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参数资料
| 型号： | LV8732V |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, PDSO44 |
| 封装： | 0.275 INCH, SSOP-44 |
| 文件页数： | 9/26页 |
| 文件大小： | 322K |
| 代理商： | LV8732V |
LV8732V
(12) Current control operation specification
(Sine wave increasing direction)
No.A1483-17/26
(Sine wave decreasing direction)
FAST
SLOW
CHARGE
FAST
SLOW
CHARGE
Current mode
fchop
Coil current
STEP
Set current
Forced CHARGE
section
Forced CHARGE
section
FAST
SLOW
FAST
SLOW
CHARGE
Current mode
fchop
Coil current
STEP
Set current
Forced CHARGE
section
CHARGE
In each current mode, the operation sequence is as described below :
At rise of chopping frequency, the CHARGE mode begins. (In the time defined as the “blanking time,” the CHARGE
mode is forced regardless of the magnitude of the coil current (ICOIL) and set current (IREF).)
The coil current (ICOIL) and set current (IREF) are compared in this blanking time.
When (ICOIL < IREF) state exists ;
The CHARGE mode up to ICOIL
≥ IREF, then followed by changeover to the SLOW DECAY mode, and
finally by the FAST DECAY mode for approximately 1
μs.
When (ICOIL < IREF) state does not exist ;
The FAST DECAY mode begins. The coil current is attenuated in the FAST DECAY mode till one cycle of
chopping is over.
Above operations are repeated. Normally, the SLOW (+FAST) DECAY mode continues in the sine wave increasing
direction, then entering the FAST DECAY mode till the current is attenuated to the set level and followed by the SLOW
DECAY mode.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV8732V_10 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:PWM Constant-Current Control Stepping Motor Driver |
| LV8732VGEVB | 功能描述:电源管理IC开发工具 EVM FOR LV8732V RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| LV8732VL-MPB-H | 制造商:ON Semiconductor 功能描述:STEPPING MOTOR DRIVER - Ammo Pack 制造商:ON Semiconductor 功能描述:FNFLD / STEPPING MOTOR DRIVER |
| LV8732VL-TLM-H | 功能描述:马达/运动/点火控制器和驱动器 RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| LV8732V-MPB-H | 功能描述:马达/运动/点火控制器和驱动器 RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
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