Stepping Motor Driver
BD6775EFV
Description
BD6775EFV is a general-purpose stepping
motor driver for OA Equipment. This driver
is a bipolar type, available for 2 phase,
1-2 phase, and W1-2 phase motors.
Dimension (Unit : mm)
7.8
±
0.1
24
13
4
+6
-4
0.53
±
0.15
1
±
0.2
0.17
+0.05
+0.03
0.08 S
+0.05
-0.04
7.6
±
0.2
5.6
±
0.1
1
0.325
1.0Max.
0.85
±
0.05
0.08
±
0.05
0.08
±
0.05
12
0.65
0.2
0.08
M
Features
1) MOS FET output(External diode is not necessary.)
2) Output OFF time is determined by external C, R value
3) High efficiency due to synchronous rectifier drive
4) Small and High power package(Exposed PAD)
HTSSOP-B24
Applications
OA Equipment(Printer, Scanner etc...)
Absolute Maximum Ratings (Ta=25°C)
Parameter
Supply voltage V
CC
Supply voltage V
M
Input voltage
Power dissipation
Operating temperature range
Storage temperature range
Junction temperature
Maximum output current
Symbol
V
CC
V
M
V
IN
Pd
Topr
Tstg
Tj
Iout
-20
-55
Limits
7
40
V
CC
1.1
to +75
to +150
+150
800
*2
*1
Unit
V
V
V
W
°C
°C
°C
mA
*1
Debating in done at 8.8mW/°C for operating above Ta=25°C. 70mmX70mmX1.6mm glass epoxy board.
*2
Do not, however exceed Pd, ASO and Tj=150°C.
Rev.A
Recommended Operating Conditions (Ta=25°C)
Parameter
Supply voltage V
CC
Supply voltage V
M
Symbol
V
CC
V
M
Min.
4.5
10
Typ.
-
-
Max.
6.0
37
Unit
V
V
*
This product described in this specification isn't judged whether it applies to COCOM regulations.
Please confirm in case of export.
Electrical characteristics (
Ta=25
°C
, Vcc=5V, V
M
=35V)
Parameter
Circuit current at standby
Circuit current
V
M
current at standby
V
M
Circuit current
[Control input]
H level input voltage
L level input voltage
[Output]
Output ON Resistance
Output leak current
[Current Control Part]
RNFX input current
VREFX input current
VREFX input voltage
Comparator threshold (100%)
Comparator threshold (67%)
Comparator threshold (33%)
Minimum ON time
Symbol
I
CCST
I
CC
IVMST
IVM
VINH
VINL
R
ON
ILEAK
IRNF
IVREF
VREF
CTHLL
CTHHL
CTHLH
TMINON
Min.
250
4.4
-
2
2.0
-
-
-
-2
-1
0
0.34
0.227
0.133
0.3
Typ.
360
5.8
0
3
-
-
3
0
-0.6
-0.1
-
0.4
0.267
0.133
0.5
Max.
400
7.2
10
4
-
0.8
3.6
10
-
-
2.0
0.46
0.307
0.153
1.0
A
A
A
V
V
V
V
S
VREF=2V, Io=L, I1=L
VREF=2V, Io=H, I1=L
VREF=2V, Io=L, I1=H
R=39k , C=1nF
RNF=0V
Unit
A
mA
A
mA
V
V
Conditions
PS=0V
PS=H
PS=0V
PS=H
PHA1, PHA2, I01, I11, I02, I12
PHA1, PHA2, I01, I11, I02, I12
Io=±300mA, Sum of on-resistance
of upside and bottom side
Application Circuit
Buffer
Current Limit Comp.
DAC
VREF1 22
I01 24
I11 23
PHA1 1
CR1
39k
1nF
3
VM1
Predriver1
4
OUT1A
6
OUT1B
5
Buffer
RNF1
1
21
ONE
SHOT
LOGIC
Current Limit Comp.
DAC
2
PGND
VREF2 15
I02 13
I12 14
PHA2 12
CR2
39k
1nF
10
VM2
Predriver2
9
OUT2A
7
OUT2B
8
TSD
UVLO
RNF2
1
16
ONE
SHOT
LOGIC
VM0 11
VREG
0.1
17
PS
PS 20
VCC 18
GND 19
BD6775EFV
Rev.A
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1
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