TMC424-PI24 Trinamic Microchips, TMC424-PI24 Datasheet

TMC424-PI24

Manufacturer Part Number

TMC424-PI24

Description

Economic Miniature Three Axis Microstepping Stepper Motor Controller

Manufacturer

Trinamic Microchips

Datasheet

1.TMC424-PI24.pdf (56 pages)

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TMC428 DATASHEET (V. 2.00 / November 12, 2003)

TRINAMIC

Deelboegenkamp 4c

D – 22297 Hamburg

GERMANY

P +49 - (0) 40 - 51 48 06 - 0

F +49 - (0) 40 - 51 48 06 - 60

www.trinamic.com

info@trinamic.com

1 Features

The TMC428 is a miniaturized high performance stepper motor controller. It controls up to three 2-

phase stepper motors. All motors can operate independently. The TMC428 allows up to 6 bit microstep

resolution– corresponding to 64 microsteps per full step –individually selectable for each motor. Once

initialized, it performs all real time critical tasks autonomously based on target positions and velocities,

which may be altered on-the-fly. So, an inexpensive microcontroller together with the TMC428 forms a

complete motion control system. The microcontroller is free to do application specific interfacing and

high level control functions. Both, the communication with the microcontroller and with one to three

daisy chained stepper motor drivers take place via two separate 4 wire serial peripheral interfaces. The

TMC428 directly connects to SPI

SPI is Trademark of Motorola, Inc.

Controls up to three 2-phase stepper motors

Serial 4-wire interface for µC with easy-to-use protocol

Configurable interface for SPI

Different types of SPI

Communication on demand minimizes traffic to the SPI

Programmable SPI

Wide range for clock frequency – can use CPU clock up to 16 MHz

Internal 24 bit wide position counters

Full step frequencies up to 20 kHz

Read-out facility for actual motion parameters (position, velocity, acceleration) and driver status

Individual microstep resolution of {64, 32, 16, 8, 4, 2, 1} microsteps via built-in sequencer

Programmable 6 bit microstep table with up to 64 entries for a quarter sine-wave period

Built-in ramp generators for autonomous positioning and speed control

On-the-fly change of target motion parameters (like position, velocity, acceleration)

Automatic acceleration dependent current control (power boost)

Low power operation: Only 1.25 mA @ 4 MHz (typ.)

Power down mode with transparent wake-up for normal operation

3.3V or 5V operation with CMOS / TTL compatible IOs (all inputs Schmitt-Trigger)

Available in ultra small 16 pin SSOP package, 24 pin SOP package, and 20 pin DIL package

Microchips GmbH

data rates up to 1 Mbit/s

stepper motor driver chips may be mixed within a single daisy chain

Intelligent Triple Stepper Motor Controller with

TM*

smart power stepper motor drivers.

motor drivers

TMC428 – DATASHEET

stepper motor driver chain

Serial Peripheral Interfaces

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