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BD63731EFV Datasheet(Fiches technique) 3 Page - Rohm

Numéro de pièce BD63731EFV
Description  36 V High-performance, High-reliability Withstand Voltage Stepping Motor Driver
Télécharger  31 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BD63731EFV Datasheet(HTML) 3 Page - Rohm

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BD63731EFV
TSZ02201-0P1P0C702140-1-2
© 2019 ROHM Co., Ltd. All rights reserved.
21.Jun.2019 Rev.001
www.rohm.com
TSZ22111
• 15 • 001
Function Explanation
1
CLK/Clock input pin for advancing the electrical angle
Trigger is CLK’s 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 pin, so design the pattern in such a way that there is
no noise plunging in.
2
MODE0, MODE1, MODE2/Motor excitation mode setting pin
Sets the motor excitation mode.
MODE0
MODE1
MODE2
Excitation Mode
L
L
L
FULL STEP A
H
L
L
HALF STEP A
L
H
L
HALF STEP B
H
H
L
QUARTER STEP A
L
L
H
FULL STEP B
H
L
H
QUARTER STEP B
L
H
H
1/8 STEP
H
H
H
1/16 STEP
Refer to the P.15, 16, 17 for the timing chart and motor torque vector of various excitation modes.
The excitation mode setting changes regardless of CLK signal (Refer to P.19).
3
CW_CCW/Motor rotating direction setting pin
Sets the motor
’s rotating direction. Change in setting is reflected at the CLK rising edge immediately after the change
in setting (refer to P.18).
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)
4
ENABLE/Output enable pin
Turn off forcibly all the output transistors (motor output is open).
The translator circuit stop and the electrical angle doesn't advance in the section of ENABLE=L. Because CLK input is
blocked.
However, during excitation modes (MODE0, MODE1, MODE2) switch within the interval of ENABLE=L, as ENABLE=L
to H is reset, the new mode upon switch will be applied for excitation (Refer to P.19).
ENABLE
Motor Output
L
OPEN (electrical angle maintained)
H
ACTIVE
5
PS/Power save pin
The PS pin can make circuit in standby state and make motor output OPEN.
In standby state, translator circuit is RESET (initialized) and electrical angle is initialized.
When PS=L to H,
be careful because there is a delay of 40 μs (Max) before it is returned from standby state to normal
state and the motor output becomes ACTIVE (Refer to P.14).
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.15, 16, 17).
Excitation Mode
Initial Electrical Angle
FULL STEP A
45°
HALF STEP A
45°
HALF STEP B
45°
QUARTER STEP A
45°
FULL STEP B
45°
QUARTER STEP B
45°
1/8 STEP
45°
1/16 STEP
45°


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