STK672-050-E

ON SEMICONDUCTOR  STK672-050-E  芯片, 驱动器, 步进电机, 45V输入, 3A

The is a stepping motor driver Hybrid IC uses power MOSFETs in the output stage. It includes a built-in microstepping controller and is based on unipolar constant-current PWM system. It supports application simplification and standardization by providing a built-in 4-phase distribution stepping motor controller. It supports five excitation methods of 2 phase, 1 to 2 phase, 1W 2 phase, 2W 1 to 2 phase and 4W 1 to 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.

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Phase retention even if excitation is switched

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Excitation phase state can be verified in real time using the MO1, MO2 and MOI signal output pins

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External excitation PWM drive allows a wide operating supply voltage range to be used

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Current detection resistor 0.2R built-in the hybrid IC itself

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Power MOSFETs adopted for low drive loss

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Provides a motor output drive current of IOH=3A

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25W Allowable power dissipation