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BD63725BEFV fiches techniques PDF

ROHM Semiconductor - High-reliability Withstand Voltage Stepping Motor Driver

Numéro de référence BD63725BEFV
Description High-reliability Withstand Voltage Stepping Motor Driver
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD63725BEFV fiche technique
36VHigh-performance,
High-reliability Withstand Voltage
Stepping Motor Driver
BD63725BEFV
General Description
BD63725BEFV 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 2.5 A.
CLK-IN driving mode is adopted for input interface, and
excitation mode is corresponding to FULL STEP mode,
HALF STEP mode (2 types) and QUARTER STEP
mode via a built-in DAC. 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.
Major Characteristics
Range of power supply voltage
Rated output current (continuous)
Rated output current (peak value)
Range of operating temperature
Output ON resistance (total of
upper and lower resistors)
1928 [V]
2.5 [A]
3.0 [A]
-25+85 []
0.35 [Ω] (Typ.)
Package
HTSSOP-B28
W(Typ.) x D(Typ.)x H(Max.)
9.70mm x 6.40mm x 1.00mm
Features
Rated output currentDC2.5A
Low ON resistance DMOS output
CLK-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
Freely timing excitation mode switch
Current decay mode switch
linearly variable FAST/SLOW DECAY ratio
Normal rotation & reverse rotation switching
function
Power save function
Built-in logic input pull-down resistor
Power-on reset function
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)
Adjacent pins short protection
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
Basic application circuit
CLK 15
CW_CCW 16
MODE0 18
MODE1 19
ENABLE 20
VREF 13
CR 10
MTH 12
TEST 17
9 GND
14 PS
7 VCC1
5 OUT1A
2
OUT1B
3
RNF1
4 RNF1S
22 VCC2
24 OUT2A
27 OUT2B
26
RNF2
25 RNF2S
GND
1
Figure.1 BD63725BEFV 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
TSZ02201-0P2P0B701440-1-2
24.May.2016 Rev.001

PagesPages 27
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