STK672-740A-E Datasheet, PDF (4/19 Pages) Sanyo Semicon Device – Thick-Film Hybrid IC 2-phase Stepping Motor Driver

STK672-740A-E
Block Diagram
VDD=5V 9
φBB 10
NC 11
φAB 17
BBIN
BIN
φB 12 _ABIN
φA 13 _AIN
RESETB 14
ENABLE 15
FAULT 16
Power-on
reset
FAULT signal
(open drain)
Overheating
detection
S.G ₁₈
Vref 19
NC
8
VDD
Latch
circuit
Overcurrent
detection
NC
4
FAO
FAB
FBO
FBB
A
5
F1
AB
7
F2
B
3
F3
Current control
AI
chopper circuit
BI
Latch
circuit
Vref/4.9 _-
+
Amplifier
VSS 100kΩ
VSS
Vref
VSS
R1
R2
BB
1
F4
2 P.G1
6 P.G2
Sample Application Circuit
VDD(5V)
φA
φAB
φB
φBB
ENABLE
R01
FAULT
R02
STK672-740A-E
9
13
17
12
10
15
RESETB
14
R03
16
Vref
19
2 phase stepping motor driver
5A
7 ^AB
3B
BB
1
2 ^P.G1
18
6
P.G2
S.G
VCC=24V
+
C01
at least 100μF
P.GND
No. A1136-4/19