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ENA1137B Datasheet(PDF) 1 Page - Sanyo Semicon Device |
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ENA1137B Datasheet(HTML) 1 Page - Sanyo Semicon Device |
1 / 15 page 62911HKPC 5-7063/42011HKIM/71608HKIM No.A1137-1/15 STK673-011-E Overview The STK673-011-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 2W2-3- phase 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. Continued on next page. Ordering number : ENA1137B Thick-Film Hybrid IC 3-Phase Stepping Motor Driver 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 'sproductsor equipment. 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. |
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