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KA3082 (IC401, IC402) : DC motor driver
1.Pin layout
1
GND
2.Pin function
Pin No.
Symbol
I/O
1
GND
-
2
VO1
O
3
VZ1
-
4
VCTL
I
5
VIN1
I
6
VIN2
I
7
SVCC
-
8
PVCC
-
9
VZ2
-
10
VO2
O
74HCU04 (OIC1) : Optical
1.Pin layout
1A 1
14 Vcc
1Y 2
13 6A
2A 3
12 6Y
04U
2Y 4
11 5A
3A 5
10 5Y
3Y 6
9 4A
GND 7
8 4Y
DRIVER OUT
PRE DRIVER
LOGIC SWITCH
2
3
4
5
V
V
V
Z1
V
CTL
O1
IN1
Function
Ground
Output 1
Phase compensation
Motor speed control
Input 1
Input 2
Supply voltage (Signal)
Supply voltage (Power)
Phase compensation
Output 2
TSD
6
7
8
9
PV
SV
V
V
CC
CC
Z2
IN2
MX-G500
10
V
O2
1-41
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