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STK672-080 Datasheet

  • STK672-080

  • Stepping Motor Driver (Sine Wave Drive) Output Current : 2.8...

  • 17頁

  • SANYO

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Ordering number : ENN6507A
Thick-Film Hybrid IC
STK672-080
Stepping Motor Driver (Sine Wave Drive) Output Current: 2.8 A (No Heat Sink*)
Unipolar constant-current chopper (external excitation PWM) circuit with built-in microstepping controller
Overview
The STK672-080 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
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.
Compared to the earlier SANYO STK672-050, the
STK672-080 features a significantly smaller package for
easier mounting in end products.
<Control Block Features>
鈥?One of five drive types can be selected with the drive
mode settings (M1, M2, and M3)
鈥? phase excitation drive
鈥?-2 phase excitation drive
鈥擶1-2 phase excitation drive
鈥?W1-2 phase excitation drive
鈥?W1-2 phase excitation drive
鈥?Phase retention even if excitation is switched.
鈥?The MOI phase origin monitor pin is provided.
鈥?The CLK input counter block can be selected to be one of
the following by the high/low setting of the M3 input pin.
鈥擱ising edge only
鈥擝oth rising and falling edges
Note*: Conditions: V
CC
1 = 24 V, I
OH
= 2.0 A, 2W1-2
excitation mode.
Continued on next page.
Package Dimensions
unit: mm
4186
[STK672-080]
46.6
41.2
8.5
Applications
鈥?Facsimile stepping motor drive (send and receive)
鈥?Paper feed and optical system stepping motor drive in
copiers
鈥?Laser printer drum drive
鈥?Printer carriage stepping motor drive
鈥?X-Y plotter pen drive
鈥?Other stepping motor applications
12.7
1
15
14脳2.0=28
4.0
2.0
0.5
0.4
2.9
Features
鈥?Can implement stepping motor drive systems simply by
providing a DC power supply and a clock pulse
generator.
(6.6)
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft鈥檚
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
52004TN (OT) / 22002TN (OT) No. 6507-1/17
1.0
3.6
25.5

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