or r
ot ive
M r
D
Terminal list
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Terminal
Name
OUT
A
NU
OUT
A
\
GATE
A
V
DD
SENSE
A
CLOCK
SYNC
REF
GND
CW/CCW
Terminal Description
Driver output for phase A
Not usable
Driver output for phase A\
Phase A MOSFET Gate
Logic power supply
Phase A current sense
Step clock input
Synchronous PWM control input
Current set & “sleep” control
Supply negative return
Forward/reverse logic control input
SLA7052M
UNIPOLAR STEPPER-MOTOR
TRANSLATOR/PWM DRIVER
The products described herein are manufactured in Japan by
Sanken Electric Co., Ltd. for sale by Allegro MicroSystems, Inc.
Sanken and Allegro reserve the right to make, from time to time,
such departures from the detail specifications as may be required to
permit improvements in the performance, reliability, or
manufacturability of its products. Therefore, the user is cautioned to
verify that the information in this publication is current before placing
any order.
When using the products described herein, the applicability and
suitability of such products for the intended purpose shall be reviewed
at the users responsibility.
Although Sanken undertakes to enhance the quality and reliability of
its products, the occurrence of failure and defect of semiconductor
products at a certain rate is inevitable.
Users of Sanken products are requested to take, at their own risk,
preventative measures including safety design of the equipment or
systems against any possible injury, death, fires or damages to society
due to device failure or malfunction.
Sanken products listed in this publication are designed and intended
for use as components in general-purpose electronic equipment or
apparatus (home appliances, office equipment, telecommunication
equipment, measuring equipment, etc.). Their use in any application
requiring radiation hardness assurance (e.g., aerospace equipment) is
not supported.
When considering the use of Sanken products in applications where
higher reliability is required (transportation equipment and its control
systems or equipment, fire- or burglar-alarm systems, various safety
devices, etc.), contact a Sanken sales representative to discuss and
obtain written confirmation of your specifications.
The use of Sanken products without the written consent of Sanken in
applications where extremely high reliability is required (aerospace
equipment, nuclear power-control stations, life-support systems, etc.) is
strictly prohibited.
The information included herein is believed to be accurate and
reliable. Application and operation examples described in this
publication are given for reference only and Sanken and Allegro
assume no responsibility for any infringement of industrial property
rights, intellectual property rights, or any other rights of Sanken or
Allegro or any third party that may result from its use.
FULL/HALF Full step/half step logic control input
SENSE
B
V
BB
GATE
B
OUT
B
\
NU
OUT
B
Phase B current sense
Driver power supply
Phase B MOSFET Gate
Driver output for phase B\
Not usable
Driver output for phase B
www.allegromicro.com
9
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
