stk672-642b-e Sanyo Semiconductor Corporation, stk672-642b-e Datasheet - Page 4
stk672-642b-e
Manufacturer Part Number
stk672-642b-e
Description
2-phase Stepping Motor Driver
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.STK672-642B-E.pdf
(24 pages)
- Current page: 4 of 24
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Block Diagram
Sample Application Circuit
RESETB 14
V DD =5V
ENABLE 15
MODE1 10
MODE2 17
FAULT1 16
CLOCK 12
ENABLE
V DD (5V)
CWB 13
MODE1
MODE2
CLOCK
Vref 19
N.C 11
S.G 18
CWB
FAULT1
FAULT2
9
R02
R01
Excitation mode
Overheating
Power-on
detection
advance
counter
reset
selection
Phase
FAULT1
FAULT2
signal
C02
RESETB
Circuit
Vref
Latch
0.1μF
R03
9
12
10
17
13
15
14
16
8
19
STK672-642B-E
Circuit
Circuit
Latch
Latch
V DD
V SS
STK672-642B-E
Vref/4.9
V SS
excitation
generator
Amplifier
Phase
Current control
chopper circuit
Overcurrent
signal
18
detection
detection
Output
open
S.G
FAULT2
4
5
3
1
2
6
8
A
AB
B
BB
P.G2
P.G1
N.C
7
2 phase stepping motor driver
FAO
FAB
FBO
FBB
AI
BI
Vref
A
4
F1
R1
AB
5
F2
B
3
F3
R2
+
C01
at least 100μF
P.GND
BB
V CC
24V
1
No. A1740-4/24
F4
2
6
P.G2
P.G1
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