STK672-442B-E 查看數據表（PDF） - ON Semiconductor
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STK672-442B-E Datasheet PDF : 26 Pages
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Block Diagram
STK672-442B-E
VDD
9
MOI FAULT2 Vref
7
8
19
A AB B BB
4531
MODE1 10
MODE2 11
CWB 13
CLOCK 12
MODE3 17
RESETB 14
ENABLE 15
FAULT1 16
Excitation mode
selection
Rising edge / falling
edge detection
Phase
advance
counter
1÷4.9
Current divider
ratio switching
Pseudo sine
wave generator
VSS
Power-on
reset
Phase
excitation
signal
generator
Overheating
detection
Latch
Oscillator
Reference
clock
generator
PWM
control
Overcurrent
detection
Open
detection
S.G 18
SUB
F1 F2 F3 F4
2 P.G2
6 P.G1
Sample Application Circuit
VDD=5V
CLOCK
ENABLE
CWB
MOI
C02
10μF
R01
+
R02
S.G
FAULT1
FAULT2
STK672-442B-E
10
9
11
17
12
15
13
7
RESETB
14
2-phase stepping motor
A
4
AB
5
B
3
BB
1
Vref
19
P.G2
2
8
16 18
6
P.G1
VCC=24V
+
C01
at least 100μF
P.GND
No.A1735-5/26
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