S-shaped ramp motion controller for stepper motors and piezo motors with SPI interface

The TMC457 is a stepper and piezo motor servo controller with S-shaped ramps for laboratory automation, 3D-printing, scanners and other automated equipment applications. The device is usable as a trapezoidal ramp generator. Furthermore the TMC457 is powered by ADI Trinamic ChopSync™ technology. The device is designed for an operating voltage of 1.5V and 3.3V. The TMC457 provides a SPI controller and SPI, S/D driver interface. Additionally it has an a/b/n incremental encoder interface.

Applications:

* Medical and laboratory equipment with high-speed motion e.g., for liquid handling

* High end placement and positioning systems / High reliability drives

* Sub-micrometer positioning (piezo motors)

* Active stabilization with incremental encoder and fast PID regulator

* S-shaped and linear ramps

* On-the-fly alteration of all parameters

* 12 bit, 8192 entry microstep look-up table

* Incremental encoder interface with scaling

* Fast and stable easyPIDTM PID controller

* 32 bit registers – from mHz to MHz / from nanometer to meter

* SPI interface to microcontroller

* Reference switch & virtual stop switches

* Step / direction output

* Position pulse output

* Scalable step / direction input

* Direct interface TMC246/TMC249 family stepper motor drivers w.StallGuard™