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L297 霍尔传感器及步进机驱动IC优势分销商，只供应原装进品产品，量大可接受订货，提供技术资料及报价 0755-83283733
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【产品名称】 L297
【产品类别】 驱动IC
【产品用途】 驱动器
【产品规格】 SO20/SIP15
【生产厂家】 ST
【技术参数】 L297 规格书下载 DATESHEET
【运用范围】 运用于汽车、电动车、跑步机等方面
The L297/A/D Stepper Motor Controller IC gener-
ates four phase drive signals for two phase bipolar
and four phase unipolar step motors in microcom-
puter-controlled applications. The motor can be
driven in half step, normal and wawe drive modes
and on-chip PWM chopper circuits permit switch-
mode control of the current in the windings. A
feature of this device is that it requires only clock,
direction and mode input signals. Since the phase
are generated internally the burden on the micro-
processor,and theprogrammer, is greatly reduced.
Mounted in DIP20 and SO20 packages,the L297
can be used with monolithic bridge drives such as
the L298N or L293E, or with discrete transistors
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