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參數(shù)資料
| 型號： | L6258E |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.5 A, PDSO36 |
| 封裝： | ROHS COMPLIANT, SOP-36 |
| 文件頁數(shù)： | 7/31頁 |
| 文件大?。?/td> | 360K |
| 代理商： | L6258E |
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L6258E
Functional description
Doc ID 8688 Rev 9
15/31
positively unbalanced respected Vr.
In this case being the error amplifier output voltage greater than Vr, the output of the first
comparator is a square wave with a duty cycle higher than 50%, while the output of the
second comparator is a square wave with a duty cycle lower than 50%.
The variation in duty cycle obtained at the outputs of the two comparators is the same, but
one is positive and the other is negative with respect to the 50% level.
The two driving signals, generated in this case, drive the two outputs in such a way to have
switched current flowing from OUT_A through the motor winding to OUT_B.
With a negative differential voltage VDAC, the transconductance loop will be negatively
unbalanced respected Vr.
In this case the output of the first comparator is a square wave with a duty cycle lower than
50%, while the output of the second comparator is a square wave with a duty cycle higher
than 50%.
The variation in the duty cycle obtained at the outputs of the two comparators is always of
the same.
The two driving signals, generated in this case, drive the the two outputs in order to have the
switched current flowing from OUT_B through the motor winding to OUT_A.
2.7
Current control loop compensation
In order to have a flexible system able to drive motors with different electrical characteristics,
the non inverting input and the output of the error amplifier ( EA_OUT ) are available.
Connecting at these pins an external RC compensation network it is possible to adjust the
gain and the bandwidth of the current control loop.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L6258E_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258EA | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258EP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258EP_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258EX | 功能描述:馬達/運動/點火控制器和驅(qū)動器 1.5A Stepper Motor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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