STK672-110-SL-E Datasheet, PDF (4/11 Pages) Sanyo Semicon Device – Thick-Film Hybrid IC 2-phase Stepping Motor Driver

Block Diagram
STK672-110-SL-E
VDD 10
MODE 8
CLOCK 9
CWB 7
RESETB 6
Excitation mode
selection
Phase advance
counter
Phase excitation
signal generation
Chopping circuit
Off time
setting
Vref 12
SP 11
A
AB
5
4
F1
F2
B
BB
3
2
F3
F4
R1
R2
+
VrefA
-
C1 _RsA
RsB
+
VrefB
-
C2
1 GND
SUB
Sample Application Circuit
VDD=5V
CLOCK
MODE
CWB
5V
RO3
D1
+
CO4 10μF
STK672-110-SL-E
10μF
CO3 ^{+ 10}
9
8
7
A
5
AB
4
Two-phase stepping motor
RESETB
6
5V
B
3
BB
2
RO1
Vref
RO2
0.1μF
CO1
12
11
GND
1
VCC
24V
+ _CO2
At least 100μF
P.GND
No. A2139-4/11