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STK672-050-E Datasheet(PDF) 11 Page - Sanyo Semicon Device

Part No. STK672-050-E
Description  Stepping Motor Driver (sine wave drive) Output Current 3.0A (no heat sink*)
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

STK672-050-E Datasheet(HTML) 11 Page - Sanyo Semicon Device

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STK672-050-E
No.5228-11/19
Output Pin Functions
Pin No.
Symbol
Function
Pin circuit type
19
MOI
Phase excitation origin monitor
Standard CMOS structure
20, 21
MO1, MO2
Phase excitation state monitor
Standard CMOS structure
Output Signal Functions and Timing
• A, A, B, and B (Motor phase excitation outputs)
1) Function:
- In the 4 phase and 2 phase excitation modes, a 3.75
μs (typical) interval is set up between the A and A and B and
B output signal transition times.
• MO1, MO2, and MOI (Phase excitation state monitors)
1) Pin circuit type: Standard CMOS structure
1) Function:
- Output of the current phase excitation output state.
Phase coordinate
Phase A
Phase B
Phase A
Phase B
MO1
1
0
0
1
MO2
0
1
0
1
MOI outputs a 0 when each phase is at the origin, and outputs a 1 otherwise.
• Current division ratios set by M3, M4, and M5 ········· Values provided for reference purposes.
Mode
Circular
1
2
3
M4 = 1
M4 = 0
M4 = 1
M4 = 1
Setting
M3 = 0
M3 = 1
M5 = 1
M5 = 0
M5 = 0
M5 = 1
Units
Number of steps
14
15
15
13
1/16
2W1-2
20
25
23
19
1/8
2/16
31
34
33
28
3/16
2W1-2
40
44
42
39
2/8
4/16
48
51
49
45
5/16
2W1-2
55
62
57
54
3/8
6/16
65
69
65
62
7/16
2W1-2
71
77
71
69
4/8
8/16
77
82
77
74
9/16
2W1-2
83
88
85
82
5/8
10/16
88
92
89
85
11/16
2W1-2
92
95
95
92
6/8
12/16
97
98
98
94
13/16
Current
division
ratio
4W1-2
2W1-2
100
100
100
100
%
7/8
14/16
[Load conditions]
VCC1 = 24V, VCC2 = 5V, R/L = 3.5/3.8mH


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