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PDF BD63620AEFV Data sheet ( Hoja de datos )

Número de pieza BD63620AEFV
Descripción 36V Stepping Motor Driver
Fabricantes ROHM Semiconductor 
Logotipo ROHM Semiconductor Logotipo



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No Preview Available ! BD63620AEFV Hoja de datos, Descripción, Manual

36V Stepping Motor Driver
BD63620AEFV
General Description
BD63620AEFV 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.
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
1928 [V]
Rated output current (peak value)
2.0 [A]
Range of operating temperature
-25+85 []
Output ON resistance (total of upper 0.95 [Ω] (Typ.)
and lower resistors)
Package
W(Typ.) x D(Typ.)x H(Max.)
HTSSOP-B24
7.80mm x 7.60mm x 1.00mm
Features
Rated output currentDC2.0A
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)
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 12
CW_CCW 14
MODE0 15
MODE1 16
ENABLE 17
VREF 9
CR 7
MTH 8
TEST
13
18 GND
11 PS
5 VCC1
OUT1A
4
2
OUT1B
3
RNF1
20 VCC2
22 OUT2A
24 OUT2B
23
RNF2
GND
1
Figure 1. BD63620AEFV application circuit diagram
Product structuresilicon monolithic integrated circuit It is not the radiation-proof design for this product.
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/23
TSZ02201-0P2P0B700670-1-2
11.Mar.2014 Rev.001

1 page




BD63620AEFV pdf
BD63620AEFV
Function explanation
CLKClock input terminal for advancing the electrical angle
CLK is reflected at rising edge. The Electrical angle advances by one for each CLK input.
Motor’s misstep will occur if noise is picked up at the CLK terminal, so please design the pattern in such a way that there is
no noise plunging.
MODE0,MODE1Motor Excitation Mode Setting Terminal
Set the motor excitation mode
MODE0 MODE1
Excitation Mode
LL
FULL STEP
HL
HALF STEP A
LH
HALF STEP B
HH
QUARTER STEP
Please refer to the P.12, 13 for the timing chart & motor torque vector of various excitation modes.
Unrelated to CLK, change in setting is forcibly reflected (refer to P.15).
CW_CCW TerminalMotor rotating direction setting
Set the motor’s rotating direction. Change in setting is reflected at the CLK rising edge immediately after the change in
setting (refer to P.14)
CW_CCW
Rotating direction
L Clockwise (CH2’s current is outputted with a phase lag of 90°in regard to CH1’s current)
H
Counter Clockwise(CH2’s current is outputted with a phase lead of 90°in regard to CH1’s
current)
ENABLE TerminalOutput enable terminal
Turn off forcibly all the output transistors (motor output is open).
When ENABLE=L, input to CLK is blocked, and phase advance operation of internal translator circuit is stopped.
However, during excitation modes (MODE0,MODE1) switch within the interval of ENABLE=L, as ENABLE=L→H is reset,
the new mode upon switch will be applied for excitation (See P.15).
ENABLE
Motor Output
L OPEN (electrical angle maintained)
H ACTIVE
PSPower save terminal
PS can make circuit standby state and make motor output OPEN. In standby state, translator circuit is reset (initialized) and
electrical angle is initialized.
Please be careful because there is a delay of 40μs(max.) before it is returned from standby state to normal state and the
motor output becomes ACTIVE (refer to P.11).
PS Status
L Standby state(RESET)
H ACTIVE
The electrical angle (initial electrical angle) of each excitation mode immediately after RESET is as follows
(refer to P.12, 13).
Excitation Mode Initial Electrical Angle
FULL STEP
HALFSTEP A
HALFSTEP B
QUARTER
STEP
45°
45°
45°
45°
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
5/23
TSZ02201-0P2P0B700670-1-2
11.Mar.2014 Rev.001

5 Page





BD63620AEFV arduino
BD63620AEFV
Translator circuit
This series builds in translator circuit and can drive stepping motor in CLK-IN mode.
The operation of the translator circuit in CLK-IN drive mode is described as below.
Reset operation
The translator circuit is initialized by power ON Reset function and PS terminal.
Initializing operation when power supply is turned on
If power supply is turned on at PS=L (Please use this sequence as a general rule)
When power supply is turned on, the power ON reset function operates in IC and initialized, but as long as it is PS=L,
the motor output is the OPEN state. After power supply is turned on, because of the changing of PS=LH, the motor
output becomes the ACTIVE state, and the excitation is started at the initial electrical angle.
But at the time of PS=LH, it returns from the standby state to the normal state and there is a delay of 40μs(max.)
until the motor output has become the ACTIVE state.
Reset is released
ACTIVE
PS
CLK
OUT1A
Delay
OUT1B
Motor output OPEN
Motor output ON
If power supply is turned on at PS=H
When power supply is turned on, the power ON function in IC operates, and initialized before the motor output
becomes the ACTIVE state, and the excitation is started at the initial electrical angle.
Initializing operation during motor operating
Please input the reset signal to PS terminal when the translator circuit is initialized during motor operating. (Refer to
P.14) But at the time of PS=LH, it returns from the standby state to the normal state and there is a delay of 40μs
(max.) until the motor output has become the ACTIVE state, so please be careful.
Control input timing
Please input as shown below because the translator circuit operates at the rising edge of CLK signal. If you disobey this
timing and input, then there is the possibility that the translator circuit does not operate as expected. In addition, at the time
of PS=LH, it returns from the standby state to the normal state and there is a delay of 40μs (max.) until the motor output
has become the ACTIVE state, so within this delay interval there is no phase advance operation even if CLK is inputted.
PS
CLK
MODE0
MODE1
CW_CCW
A
BC
D
FG
E
F
G
A:PS minimum input pulse width・・・・・・20μs
B:PS rising edgeCLK rising edge input possible maximum delay time・・・・・・40μs
C:CLK minimum period・・・・・・4μs
D:CLK minimum input H pulse width・・・・・・2μs
E:CLK minimum input L pulse width・・・・・・2μs
F:MODE0,MODE1,CW_CCW set-up time・・・・・・1μs
G:MODE0,MODE1,CW_CCW hold time・・・・・・1μs
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
11/23
TSZ02201-0P2P0B700670-1-2
11.Mar.2014 Rev.001

11 Page







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