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BD63621MUV Folha de dados(PDF) 3 Page - Rohm

Nome de Peças. BD63621MUV
descrição  Stepping Motor Driver
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Fbricantes  ROHM [Rohm]
Página de início  http://www.rohm.com
Logo ROHM - Rohm

BD63621MUV Folha de dados(HTML) 3 Page - Rohm

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BD63621MUV
TSZ02201-0P2P0B701290-1-2
2017 ROHM Co., Ltd. All rights reserved.
21.Dec.2020 Rev.002
www.rohm.com
TSZ22111?15?001
Description of operation
? SELECT?Input Mode Switching Terminal
This is the terminal to set the input mode.
SELECT
DECAY Mode
L
DECAY Mode 1
H
DECAY Mode 2
?CLK?Clock 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,MODE1?Motor Excitation Mode Setting Terminal
Set the motor excitation mode
Please refer to the P.13-14 for the timing chart & motor torque vector of various excitation modes.
Unrelated to CLK, change in setting is forcibly reflected (refer to P.16).
?CW_CCW?Motor 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.15)
CW_CCW
Rotating direction
L
Clockwise (CH2?s current is outputted with a phase lag of 90in regard to CH1?s current)
H
Counter Clockwise
(CH2?s current is outputted with a phase lead of 90in regard to CH1?s current)
?ENABLE?Output 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 (refer to P.16).
ENABLE
Motor Output
L
OPEN (electrical angle maintained)
H
ACTIVE
?PS?Power 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 40s(Max) before it is returned from standby state to normal state and the
motor output becomes ACTIVE (refer to P.12).
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.13-14).
Excitation Mode
Initial Electrical Angle
FULL STEP
45
HALF STEP A
45
HALF STEP B
45
QUARTER STEP
45
MODE0
MODE1
Excitation Mode
L
L
FULL STEP
H
L
HALF STEP A
L
H
HALF STEP B
H
H
QUARTER STEP


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