TMC389
OBSOLETE PRODUCT
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Part Details
Highlights
- Up to 171 microsteps (256 sine wave steps) using step/direction interface or 20 Bit SPI™ interface
- High precision sensorless motor load measurement stallGuard2
- Energy efficiency and coolness by automatic load dependant motor current regulation coolStep™: Save up to 75% of energy!
- Internal microstep extrapolation allows 256 wave step smoothness with low frequency step input
- Dual edge step option allows half step frequency requirement, e.g., for opto-couplers
- Up to 8A Motor current using external N&P channel MOSFET pairs
- Synchronous rectification reduces transistor heating
- 9V to 60V operating voltage (peak)
- 3.3V or 5V interface
- QFN32 package for extremely small solution with superior thermal performance
- EMV optimized current controlled gate drivers – up to 45mA gate current
- Overcurrent, short to GND and overtemperature protection and diagnostics integrated
- Synchronous rectification reduces transistor heating
- 9V to 60V operating voltage (peak)
- 3.3V or 5V interface
- QFN32 package for extremely small solution with superior thermal performance
- EMV optimized current controlled gate drivers – up to 45mA gate current
- Overcurrent, short to GND and overtemperature protection and diagnostics integrated
- 3 phase Stepper
The TMC389 is an integrated 3-phase stepper motor predriver solution for Laboratory Automation, 3D-Printing, Scanners and other automated equipment applications. The device is capable of driving up to a gate current of 40mA and is powered by Trinamic StallGuard2™, CoolStep™, SpreadCycle™, MicroPlyer™ technology. TMC389 is designed for a supply voltage of 9 to 60V. The device provides a SPI and S/D interface.
APPLICATIONS- Precision three phase stepper motor drives
- Stage lighting
- Medical applications
- Optical applications
- Robotics
Documentation
This is the most up-to-date revision of the Data Sheet.
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