The L297 Stepper Motor Controller IC generates four-phase drive signals for two-phase bipolar and four-phase unipolar step motors in microcontroller-controlled applications. The motor can be driven in half step, normal and wave-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 microprocessor, and the programmer, is greatly reduced. Mounted in the DIP20 package, the L297 can be used with monolithic bridge drives such as the L298N or L293E, or with discrete transistors and Darlingtons.
Applications:
- Half/Full Step Modes
- Clockwise/Anticlockwise
- Direction Switchmode Load Current Regulation
- Programmable Load Current
- Enable Input
Features:
- Motor Type: Stepper
- No. of Outputs: 2
- Output Current: 80mA
- 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
- Controller Type: Motor
- Device Marking: L297
- Drive Configuration: 4 Phase
