TRINAMIC TMC32NPX-EVAL

INTERFAC E C O N T R O L L E R
I N T E G R A T E D C I R C U ITS
TM C 4 01
Step / Direc tion
to SP I conver ter
M A IN CH A R AC T ER IS T IC S
INFO
The TMC401 converts step/direction signals into SPI datagrams
• step / directon signal to SPI converter
that can be used to drive a TMC236, TMC239, TMC246 or TMC249
• allow step-/direction control for TMC236,
TMC246, TMC239, TMC249 drivers
stepper motor driver chip directly. It provides five different
• outputs for stallGuard™ value and driver
OTPW flag
microstep resolutions (from 1/32 to 1/2) as well as two full step
resolution modes. The stallGuard™ bits of a TMC246 or TMC249
• resolution control from fullstep
up to 1/32 microsteps
motor driver are output on three pins, in order to allow an easy
usage of the stallGuard™ feature. Also the overtemperature
• optional power down control
pre-warning bit is output on one extra pin (and can be used to
• mixed decay selectable
shut off the driver when there is an overtemperature pre-warnINTERFACE
ing condition).
• step-/direction input up to 245kHz
• SPI output
The TMC401 also provides a feature that reduces the motor current
to 25% when there have not been any step pulses for at least
one second. This features can be enabled or disabled. Mixed
ELECTRICAL
DATA
• 5V supply
• 5V CMOS / TTL compatible IOs
PACKAGE
Decay can also be enabled or disabled using a dedicated pin.
• TQFP32 package
• RoHS compliant
The evaluation board contains the TMC401 and different driver
configurations of the TMC249 wit external MOSFETs.
+5V DC
Step/Dir
TMC401
Power Down feature
Sequencer
Mixed Decay
µStep resolution
StallGuard
Driver
e.g. TMC246
3
3
Valid
Error
Temperatur prewarning
StallGuard
and
Error Bit
Decoder
serial
Driver
interface
Step
Motor
10 m m
SPI
to driver
Disable
OR DE R C O DE
D E S C RI P T I ON
TMC401-PI
Step / direction to SPI converter in TQFP-32 package
TMC32NPx-EVAL
Evaluation board for TMC401-PI, TMC249A-LA & TMC32NP-MLP,
TMC249A-SA & TMC32NP2-SM8 and TMC249A-LA & TMC34NP-PSO
www.trinamic.com – for detailed information and datasheets
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