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參數(shù)資料
| 型號(hào)： | LB11850VA |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | AC MOTOR CONTROLLER, PDSO24 |
| 封裝： | 0.225 INCH, SSOP-24 |
| 文件頁(yè)數(shù)： | 2/14頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | LB11850VA |
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LB11850VA
No.A0609-10/14
4) Procedure for calculating constants
<RC pin>
The slope shown in the speed control diagram is determined by the constant of the RC pin.
(1) Obtain FG signal frequency fFG (Hz) of the maximum speed of the motor.
(With FG2 pulses per rotation)
fFG (Hz) = 2 rpm/60 .... <1>
(2) Obtain the time constant which is connected to the RC pin.
(Have “DUTY” (example: 100% = 1.0, 60% = 0.6) serve as the CTL duty ratio at which the maximum speed is to
be obtained.)
R
×C = DUTY/(3.3×1.1×fFG) .... <2>
(3) Obtain the resistance and capacitance of the capacitor.
Based on the discharge capacity of the RC pin, the capacitance of the capacitor which can be used is 0.01 to
0.015
F. Therefore, find the appropriate resistance using equation <3> or <4> below from the result of <2>
above.
R = (R
×C)/0.01F .... <3>
R = (R
×C)/0.015F .... <4>
The temperature characteristics of the curve are determined by the temperature characteristics of the capacitor of the
RC pin. When temperature-caused fluctuations in the speed are to be minimized, use a capacitor with good
temperature characteristics.
(RPM)
CTL Duty(%)
Motor
at maximum speed
0%
100%
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| LB11850VA-MPB-H | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| LB11850VA-TLM-E | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 FAN MOTOR DRIVER 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| LB11850VA-TLM-H | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 BRUSHLESS MOTOR DRIVER 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| LB11851FA-AH | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 BRUSHLESS MOTOR DRIVER 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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