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MC3479P Stepper Motor Controller
Description:
- The MC3479P stepper motor driver is designed to work with two-phase stepper motors.
- Operational Modes: Allows for full-step and half-step operations. The direction can be changed using the CW/CCW input1.
- TTL/CMOS compatible inputs.
- Output Drive Capability: Can drive up to 350 mA per coil.
- Single Supply Operation: Uses a single supply voltage range of 7.2V to 16.5V.
- Integrated clamp diodes: Clamp diodes are included to decrease back EMF.
- Hysteresis Input: At least 400 mV input hysteresis.
- Phase Logic: Can be set to Phase A with an open-collector output to signify Phase A driving status.
- Package Type: 16-pin Dual In-line Package (PDIP).
- Operating temperatures range from 0°C to +70°C.
Specifications:
- Supply Voltage (VCC): 7.2V to 16.5V.
- Output Drive Current: Up to 350 mA per coil.
- Logic Input Levels:
- High (VIH): 2V (minimum)
- Low (VIL): 0.8V (maximum)
- Quiescent Supply Current (ICC):
- 8 mA typical, 16 mA maximum.
- Step Frequency: Up to 25 kHz.
- Full-Step and Half-Step Modes: Supports both modes for precise motor control.
- Integrated Clamp Diodes: Provides protection against back EMF.
- Output On-State Voltage (VOH):
- 1.8V typical at 250 mA.
- Output Off-State Current (IOH):
- 50 µA maximum.
- Operating Temperature Range: 0°C to +70°C.
- Package Type: 16-pin Dual In-line Package (PDIP).
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