STK672-630A-E Sanyo Semicon Device, STK672-630A-E Datasheet - Page 4

• Manufacturer Part Number: STK672-630A-E
• Description: 2-phase Stepping Motor Driver
• Manufacturer: Sanyo Semicon Device

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Block Diagram
Sample Application Circuit
V DD =5V
RESETB
ENABLE
MODE1
MODE2
CLOCK
FAULT
V DD (5V)
ENABLE
CLOCK
MODE1
CWB
MODE2
Vref
S.G
N.C
CWB
FAULT
14
18
10
17
12
13
16
19
11
15
9
R01
R02
Overheating
Power-on
Excitation mode
(open drain)
detection
advance
counter
reset
FAULT
Phase
signal
selection
RESETB
Vref
R03
Circuit
Latch
12
10
17
13
15
14
16
19
STK672-630A-E
9
Circuit
Latch
STK672-630A-E
V DD
V SS
V SS
Vref/4.9
Current control
chopper circuit
generator
excitation
Phase
signal
Amplifier
Overcurrent
18
detection
S.G
100kΩ
4
5
2
6
3
1
A
AB
B
BB
8
P.G2
P.G1
N.C
V SS
FAB
FAO
FBO
FBB
2 phase stepping motor driver
7
AI
BI
Vref
N.C
4
F1
A
R1
5
AB
F2
R2
3
F3
B
1
+
F4
No. A1129-4/21
C01
at least 100μF
V CC
P.GND
BB
24V
2
6
P.G2
P.G1
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