ROHM BD6775EFV

Stepping Motor Driver
BD6775EFV
Dimension (Unit : mm)
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.
7.8 ± 0.1
4 +6
-4
0.53 ± 0.15
1 ± 0.2
13
7.6 ± 0.2
5.6 ± 0.1
24
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)
1.0Max.
0.85 ± 0.05
0.08 ± 0.05
0.08 ± 0.05
0.325
1
12
0.17 +0.05
+0.03
0.08 S
0.65
0.2
+0.05
-0.04
0.08 M
HTSSOP-B24
Applications
OA Equipment(Printer, Scanner etc...)
Absolute Maximum Ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Supply voltage VCC
VCC
7
V
Supply voltage VM
VM
40
V
Input voltage
VIN
VCC
Power dissipation
Pd
1.1
Operating temperature range
Topr
-20
to +75
Storage temperature range
Tstg
-55
to +150
+150
Junction temperature
Maximum output current
Tj
Iout
V
*1
W
°C
*2
800
°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
Symbol
Min.
Typ.
Max.
Unit
Supply voltage VCC
VCC
4.5
-
6.0
V
Supply voltage VM
VM
10
-
37
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, VM=35V)
Parameter
Circuit current at standby
Circuit current
Symbol
ICCST
ICC
Min.
250
Typ.
360
Max.
400
Unit
A
VM current at standby
5.8
7.2
0
10
mA
A
PS=H
IVMST
4.4
-
IVM
2
3
4
mA
PS=H
H level input voltage
VINH
2.0
-
-
V
PHA1, PHA2, I01, I11, I02, I12
L level input voltage
[Output]
VINL
-
-
0.8
V
PHA1, PHA2, I01, I11, I02, I12
RON
-
3
3.6
Output leak current
[Current Control Part]
ILEAK
-
0
10
A
RNFX input current
IRNF
-2
-0.6
-
A
VREFX input current
IVREF
-1
-0.1
-
A
VREFX input voltage
VREF
0
-
2.0
V
0.4
0.46
V
VREF=2V, Io=L, I1=L
Comparator threshold (67%)
CTHLL
CTHHL
0.34
0.227
0.267
0.307
V
VREF=2V, Io=H, I1=L
Comparator threshold (33%)
CTHLH
0.133
0.133
0.153
V
VREF=2V, Io=L, I1=H
TMINON
0.3
0.5
1.0
VM Circuit current
[Control input]
Output ON Resistance
Comparator threshold (100%)
Minimum ON time
Conditions
PS=0V
PS=0V
Io=±300mA, Sum of on-resistance
of upside and bottom side
S
RNF=0V
R=39k , C=1nF
Application Circuit
Buffer
VREF1 22
Current Limit Comp.
DAC
I01 24
I11 23
3 VM1
PHA1 1
CR1
39k
LOGIC
ONE
SHOT
21
Predriver1
4 OUT1A
6
OUT1B
5
1nF
Buffer
VREF2 15
RNF1
1
Current Limit Comp.
DAC
2 PGND
I02 13
10 VM2
I12 14
PHA2 12
CR2
39k
16
LOGIC
ONE
SHOT
Predriver2
9 OUT2A
7 OUT2B
8
1nF
TSD
RNF2
1
UVLO
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