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BD63731EFV Fiches technique(PDF) 1 Page - Rohm

No de pièce BD63731EFV
Description  36 V High-performance, High-reliability Withstand Voltage Stepping Motor Driver
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BD63731EFV Fiches technique(HTML) 1 Page - Rohm

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〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays
1/28
TSZ02201-0P1P0C702140-1-2
© 2019 ROHM Co., Ltd. All rights reserved.
21.Jun.2019 Rev.001
www.rohm.com
TSZ22111
• 14 • 001
OUT1A
OUT1B
RNF1S
VCC1
RNF2
GND
TEST
GND
VCC2
OUT2A
OUT2B
CLK
CW_CCW
MODE0
ENABLE
CR
VREF
RNF1
RNF2S
MTH
MODE1
PS
MODE2
M
M
36 V High-performance,
High-reliability Withstand Voltage
Stepping Motor Driver
BD63731EFV
General Description
BD63731EFV is a bipolar low-consumption driver that is
driven by PWM current. Rated power supply voltage of
the device is 36 V, and rated output current is 3.0 A.
CLK-IN driving mode is adopted for input interface, and
excitation mode is corresponding to FULL STEP mode (2
types), HALF STEP mode (2 types), QUARTER STEP
mode (2 types), 1/8 STEP mode and 1/16 STEP mode
via a built-in DAC. In terms of current decay, the SLOW
DECAY/FAST 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 Current 3.0 A
■ 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 STEP (2 types), HALF STEP (2 types),
QUARTER STEP (2 types), 1/8 STEP, 1/16 STEP
Functionality
■ Freely Timing Excitation Mode Switch
■ Current Decay Mode Switch
(linearly variable SLOW/FAST 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 Circuit (OCP)
■ Under Voltage Lock Out Circuit (UVLO)
■ Over Voltage Lock Out Circuit (OVLO)
■ Protects Against Malfunction when Power Supply is
Disconnected (Ghost Supply Prevention Function)
■ Adjacent Pins Short Protection
■ Microminiature, Ultra-thin and High Heat-radiation
(exposed metal type) Package
Application
■ Sewing Machine, PPC, Multi-function Printer, Laser
Beam Printer, Ink-jet Printer, Monitoring Camera,
WEB Camera, Photo Printer, FAX, Scanner, Mini
Printer, Toy and Robot
Key Specifications
■ Range of Power Supply Voltage
8 V to 28 V
■ Rated Output Current (continuous)
3.0 A
■ Rated Output Current (peak value)
3.5 A
■ Range of Operating Temperature -25 °C to +85 °C
■ Output ON Resistance
0.28
Ω (Typ)
(total of upper and lower resistors)
Package
HTSSOP-B28
9.7 mm x 6.4 mm x 1.0 mm
Typical Application Circuit
W (Typ) x D (Typ) x H (Max)
Datasheet


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