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參數(shù)資料
| 型號(hào)： | LB8659PL |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.8 A, QCC40 |
| 封裝： | 5 X 5 MM, VQLP-40 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 262K |
| 代理商： | LB8659PL |
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92706 / 62504 JO IM No.7899-1/16
LB8659FN
LB8659PL
Features
An actuator driver for digital camera is implemented on a single chip.
(1) Supports a constant voltage for the AF H-bridge
×2 : a stepping motor (STM) ×1.
- Constant voltage drive.
- Enables 1 phase, 1-2 phase and 2-phase excitation.
- VC1 and VC2 allow the constant voltage for each channel to be set independently.
(2) Supports a constant current for the shutter H-bridge
×1 : a voice coil motor (VCM) ×1.
- Constant current drive.
- ICH allows current setting for each current carrying direction.
→Supports current suppression while the shutter is open. [applies only to LB8659FN]
- A fast charge/discharge circuit allows for stabilization of response speed of the continuous drive mode.
- Allows offsetting of the constant current rising waveform with an external C.
(The external C is not required when an offset is not performed.)
→Prevent current rising variation of coil caused by supply voltage fluctuation.
- Implements regenerative brake logic.
(3) Supports a constant voltage for the iris H-bridge
×1 : a voice coil motor (VCM) ×1.
- Constant voltage drive.
- VC4 allows the independent constant voltage to be set.
(4) Supports a constant voltage for the zoom H-bridge
×1 : a DC motor (DCM) ×1.
- Constant voltage drive.
- VC3 allows the independent constant voltage to be set.
- Built-in short brake.
(5) Supports an open collector output for the photo sensor
×3 : a photo sensor (PR/PI) ×3.
- AFPI and ZMPI are turned ON in synchronization with focus mode and zoom mode, respectively.
- ZMPR can be controlled independently, regardless of mode.
[Actuator applications]
Focus
Shutter
Iris
Zoom
Applications
STM
VCM
DCM
Continued on next page.
Ordering number : ENN7899
Monolithic Digital IC
DSC Motor Driver
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
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