OBSOLETE PRODUCT

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

* 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