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Rohm Semiconductor Electronic Components Datasheet

BD68620EFV Datasheet

36V Stepping Motor Driver

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Datasheet
36V Stepping Motor Driver
BD68620EFV
General Description
BD68620EFV is a bipolar low-consumption driver that
driven by PWM current. Rated power supply voltage of
the device is 36 V, and rated output current is 2.0A.
PALA-IN driving mode is adopted for input interface. In
terms of current decay, the FAST DECAY/SLOW
DECAY ratio may be set without any limitation, and all
available modes may be controlled in the most
appropriate way. In addition, the power supply may be
driven by one single system, which simplifies the
design.
Features
Rated output currentDC2.0A
Low ON resistance DMOS output
PALA-IN drive mode
PWM constant current (other oscillation)
Built-in spike noise cancel function (external noise
filter is unnecessary)
Full-, half (two kinds)-, quarter-step functionality
Current decay mode switch
linearly variable FAST/SLOW DECAY ratio
Power save function
Built-in logic input pull-down resistor
Thermal shutdown circuit (TSD)
Over-current protection circuitOCP
Under voltage lock out circuit (UVLO)
Over voltage lock out circuit (OVLO)
Ghost Supply Prevention (protects against
malfunction when power supply is disconnected)
Microminiature, ultra-thin and high heat-radiation
(exposed metal type) package
Application
PPC, multi-function printer, laser beam printer, and
ink-jet printer
Monitoring camera and WEB camera
Sewing machine
Photo printer, FAX, scanner and mini printer
Toy and robot
Major Characteristics
Range of power supply
1928 [V]
voltage
Rated output current
2.0 [A]
(peak value)
Range of operating
-25+85 []
temperature
Output ON resistance
0.95 [Ω] (Typ.)
(total of upper and
lower resistors)
Package
W(Typ.) x D(Typ.)x H(Max.)
HTSSOP-B24
7.80mm x 7.60mm x 1.00mm
Basic application circuit
PHASE1 12
PHASE2 13
I01 14
I11 15
I02 16
I12 17
18 GND
11 PS
VREF 9
5 VCC1
4 OUT1A
2 OUT1B
3 RNF1
CR 7
MTH 8
20 VCC2
22 OUT2A
24 OUT2B
23
RNF2
1 GND
Figure 1. BD68620EFV application circuit diagram
Product structuresilicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
It is not the radiation-proof design for this product.
1/19
TSZ02201-0P2P0B700140-1-2
30.May.2014 Rev.002


Rohm Semiconductor Electronic Components Datasheet

BD68620EFV Datasheet

36V Stepping Motor Driver

No Preview Available !

BD68620EFV
Datasheet
Terminals Configuration Diagram
[TOP VIEW]
Block Diagram
GND 1
OUT1B 2
RNF1 3
OUT1A 4
VCC1 5
N.C. 6
CR 7
MTH 8
VREF 9
N.C. 10
PS 11
PHASE1 12
24 OUT2B
23 RNF2
22 OUT2A
21 N.C.
20 VCC2
19 N.C.
18 GND
17 I12
16 I02
15 I11
14 I01
13 PHASE2
PHASE1 12
PHASE2 13
I01 14
I11 15
I02 16
I12 17
Translator
VREF 9
2bit DAC
RNF1S
RNF2S
Blank time
PWM control
CR 7
OSC
MTH 8
Mix decay
control
TSD
OVLO
RESET
OCP
UVLO
Regulator
18 GND
11 PS
5 VCC1
4 OUT1A
2 OUT1B
3 RNF1
20 VCC2
22 OUT2A
24 OUT2B
23
RNF2
1 GND
Figure 2. Terminals Configuration Diagram
Figure 3. BD68620EFV Block Diagram
Descriptions on Terminals
NO. Designation
Function
1
GND
Ground terminal
2 OUT1B H bridge output terminal
NO. Designation
Function
13 PHASE2 Phase selection terminal
14 I01 VREF division ratio setting terminal
3
RNF1
Connection terminal of resistor for
output current detection
15
I11 VREF division ratio setting terminal
4 OUT1A H bridge output terminal
5
VCC1
Power supply terminal
6
N.C.
Non connection
7
CR
Connection terminal of CR for
setting chopping frequency
16 I02 VREF division ratio setting terminal
17 I12 VREF division ratio setting terminal
18
GND
Ground terminal
19
N.C.
Non connection
8
MTH
Current decay mode setting t
20
VCC2
Power supply terminal
9
VREF
Output current value setting
terminal
21
N.C.
Non connection
10
N.C.
Non connection
22 OUT2A H bridge output terminal
11 PS Power save terminal
23
RNF2
Connection terminal of resistor for
output current detection
12 PHASE1 Phase selection terminal
24 OUT2B H bridge output terminal
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/19
TSZ02201-0P2P0B700140-1-2
30.May.2014 Rev.002


Part Number BD68620EFV
Description 36V Stepping Motor Driver
Maker ROHM
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BD68620EFV Datasheet PDF






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