參數(shù)資料
型號(hào)： KA3025
廠商： Fairchild Semiconductor Corporation
英文描述： Spindle Motor and 5-Channel Motor Driver(主軸電機(jī)和五通道電機(jī)驅(qū)動(dòng)器)
中文描述： 主軸電機(jī)和5通道馬達(dá)驅(qū)動(dòng)器（主軸電機(jī)和五通道電機(jī)驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 14/21頁(yè)
文件大小： 210K
代理商： KA3025
FAN8725 (KA3025)
14
On the other hand, if the spindle rotates in forward rotation, the phase relationship is H3->H2->H1 as shown in Fig.(b)
The direction output ,detector is Low, when the spindle rotates forward, and HIGH in the reverse direction.
6. REVERSE ROTATION PREVENTION
1) When the output of the OR Gate, A is LOW, it steers all the output current of the current sense Amp to the Gain Controller
zero. The output current of the Driver becomes zero and the motor stops.
2) As in the state of the forward rotation, the D-F/F output, Q is HIGH and the motor rotates normally. At this state, if the
control input is changed such that EC>ECR, then the motor rotates slowly by the reverse commutation in the Driver. When
the motor rotates in reverse direction, the D-F/F output becomes Low and the OR Gate output, becomes LOW. This pre-
vents the motor from rotating in reverse direction. The operation principle is shown in the table and the flow chart.
(b) Forward rotation
H1
H2
H3
+
-
+
-
+
-
Current
Sense
Amp
Gain
Controller
Driver
D-F/F
M
D
Q
CK
H3+
H3-
H2+
H2-
EC
ECR
A
Low Active
相關(guān)PDF資料
PDF描述
KA3030 6-Channel Motor Drive IC
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KA3032 5-Channel Motor Drive IC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KA3027D2 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
KA3027D2TF 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
KA3030 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:6-Channel Motor Drive IC
KA3030D 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Motor Driver 4Ch BTL+2Ch DC 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
KA3030DTF 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
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