STK672-432A-E Sanyo Semicon Device, STK672-432A-E Datasheet - Page 5

• Manufacturer Part Number: STK672-432A-E
• Description: 2-phase Stepping Motor Driver
• Manufacturer: Sanyo Semicon Device

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Block Diagram
Sample Application Circuit
RESETB
ENABLE
FAULT1 16
MODE1
MODE2
MODE3
CLOCK 12
CWB
S.G 18
ENABLE
V DD =5V
FAULT1
FAULT2
CLOCK
10
17
14
15
CWB
MOI
S.G
10μF
C02
Oscillator
Excitation mode
Rising edge /
falling edge
Power-on reset
detection
selection
+
R01
R02
Reference clock
generator
Latch
RESETB
advance
counter
Vref
Phase
V DD
SUB
9
STK672-432A-E
10
11
17
12
15
13
7
14
19
STK672-432A-E
excitation
generator
Phase
control
signal
8
PWM
wave generator
Current divider
ratio switching
Pseudo sine
9
16
18
MOI
4
5
3
1
2
6
7
+
+
-
-
V SS
1÷4.9
A
AB
B
BB
P.G2
Overcurrent
Overheating
P.G1
detection
detection
FAULT2
2-phase stepping motor
100kΩ
+
-
Vref
19
A
4
AB
+
5
C01
100μF
B
3
V CC =24V
P.GND
No.A1586-5/21
BB
1
2
6
P.G1
P.G2
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