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BU24031GW-E2 Scheda tecnica(PDF) 4 Page - Rohm

Il numero della parte BU24031GW-E2
Spiegazioni elettronici  u-step System Lens Driver for Digital Still Cameras
Download  24 Pages
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Produttore elettronici  ROHM [Rohm]
Homepage  http://www.rohm.com
Logo ROHM - Rohm

BU24031GW-E2 Scheda tecnica(HTML) 4 Page - Rohm

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Datasheet
Datasheet
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TSZ02201-0M2M0BC12010-1-2
© 2013 ROHM Co., Ltd. All rights reserved.
2.May.2013 Rev.003
www.rohm.com
TSZ22111・15・001
BU24031GW
●Description of Blocks
Stepping Motor Driver (1ch, 2ch Driver)
Built-in stepping motor driver of PWM driving type.
1 stepping motor can be driven.
Built-in voltage feedback circuit of D-class type.
(1) Control
It corresponds to both the Clock IN and the Autonomous control.
(ⅰ)Clock IN Control
Set the registers for the stepping motor control.
The stepping motor is rotated and synchronized with the input clock in the STATE pin.
It is possible to select the mode of stepping motor control from μ-step, 1-2 phase excitation, 2 phase excitation and
the number of edge for electrical angle cycle from 4, 8, 32, 64, 128, 256, 512 or 1024.
(ⅱ)Autonomous Control
The stepping motor is rotated by setting the registers for the stepping motor control.
The state of rotation command (executing: 1, finished: 0), Cache register and motor position are the output from the
serial output (SOUT pin). Also, the signal (MO output) which is synchronized with the motor rotation is the output from
STATE pin.
It is possible to select the mode of stepping motor control from μ-step (1024 portion), 1-2 phase excitation and
2 phase excitation.
Cache Method
Built-in Cache registers.
Cache registers enable the setting of subsequent process while the motor is in operation. Through these registers,
operations are done continuously.
Up Down Method
It is possible to set Up, Constant and Down operation before the motor operates.
SIN wave
Control
Logic
PWM
Control
Logic
SIF
STM
Control
Logic
H.B.
H.B.
Host
ON/OFF
Direction
Torque
(Speed・Amount)
STATE
CSB
SCLK
SDATA
3
STM
SIN wave
Control
Logic
PWM
Control
Logic
H.B.
H.B.
Host
ON/OFF
Direction
Speed
Torque
Amount
State
STATE
CSB
SCLK
SDATA
3
STM
Position
SOUT
SIF
STM
Control
Logic


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