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Rohm Semiconductor Electronic Components Datasheet

BD63520AEFV Datasheet

Stepping Motor Drivers

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Datasheet
Stepping Motor Driver series
Micro step 36V
Stepping Motor Drivers
BD63520AEFV
General Description
BD63520AEFV series are stepping motor drivers of
1/16 micro step(sixteenth step) drive. As for its basic
function, it is a low power consumption bipolar PWM
constant current-drive driver with power supply rated
voltage of 36V and rated output current (DC) of 2.0A.
The input interface is CLK-IN type.
There are step modes of Full step & Half step, Quarter
step, Sixteenth step mode by internal DAC (D-A
converter), and for current decay mode, the ratio of
FAST DECAY & SLOW DECAY can be freely set, so the
optimum control conditions for every motor can be
realized. In addition, being able to drive with one system
of power supply makes contribution to the set design’s
getting easy.
Major Characteristics
Range of power supply voltage
828 [V]
Rated output current
2.0 [A]
Rated output current (peak)
2.5 [A]
Range of operating temperature
-25+85 []
Output ON resistance (total of upper 0.65 [Ω] (Typ)
and lower resistors)
Package
W(Typ) x D(Typ)x H(Max)
HTSSOP-B28
9.70mm x 6.40mm x 1.00mm
Features
1) Single power supply input (rated voltage of 36V)
2) Rated output current:(DC) 2.0A
3) Low ON resistance DMOS output
4) CLK-IN drive mode
5) PWM constant current control (other oscillation)
6) Built-in spike noise cancel function (external noise
filter is unnecessary)
7) Full step, Half step, Quarter step, Sixteenth step
drive
8) Timing free for changing step modes
9) Current decay mode switching function (linearly
variable FAST/SLOW DECAY ratio)
10) Normal rotation & reverse rotation switching
function
11) Power save function
12) Built-in logic input pull-down resistor
13) Power-on reset function
14) Thermal shutdown circuit (TSD)
15) Over current protection circuit (OCP)
16) Under voltage lock out circuit (UVLO)
17) Over voltage lock out circuit (OVLO)
18) Ghost Supply Prevention (protects against
malfunction when power supply is disconnected)
19) Adjacent pins short protection
20) Inverted mounting protection
21) Microminiature, ultra-thin and high heat-radiation
(exposed metal type) HTSSOP-B28 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
Basic application circuit
CLK 15
CW_CCW 16
MODE0 18
MODE1 19
ENABLE 20
VREF 13
CR 10
MTH 12
TEST1
17
9 GND
14 PS
11
TEST0
6 VCC1
OUT1A
5
2 OUT1B
3
RNF1
4 RNF1S
22 VCC2
24 OUT2A
27
OUT2B
26
RNF2
25 RNF2S
1 GND
Figure 1. BD63520AEFV application circuit diagram
Product structuresilicon monolithic integrated circuit It is not the radiation-proof design for this product.
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/23
TSZ02201-0P2P0B701530-1-2
17.Aug.2016 Rev.001


Rohm Semiconductor Electronic Components Datasheet

BD63520AEFV Datasheet

Stepping Motor Drivers

No Preview Available !

BD63520AEFV
Terminals Configuration Diagram
GND 1
OUT1B 2
RNF1 3
RNF1S 4
OUT1A 5
NC 6
VCC1 7
NC 8
GND 9
CR 10
TEST0 11
MTH 12
28 NC
27 OUT2B
26 RNF2
25 RNF2S
24 OUT2A
CLK 15
CW_CCW 16
MODE0 18
MODE1 19
ENABLE 20
Translator
VREF 13
4bit DAC
23 NC
22 VCC2
21 NC
20 ENABLE
19 MODE1
18 MODE0
17 TEST1
RNF1S
RNF2S
Blank time
PWM control
CR 10
OSC
MTH 12
TEST1
17
Mix decay
control
TSD
OVLO
RESET
OCP
UVLO
Regulator
9 GND
14 PS
11
TEST0
7 VCC1
OUT1A
5
2
OUT1B
3
RNF1
4 RNF1S
22 VCC2
24 OUT2A
27 OUT2B
26
RNF2
25 RNF2S
1 GND
VREF 13
PS 14
16 CW_CCW
15 CLK
Figure 2. Terminals Configuration Diagram
Figure 3. BD63520AEFV Block Diagram
Descriptions on Terminals
Pin No. Pin name
Function
1
GND
Ground terminal
Pin No.
15
2 OUT1B H bridge output terminal
16
3
RNF1
Connection terminal of resistor for
output current detection
17
4
RNF1S
Input terminal of current limit
comparator
18
5 OUT1A H bridge output terminal
19
6 NC Non connection
20
7
VCC1
Power supply terminal
21
8 NC Non connection
22
9
GND
Ground terminal
23
10
CR
Connection terminal of CR for setting
chopping frequency
24
11
TEST0
Terminal for testing
(Used by connecting with GND)
25
12
MTH
Current decay mode setting terminal
26
13
VREF
Output current value setting terminal
27
14 PS Power save terminal
28
Pin name
CLK
Function
Clock input terminal for advancing the
electrical angle.
CW_CCW Motor rotating direction setting terminal
TEST1
Terminal for testing
(Used by connecting with GND)
MODE0 Motor excitation mode setting terminal
MODE1 Motor excitation mode setting terminal
ENABLE Output enable terminal
NC Non connection
VCC2 Power supply terminal
NC Non connection
OUT2A H bridge output terminal
RNF2S
RNF2
OUT2B
Input terminal of current limit comparator
Connection terminal of resistor for output
current detection
H bridge output terminal
NC Non connection
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/23
TSZ02201-0P2P0B701530-1-2
17.Aug.2016 Rev.001


Part Number BD63520AEFV
Description Stepping Motor Drivers
Maker ROHM
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BD63520AEFV Datasheet PDF






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