TMC428A-EVAL TRINAMIC [TRINAMIC Motion Control GmbH & Co. KG.], TMC428A-EVAL Datasheet

TMC428A-EVAL

Manufacturer Part Number

TMC428A-EVAL

Description

Microstep Driver for up to 1.5A

Manufacturer

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

Datasheet

1.TMC428A-EVAL.pdf (1 pages)

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I N F O

POWER DR I V E R F O R S T E P P E R M O T O R S

The TMC236 is a smart power microstepping driver for bipolar

stepper motors. It provides an SPI™ interface as well as the

classical analog / digital control. A full set of protection and diag-

nostic features makes this device very rugged. The integrated

low-RDS-ON TrenchFET® power MOSFETs give an extremely high

efficiency and allow driving of a high motor current of up to

1.5A per phase without cooling measures even at high environ-

ment temperatures.

The small footprint and high efficiency make the device a per-

fect solution for embedded motion control and even for battery

powered designs.

The evaluation can be done with the TMC246, as the only differ-

ence is the additional stallGuard™ feature.

www.trinamic.com – for detailed information and datasheets

ERROR

3.3 / 5V DC

7..34V DC

IN A

IN B

SPI

O RD E R C O D E

TMC236A-PA

TMC428A-EVAL

C/CLK

OSC

DACs

4 bit

TMC236

Diagnostics

Temp / Volt

protection

Control

D E S C R I P TI O N

1.5A driver, PQFP-44

Evaluation board for TMC428, TMC246A and TMC249A with stallGuard™

PWM control

Gate Driver

Coil A

Coil B

monitoring

Current

internal

Driver

Stage

Driver

Stage

Motor

Step

EL EC TR IC AL

1 0 mm

IN TE RF AC E

PA CK AG E

D AT A

•

T MC

M ic ro s te p D ri v er f o r

up t o 1 .5 A

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

full protection and diagnostics

low power dissipation

16 times microstepping via SPI,

64 times using additional shift register,

even more via analog control

mixed decay for smooth operation

programmable slope control for low EME

internal or external chopper clock

standby and shutdown mode

easy-to-use SPI™ interface

classical analog interface

up to 1500 mA coil current (peak)

7V to 34V motor supply (TMC236A)

3.3V or 5V operation for digital part

standard PQFP-44 package

RoHS compliant

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

2 3 6

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