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A stepper motor, 4-wire, bipolar,...
MOT-STEP-200-20x30
A stepper motor, 4-wire, bipolar, 1.8° per step, 200 steps, 3.9V, 0.6A/Phase.
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[T] - Stepper motor, 200 steps, 20x30mm
A stepper motor, 4-wire, bipolar, 1.8° per step, 200 steps, 3.9V, 0.6A/Phase.
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This hybrid bipolar stepper motor has two very interesting points:
Each phase consumes 600mA at 3.9V offering a torque of 0.017N-m (180 gr-cm). The motor is equipped with 4 wires with color coding, black + green connected on a coil, blue + red on the other coil. It's possible to control this motor using H-bridge but we recommend the use of a stepper motor controller (ex: StepStick A4988).
To fix ideas concerning the couple:
1 newton-meter is equal to 100 N-cm, or 10.1971621298 kg-cm (the force exerted by a weight of 10Kg at the end of an arm of 1 cm).
Stepper motors are used in many applications where precise positioning is desirable but without having to support the additional cost and complexity of a positioning system by enslavement. Here are some applications where stepper motors intervene:
As indicated above, it's possible to order this motor with the DRV4988. If you pay attention to the minimum voltage of the DRV4988, you will find that its minimum voltage is higher than the 3.9V necessary for the motor. The minimum voltage of a DRV4988 is 8 Volts. This is not a problem, you can use a supply voltage higher than 3.9V as long as the current limitation of the DRV4988 is set correctly so as not to exceed 600mA.
If you, for whatever reason, need to keep the motor power below 8 volts, you can use the DRV8834 specially designed for low voltage applications.