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STK673-010-E

ON Semiconductor
Part Number STK673-010-E
Manufacturer ON Semiconductor
Description 3-Phase Stepping Motor Driver
Published Feb 7, 2016
Detailed Description Ordering number : EN5708A STK673-010-E Thick-Film Hybrid IC Bipolar Fixed-Current Chopper (external excitation PWM) Bui...
Datasheet PDF File STK673-010-E PDF File

STK673-010-E
STK673-010-E

Overview
Ordering number : EN5708A STK673-010-E Thick-Film Hybrid IC Bipolar Fixed-Current Chopper (external excitation PWM) Built-in Microstepping Control 3-Phase Stepping Motor Driver (sine wave drive) Output Current 2.
4A http://onsemi.
com Overview The STK673-010-E is a 3-phase stepping motor driver hybrid IC with built-in microstep controller having a bipolar constant current PWM system, in which a power MOSFET is employed at an output stage.
It includes a 3-phase distributed controller for a 3-phase stepping motor to realize a simple configuration of the motor driver circuit.
The number of motor revolution can be controlled by the frequency of external clock input.
2, 2-3, W2-3 and 2W2-3phase excitation modes are available.
The basic step angle of the stepping motor can be separated as much as one-eighth 2-3-phase to 2W2-3-phase excitation mode control quasi-sine wave current, thereby realizing low vibration and low noise.
Applications • As a 3-phase stepping motor driver for transmission and reception in a facsimile.
• As a 3-phase stepping motor driver for feeding paper feed or for an optical system in a copying machine.
• Industrial machines or products employing 3-phase stepping motor driving.
Features • Number of motor revolution can be controlled by the frequency of external clock input.
• 4 types of modes, i.
e.
, 2, 2-3, W2-3 and 2W2-3-phase excitations, are available which can be selected based on rising of clock signals, by switching Highs and Lows of Mode A and Mode B terminals.
• Setting a Mode C terminal Low allows an excitation mode that is based on rising and falling of a clock signal.
By setting the Mode C terminal Low, phases that are set only by Mode A and Mode B can be changed to other phases as follows without changing the number of motor revolution: 2-phase may be switched to 2-3-phase; 2-3-phase may be switched to W2-3-phase; and W2-3-phase may be switched to 2W2-3-phase.
• Phase is maintained even when the excitation mode is changed.
• An MOI outp...


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