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PDF SKT672-080-E Data sheet ( Hoja de datos )
| Número de pieza | SKT672-080-E | |
| Descripción | Stepping Motor Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SKT672-080-E (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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Ordering number : EN6507B
STK672-080-E
Thick-Film Hybrid IC
Unipolar Constant-current Chopper (external excitation
PWM) Circuit with Built-in Microstepping Controller
Stepping Motor Driver (sine wave drive)
Output Current 2.8A (no heat sink*)
http://onsemi.com
Overview
The STK672-080-E is a stepping motor driver hybrid IC that uses power MOSFETs in the output stage. It includes a
built-in microstepping controller and is based on a unipolar constant-current PWM system. The STK672-080-E
supports application simplification and standardization by providing a built-in 4 phase distribution stepping motor
controller. It supports five excitation methods: 2 phase, 1-2 phase, W1-2 phase, 2W1-2 phase, and 4W1-2 phase
excitations, and can provide control of the basic stepping angle of the stepping motor divided into 1/16 step units. It also
allows the motor speed to be controlled with only a clock signal.
The use of this hybrid IC allows designers to implement systems that provide high motor torques, low vibration levels,
low noise, fast response, and high-efficiency drive.
This product is provided in a smaller package than earlier STK672-050-E for easier mounting in end products.
Applications
• Facsimile stepping motor drive (send and receive)
• Paper feed and optical system stepping motor drive in copiers
• Laser printer drum drive
• Printer carriage stepping motor drive
• X-Y plotter pen drive
• Other stepping motor applications
Note*: Conditions: VCC1 = 24V, IOH = 2.0A, 2W1-2 excitation mode.
Semiconductor Components Industries, LLC, 2013
June, 2013
61108HKIM/52004TN(OT)/22002TN(OT) No.6507-1/18
1 page  
Test Circuit Diagrams
Vsat
VCC2
Start
Vref=2.5V
6
11 5 A
4 AB
8 3B
9 2 BB
STK672-080-E
7
VCC2
+ 13
1
STK672-080-E
VCC1
RL
V
Vdf
6
5A
4 AB
3B
2 BB
STK672-080-E
V
A13257
1
A
A13258
IIH, IIL
VCC2
IIH
A
IIL
A
2.5V
6
M1 8
M2 9
M3 12
CLK
CWB
11
STK672-080-E
10
RESET 134
ENABLE 15
Vref 7
1
Ioave, ICC, fc
VCC2
VCC1
Start
Vref
ENABLE
A
6a
11 5 A
8 4 AB
9 SW2
3B
STK672-080-E
7 2 BB
15
SW3
ba b
SW1
VCC1
+ 13
1
fc
A
A13259
A13260
For Ioave measurement: Set switch SW1 to the b position, provide the Vref input and switch over switch SW2.
For fc measurement: Set SW1 to the a position, set Vref to 0V, and switch over switch SW3.
For ICC measurement: Set the ENABLE input to the low level.
No.6507-5/18
5 Page 
STK672-080-E
• Excitation phases before and after excitation mode switching <counterclockwise direction>
2W1-2 phase → 2 phase
A
31 0
B 24
23
28 4
20 12
7
8B
16 15
A
W1-2 phase → 2 phase
A
30 0
B 24
22
28 4
20 12
6
8B
16 14
A
1-2 phase → 2 phase
A
0
28 4
28 4
B 24
20 12
8B
20 12
16
A
2 phase →1-2 phase
A
0
B 24
28 4
20 12
8B
16
A
2W1-2 phase → 1-2 phase
A
29
28
01
4
5
25
B 24
28
0
4
24 8
20 12
16
8B
9
21
20
1716
12
13
A
W1-2 phase → 1-2 phase
30
28
A
02
26
B 24
22
28
0
4
24
8
20 12
16
4
6
8B
10
20 12
18 16 14
A
1-2 phase → W1-2 phase
A
30 2
26
B
22
28
0
4
24
20 12
16
6
B
10
18 14
A
2 phase → W1-2 phase
A
2
26
B
28 4
20 12
B
10
18
A
2W1-2 phase → W1-2 phase
A
30 31
29
0 1 23
28
27
4
5
26
25
B 24
30
28
26
0
2
4
6
24
6
7
23
22
22
20
1816
8
10
1412
8B
9
10
21 11
20 12
1918 17 16151413
A
W1-2 phase → 2W1-2 phase
31
29
27
A
1
25
B
23
2830
26
24
0
2
4
6
22 8
20 10
1816 1412
21
3
5
7
9
11
B
19
17
13
15
A
1-2 phase → 2W1-2 phase
A
30
3
27
B
23
28 0 4
24
20
16
12
8
7
B
11
19
15
A
2 phase → 2W1-2 phase
A
27
B
3
28 4
20 12
B
19
A
11
A13267
No.6507-11/18
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet SKT672-080-E.PDF ] | |
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