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BU24035GW Fiches technique(PDF) 4 Page - Rohm

No de pièce BU24035GW
Description  u - step System Lens Driver for Digital Still Cameras
Download  25 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BU24035GW Fiches technique(HTML) 4 Page - Rohm

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Datasheet
Datasheet
4/21
TSZ02201-0M2M0BC12080-1-2
© 2013 ROHM Co., Ltd. All rights reserved.
18.Apr.2013 Rev.002
www.rohm.com
TSZ22111・15・001
BU24035GW
●Description of Blocks
Stepping Motor Driver (1ch-4ch Driver)
Built-in stepping motor driver of PWM driving type.
Maximum 2 stepping motor can be driven independently.
Built-in voltage feedback circuit of D-class type.
3ch/4ch drivers can also drive independently for DC motor or voice coil motor.
(1) Control
It corresponds to both Clock IN and 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.
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 is operates.
SIN wave
Control
Logic
PWM
Control
Logic
SIF
STM
Control
Logic
H.B.
H.B.
Host
ON/OFF
Direction
Torque
(Speed・Amount)
STATEx1
CSB
SCLK
SDATA
3
STM
SIN wave
Control
Logic
PWM
Control
Logic
H.B.
H.B.
Host
ON/OFF
Direction
Speed
Torque
Amount
MO
STATEx2
CSB
SCLK
SDATA
3
STM
BUSY
STATEx1
SIF
STM
Control
Logic


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