參數(shù)資料
型號: KA3050
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 運動控制電子
英文描述: Tantalum Molded High Capacitance Capacitor; Capacitance: 22uF; Voltage: 4V; Packaging: Tape & Reel
中文描述: STEPPER MOTOR CONTROLLER, 3 A, PQFP48
封裝: 10 X 10 MM, QFP-48
文件頁數(shù): 12/22頁
文件大?。?/td> 199K
代理商: KA3050
KA3050
12
2. Af Motor And Ae Meter Drive Block (Stepping Motor Drive Block)
The block diagram describes the driver of AF motor and AE meter in camera systems.
The drive output is selected by MC signals (MC
1
~
4
).
These MC codes are as follows.
The output voltage (V
COIL
) is determined by SC
1
~
4.
The V
COIL
is potential difference between drive output and ground.
i.e.,
V
COIL
= V
SM
- GND.
The V
COIL
is selected by following table.
INPUT
OUTPUT
SM
3
-
-
-
L
H
L
H
MC
1
MC
2
L
L
L
H
H
H
H
MC
3
L
H
H
L
L
H
H
MC
4
H
L
H
L
H
L
H
SM
1
-
-
-
L
L
H
H
SM
2
-
-
-
H
H
L
L
SM
4
L
H
L
H
L
H
L
SM
5
H
L
L
-
-
-
-
H
Stepping Motor
Control Block
18
17
16
SM
1
SM
2
SM
3
15
14
SM
4
SM
5
MC
1
~MC
4
SC
1
~SC
4
V
SI
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