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L297-Stepper Motor Controller

L297-Stepper Motor Controller

L297-Stepper Motor Controller

The L297 Stepper Motor Controller is primarily intended for use with anL298Nor L293Ebridge driver in stepper motor driving applications. It receives control signals from the system’s controller, usually a microcomputer chip, and provides all the necessary drive signals for the power stage. Additionally, it includes two PWM chopper circuits to regulate the current in the motor windings.

With a suitable power actuator the L297 drives two phase bipolar permanent magnet motors, four phase uni-polar permanent magnet motors and four phase variable reluctance motors. Moreover, it handles normal, wave drive and half step drive modes. (This is all explained in the section ”Stepper Motor Basics”).

Two versions of the device are available: the regular L297 and a special version called L297A. The L297A incorporates a step pulse doubler and is designed specifically for floppy-disk head positioning applications.



• Motor Type: Stepper
• No. of Outputs: 2
• Output Current: 10mA
• Output Voltage: 3.9V
• Supply Voltage Range: 4.75V to 7V
• Driver Case Style: DIP
• No. of Pins: 20
• Operating Temperature Range: -40°C to +150°C
• SVHC: No SVHC (19-Dec-2011)
• Base Number: 297
• Controller Type: Motor
• Device Marking: L297/1
• Drive Configuration: 4 Phase
• IC Generic Number: 297
• Logic Function Number: 297
• Operating Temperature Max: 150°C
• Operating Temperature Min: -40°C
• Package / Case: DIP
• Supply Voltage Max: 7V
• Supply Voltage Min: 4.75V
• Termination Type: Through Hole

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  • Product Code: L297-Stepper Motor Controller
  • Availability: 3
  • Rs95.00


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Tags: l297-stepper motor controller, l297, stepper, motor, controller, semiconductor, ic, interface, driver, contrl

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