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BU24033GW-E2 データシート(PDF) 4 Page - Rohm

部品番号. BU24033GW-E2
部品情報  u - step System Lens Driver for Digital Still Cameras
ダウンロード  25 Pages
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メーカー  ROHM [Rohm]
ホームページ  http://www.rohm.com
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BU24033GW-E2 Datasheet(HTML) 4 Page - Rohm

 
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4/21
TSZ02201-0M3M0BC16060-1-2
© 2013 ROHM Co., Ltd. All rights reserved.
20.May.2016 Rev.003
www.rohm.com
TSZ22111・15・001
BU24033GW
Description of Blocks
Stepping Motor Driver ( 1ch-4ch Driver)
Built-in stepping motor driver of PWM driving type.
Maximum 2 stepping motors 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.
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.
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.
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
SIF
STM
Control
Logic
H.B.
H.B.
Host
ON/OFF
Direction
Speed
Torque
Amount
State
STATE
CSB
SCLK
SDATA
3
STM
Position
SOUT


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