TMC457 TRINAMIC [TRINAMIC Motion Control GmbH & Co. KG.], TMC457 Datasheet

TMC457

Manufacturer Part Number

TMC457

Description

Manufacturer

TRINAMIC [TRINAMIC Motion Control GmbH & Co. KG.]

Datasheet

1.TMC457.pdf (1 pages)

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I N F O

MOTION C O N T R O L L E R F O R S T E P P E R A N D P I E Z O M O T O R S

The TMC457 is a high-end single axis micro stepping motion

controller for 2-phase bipolar stepper motors, piezo motors

(Piezo LEGS®). Via step / direction interface 3-phase stepper

motors can also be controlled (requires additional TMC332). It

adds to any microcontroller or processor with SPI interface. It is

intended for applications, where a precise and fast, jerk-free mo-

tion profile is desired. The TMC457 supports linear and S-shaped

velocity ramps. It’s chopSync™ feature allows high speed

movement avoiding resonances.

An encoder can be added for extremely quick and precise posi-

tioning using the internal hardware PID regulator easyPID™ and

for increased reliability / fault detection.

For maximum flexibility all motion control parameters (target

position, target velocity, acceleration, deceleration and bow) can

be changed on-the-fly at any time during motion.

www.trinamic.com – for detailed information and datasheets

Host CPU SPI

Interface

Optional Step/

Dir Input

Stop /

Reference

Switches

Optional

Incremental

Encoder

O RD E R C O D E

TMC457-BC

Related product:

TMC457-Eval

POSCOMP

STEP_IN

ENABLE

STOPR

DIR_IN

STOPL

ENC_A

ENC_B

ENC_N

NSCS

SDO

NINT

RES

CLK

SCK

SDI

RES

processing

STEP DIR

Stop input

interface

Interrupt

compare

Prescaler

switches

SPI bus

Position

& virtual

control

stop

CLK

Interface

Section

control &

Block

status

one capacitor

per supply pin

target

D E S CR I P T I O N

1-axis motion controller with encoder feedback, FBGA144 package

Evaluation board for TMC457

quadrature

generator

Trapezoid

generator

S-Ramp

decoder

Ramp

Motion profile

generation

Encoder

100n

PID

generator

controller

Position

Counter

easyPID

Encoder

Scaler &

Counter

Pulse

PID

Microstep

8192*12

RAM

Sequencer

generator

sequencer

stepper &

ChopSync

TMC24x

interface

Output

2 phase

Pulse

piezo

STEP/

TMC457

SPI

DIR

STEP_OUT

DIR_OUT

XSTEP_OUT

HIRES_OUT

STDBY_OUT

PHA

PHB

NCS_DAC

SCK_DAC

SDO_DAC_A

SDO_DAC_B

NCS_DRV

SCK_DRV

PZO_EN

SDO_DRV

SDI_DRV

NANA_SPI

ChopClk

Step/Dir Output

Classic stepper

driver

Analog control of

Stepper / Piezo

via DAC

(LTC2622)

TMC246 /

TMC249 stepper

driver

synchronized

chopper clock

E LE CT RI CA L

IN TE RF AC E

P AC KA GE

10 mm

DA T A

•

TM C

St ep p er an d P ie zo Mo to r

C o nt r ol le r ( S- s ha pe Ra m ps)

w i th En co d er I n te rf a ce ,

e a sy P ID ™ F ee db a ck C o nt r ol

a n d I nt eg r at ed Se qu e nc e r

M A IN CH A R AC T ER IS T IC S

S-shaped and linear ramps with on-the-fly

alteration of all parameters

programmable high resolution sequencer

with (12bit, 8192 entry) micro step LUT table

integrated sequencer

incr. encoder interface with flexible up- and

down scaling to match drive resolution

fast and stable easyPID™ PID controller

32 bit registers “from mHz to MHz”

reference switch processing

virtual stop sw. (programmable soft limits)

position pulse output to trigger ext. events

synchronization of multiple axis via step/di-

rection input

integrated chopSync™ for high velocities

analog high resolution motor driver control

via external dual -low cost- 12 bit DAC

energy saving by automatic load angle

dependent current control

3.3V IO/ 1.5V core

SPI interface to microcontroller

step / direction output (with progr. timing)

stallGuard™ interface for TMC246/TMC249

family stepper motor drivers

FBGA144 package 13 x 13 mm²

RoHS compliant

I N TE G R A T ED C I R C UITS

4 5 7

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