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PDF STK672-050-E Data sheet ( Hoja de datos )

Número de pieza STK672-050-E
Descripción Stepping Motor Driver
Fabricantes Sanyo Semicon Device 
Logotipo Sanyo Semicon Device Logotipo



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Ordering number : EN5228D
STK672-050-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 3.0A (no heat sink*)
Overview
The STK672-050-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 STK672-050-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.
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.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
61108HKIM/52004TN(OT)/60200RM(OT)/N2997HA(ID)/11896HA(ID) No.5228-1/19
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STK672-050-E pdf
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Test Circuit Diagrams
Vsat
VCC2
Start
Vref=2.5V
7
14 6 A
5A
9 2B
10 1 B
STK672-050-E
8
VCC2
+ 16
22
4
3
STK672-050-E
VCC1
V
ITF02391
Vdf
7
6A
5A
2B
1B
STK672-050-E
V
4
3
22
A
ITF02392
IIH, IIL
IIH
A
IIL
Ioave, ICC, fc
VCC2
M1 9
M2 10
M3 11
M4 12
M5 13
7
CLK
CWB
14 STK672-050-E
15
RESET 16
RETURN 17
ENABLE 18
Vref 8
22
Start
Vref=1V 0V
5V
Low when
measuring ICC
0V
VCC2
+
ITF02393
VCC2
A
7
14 6 A
9 2A
10
5B
1B
8 STK672-050-E
18
16
22
VCC1
a ba b
SW1
SW2
VCC1
A
ITF02394
When measuring Ioave: With SW1 set to ‘a’, Vref = 0.6V
When measuring fc: With SW1 set to ‘b’, Vref = 0V
When measuring ICC: Set ENABLE low
No.5228-5/19
Datasheet pdf - http://www.DataSheet4U.net/

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STK672-050-E arduino
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Output Pin Functions
Pin No.
19
20, 21
Symbol
MOI
MO1, MO2
STK672-050-E
Function
Phase excitation origin monitor
Phase excitation state monitor
Pin circuit type
Standard CMOS structure
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 3.75μs (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
Setting
M3 = 0
M3 = 1
M4 = 1
M5 = 1
M4 = 0
M5 = 0
M4 = 1
M5 = 0
M4 = 1
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
Current
65 69 65 62
7/16
division
4W1-2
%
ratio
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
2W1-2
100
100
100
100
7/8 14/16
[Load conditions]
VCC1 = 24V, VCC2 = 5V, R/L = 3.5/3.8mH
No.5228-11/19
Datasheet pdf - http://www.DataSheet4U.net/

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