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参数资料
| 型号： | L6258EX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.5 A, PDSO36 |
| 封装： | POWER, SO-36 |
| 文件页数： | 15/31页 |
| 文件大小： | 305K |
| 代理商： | L6258EX |
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L6258E
Figure 9.
Aloop bode plot (compensated)
We can see that the effect of the load pole is cancelled by the zero of the Bx block ; the total
Aloop cross a the 0dB axis with a slope of -20dB/decade, having in this way a stable system
with an high gain at low frequency and a bandwidth of around 8KHz.
To increase the bandwidth of the system, we should increase the gain of the Bx block,
keeping the zero in the same position. In this way the result is a shift of the total Aloop
transfer function up to a greater value.
3.5
Effect of the Bemf on the current control loop stability
In order to evaluate what is the effect of the Bemf voltage of the stepper motor we have to
look at the load block:
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6258EX_07 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258EXTR | 功能描述:马达/运动/点火控制器和驱动器 Hi-Curr Univ Motor 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 |
| L625CME | 制造商:COOPER INDUSTRIES 功能描述:LUFKIN / TAPE,POWER,1"(25MM)X25(8 |
| L625DG | 制造商:LIGHTING COMP DESIGN 功能描述: 制造商:Lighting Components & Design Inc 功能描述: |
| L625DR | 制造商:LIGHTING COMP DESIGN 功能描述: 制造商:Lighting Components & Design Inc 功能描述: |
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