STK681-320 Datasheet, PDF (4/10 Pages) Sanyo Semicon Device – Forward/Reverse Motor Driver

Internal Block Diagram
STK681-320
NC NC VCC1 OUT1 OUT2 VCC1 NC NC
11 10 9 8
6
7
5
4
F1
F3
IN1 12
F2
F4
13 IN2
INH 14
82kΩ
Current
control
5.1kΩ
Overheating
current control
15 VCC2
16 ^Vref1a
RSI
19
3 ^RSO
Rs
0.056Ω
1 GND
2 S.P
18 ^Vref1b
17 Vref2
Sample Application Circuit
ITF02479
STK681-320
VCC2=5V
15
IN1
12
IN2
13
INH
+
C2
10μF/50V
14
Vref2 17
Vref1a ¹⁶
Vref1b 18
RSO 3
RSI 19
2
S.P
7
VCC1=24V
9
OUT1
8
OUT2
6
Motor
4 NC
5 NC
10 NC
11 NC
1
+ _C1
47μF to /50V
CCW
CW
GND
ITF02478
No. A0762-4/10