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參數(shù)資料
| 型號(hào)： | KA3017 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電元器件 |
| 英文描述： | Spindle + 4-CH Motor Driver |
| 中文描述： | CD MOTOR DRIVER, PQFP48 |
| 封裝： | 14 X 14 MM, HEAT SINK, QFP-48 |
| 文件頁數(shù)： | 17/26頁 |
| 文件大?。?/td> | 433K |
| 代理商： | KA3017 |
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KA3017
17
8. Reverse Rotation Preventing Function
- The forward and reverse rotation of the motor are detected, as shown in the table below. Consequently at reverse rotation,
the D-F/F output Q becomes Low and cuts off the output current sense Amp, resulting in the stoppage of the Gain
controller function.
- When the MD is rotating in forward direction, E
C
>E
CR
is sometimes controlled to retard and/or stop the MD. As the
controlling time of E
C
>E
CR
gets longer, MD slows down, stops, and then rotates in the reverse direction. To prevent the
MD from rotating in the reverse direction, a reverse rotation resistant function is required. Its operational principles are
discussed below.
Rotation
H2
H3
D-F/F
Reverse Rotation Preventer
E
C
<E
CR
Forward
–
E
C
>E
CR
Brake and Stop
Stop
Forward
Reverse
H
L
H
→
L
H
→
L
H
L
( b)
H1
H2
H3
+
+
+
Current
Sense
Amp
Gain
Controller
Driver
D-F/F
M
D
Q
CK
H3+
H3
H2+
H2
E
C
E
CR
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| KA3018D2 | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DISC BY MFG 2/02 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 |
| KA3018D2TF | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DISC BY MFG 2/02 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 |
| KA301A | 功能描述:運(yùn)算放大器 - 運(yùn)放 amplifier Single Operational RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| KA301A_Q | 功能描述:運(yùn)算放大器 - 運(yùn)放 amplifier Single Operational RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| KA301AD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:slNGLE oPERATIONAL AMPLIFlER |
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