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參數(shù)資料
| 型號： | KA3031 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電元器件 |
| 英文描述： | 6-Channel Motor Drive IC |
| 中文描述： | CD MOTOR DRIVER, PQFP48 |
| 封裝： | 14 X 14 MM, HEAT SINK, QFP-48 |
| 文件頁數(shù)： | 16/24頁 |
| 文件大?。?/td> | 359K |
| 代理商： | KA3031 |
KA3031
16
6. TRAY, CHANGE MOTOR DRIVE PART
Rotational direction control
The forward and reverse rotational direction is controlled by FWD (pin 13, 16) and REV (pin 14, 17) input conditions are as
follows.
where Vr is (Vcc - Vbe) / 2 = 3.65V (at Vcc=8V)
where Out1 pins are pins 24 and 26, and out2 pins aer pins 25 and 27
Motor speed control
- The almost maximum torque is obtained when it is used with the pins 12 and 15 (CTL1, 2) open.
- If the torque of the motor is too low, then the applied voltage at pins 12 and 15 (CTL1, 2) are 0[V].
- When motor speed controlled, the applied voltage of the pins 12 and 15 (CTL1, 2) is between 0 and 4V.
Also, if the speed control is constant, the applied voltage of the pins 12 and 15 (CTL1, 2) is between 4 and
5V.
- This IC's applied maximum voltage is 6V when V
CC
is 8V.
- You must not use the applied CTL1, 2 voltage above 5.8V when V
CC
is 8V, and 3V when V
CC
is 5V.
INPUT
OUTPUT
OUT 2
Vr
L
H
Vr
FWD
H
H
L
L
REV
H
L
H
L
OUT 1
Vr
H
L
Vr
State
Brake
Forward
Reverse
Brake
M
24
26
25
27
12
15
13
16
14
17
out 1
out 2
D
LEVEL SHIFT
M.S.C
S.W
D
CTL1, 2
IN
FWD
REV
IN
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