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參數資料
型號: FAN8423D3
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 運動控制電子
英文描述: 3-Phase BLDC Motor Driver
中文描述: BRUSHLESS DC MOTOR CONTROLLER, 1.3 A, PDSO30
封裝: 0.375 INCH, HEAT SINK, SSOP-28
文件頁數: 11/18頁
文件大小: 249K
代理商: FAN8423D3
FAN8423D3
11
Rev. 1.0.1
Oct. 2000.
Therefore, the output of the rotational direction detector is Low, when the spindle rotates forward, while HIGH as in the case
of the reverse rotation.
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.
Rotation
H2
H3
D-F/F
(Q)
Reverse Rotation Preventer
E
C
<E
CR
Forward
-
E
C
>E
CR
-
Brake and Stop
Forward
Reverse
H
L
H
L
H
L
H
L
(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PDF資料
PDF描述
FAN8423D 3-Phase BLDC Motor Driver(三相無刷直流電機驅動器)
FAN8434 Camcorder 3 in 1 Motor Driver
FAN8434X Camcorder 3 in 1 Motor Driver
FAN8434X_NL Camcorder 3 in 1 Motor Driver
FAN8434_NL Camcorder 3 in 1 Motor Driver
相關代理商/技術參數
參數描述
FAN8423D3TF 功能描述:馬達/運動/點火控制器和驅動器 BLDC Motor Driver 3Phase 5V Interface RoHS:否 制造商:STMicroelectronics 產品: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
FAN8423DTF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver
FAN8434 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Camcorder 3 in 1 Motor Driver
FAN8434_NL 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Camcorder 3 in 1 Motor Driver
FAN8434X 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Camcorder 3 in 1 Motor Driver
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