAY "L" input voltage
DECAY "H" input current
DECAY "L" input current

Vcc=5.1V

�

110

135

Symbol

Rating

Unit

Output stage

Logic stage

0309

MTD2006

SHINDENGEN

Shindengen Electric Mfg.Co.Ltd

Stepper Motor Driver ICs

Internal equation circuits / Typical application

CPU

GATE ARRAY

CPU

GATE ARRAY

Vcc=5V

Alarm

Feedback

OSC

GATE CIRCUIT

Current

Sensor

Current

Sensor

VmmB

VmmA

OUT3

OUT4

OUT2

OUT1

Vcc

ENA A

PHA A

VsA

RsA

RsB

VsB

PHA B

ENA B

BLANK

VrefA

VrefB

DECAY

ALARM

LG B

LG A

ALARM

120deg. 140deg.

Symbol

Value

Unit

7.5 to 30

2200 to 4700

R1+R2

Recommended component values

Constant chopping current level

Io =

Vref

Chopping frequency

0.75

0309

MTD2006

SHINDENGEN

Shindengen Electric Mfg.Co.Ltd

Stepper Motor Driver ICs

This device 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
Computers, OA and other office equipment, Communication terminal, Measurement machine tools, Audio-visual, Game and other
amusements, Household electric appliances, Personal items, Industrial robot, etc.
Special applications where the device may or not be suitable include the following.
Transportation and conveyance (cargo loading) equipment, Primary communications equipment, Traffic signal control equipment,
Fire and burglary alarms, Various safety devices, Medical equipment, etc.
Other special applications where the device reliability is not considered high enough include the following.
Atomic power control systems, Aviation equipment, Aerospace equipment, Submarine relay equipment, Life support equipment,
etc.

Our company makes a constant effort to improve the quality and reliability of our products. However, it is the customer's

responsibility to provide safety. Take the appropriate steps to prevent personal injury, fire, and damage by providing redundancy
equipment, fire containment equipment, and devices to protect personnel and equipment from operational mistakes.

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
specifications as may be required to permit improvements in the design of its products.
The information included herein is believed to be accurate and reliable. However, SHINDENGEN ELECTRIC MFG. CO., LTD.
assumes no responsibility for its use; nor for any infringements of patents or other rights of third parties, which may result from its
use.

Электронный компонент: MTD2006