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TMC2208

Low-Cost Stand-Alone Stepper Motor Driver with Step/Direction (1,2A/36V)

The TMC2208 provides an integrated motor driver solution for 3D-Printing, Cameras, Scanners and other automated equipment applications. The device has an integrated microstepping indexer, the completely noiseless current control mode stealthChop2™ and is intended to drive a bipolar stepper motor. The output driver block consists of low RDSon N-Channel power MOSFETs configured as full H-bridges to drive the motor windings. The TMC2208 is capable of driving up to 2A of current from each output (with proper heatsinking). TMC2208 is designed for a supply voltage of 5...36V. The device has a step and direction interface and can be configured with digital pins.

Pin compatible with Allegro A4988

Technical Data

Technical Data:

Motor Type: Stepper, 2-phase, bipolar
No. Axes: 1
Motor Supply: 4,75...36V
Logic Supply: 3,3...5V
Phase Current, RMS: 1,2A
Phase Current, peak: 1,7A
Microstep Resolution: 1…256
Interfaces: Step/Direction [&] UART
stallGuard2™ no
coolStep™ no
spreadCycle™ Chopper X
microPlyer™ (interpolation) 2, 4, 8, 16 to 256
stealthChop™ (no noise) stealthChop2™
dcStep™ no
passive breaking X
RDSon current sensing X
Programmable microstep table X
Package: QFN28 5x5mm
Order code: TMC2208-LA

Downloads:

TMC2208 datasheet (PDF)

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