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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=25C)
Parameter Supply voltage VCC Supply voltage VM Input voltage Power dissipation Operating temperature range Storage temperature range Junction temperature Maximum output current Symbol VCC VM VIN Pd Topr Tstg Tj Iout -20 -55 Limits 7 40 VCC 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=25C. 70mmX70mmX1.6mm glass epoxy board. *2 Do not, however exceed Pd, ASO and Tj=150C.
Rev.A
Recommended Operating Conditions (Ta=25C)
Parameter Supply voltage VCC Supply voltage VM Symbol VCC VM 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=25C, Vcc=5V, VM=35V)
Parameter Circuit current at standby Circuit current VM current at standby VM 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 ICCST ICC IVMST IVM VINH VINL RON 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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