TI德州仪器_TMC457_产品介绍

TI德州仪器 TMC457 产品介绍

2026-04-14 0次

说明

Highlights:

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^™

Highlights (continued):

ChopSync^™ built in for best motor velocity range with TMC24x driver
Analog high resolution motor driver control via external dual 12 bit DAC

Types of Motors:

Two phase stepper motors
PiezoMotors (direct sequencer support for PiezoMotor’s PiezoLEGS^® motor)
Any type of motor via STEP/DIR interface

特性

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

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