stk681-320 ON Semiconductor, stk681-320 Datasheet - Page 4

• Manufacturer Part Number: stk681-320
• Description: Thick-film Hybrid Ic Forward/reverse Motor Driver
• Manufacturer: ON Semiconductor

Internal Block Diagram
Sample Application Circuit
V CC 2=5V
10μF/50V
INH
IN1
IN2
INH
IN1
14
12
C2
+
Vref1a
Vref1b
RSO
RSI
NC
11
Vref2
NC
15
12
13
14
17
16
18
19
10
3
F1
F3
STK681-320
V CC 1
Current
control
S.P
9
STK681-320
2
OUT1
8
5.1kΩ
OUT2
6
10
11
7
9
8
6
4
5
1
82kΩ
V CC 1
OUT1
OUT2
NC
NC
NC
NC
7
current control
Overheating
F2
F4
NC
5
+
C1
47μF to /50V
NC
4
Rs
0.056Ω
Motor
V CC 1=24V
13
15
16
19
18
17
1
2
3
IN2
V CC 2
Vref1a
RSO
Vref1b
Vref2
RSI
GND
S.P
ITF02479
ITF02478
GND
CCW
CW
No. A0762-4/10