POWER DR I V E R F O R S T E P P E R M O T O R S
I N T E G R A T E D C I R C U ITS
TMC 2 36
Micr oste p Dr iver for
up to 1.5A
M A IN CH A R AC T ER IS T IC S
INFO
The TMC236 is a smart power microstepping driver for bipolar
• full protection and diagnostics
stepper motors. It provides an SPI™ interface as well as the
• low power dissipation
classical analog /digital control. A full set of protection and diag-
• 16 times microstepping via SPI,
64 times using additional shift register,
even more via analog control
nostic features makes this device very rugged. The integrated
low-RDS-ON TrenchFET® power MOSFETs give an extremely high
• mixed decay for smooth operation
efficiency and allow driving of a high motor current of up to
• programmable slope control for low EME
1.5A per phase without cooling measures even at high environ-
• internal or external chopper clock
ment temperatures.
• standby and shutdown mode
The small footprint and high efficiency make the device a perINTERFACE
fect solution for embedded motion control and even for battery
• classical analog interface
powered designs.
The evaluation can be done with the TMC246, as the only differ-
• easy-to-use SPI™ interface
ELECTRICAL
DATA
• up to 1500 mA coil current (peak)
• 7V to 34V motor supply (TMC236A)
ence is the additional stallGuard™ feature.
• 3.3V or 5V operation for digital part
PACKAGE
• standard PQFP-44 package
• RoHS compliant
C/CLK
IN A
IN B
TMC236
OSC
2x
4 bit
DACs
SPI
PWM control
&
Gate Driver
Control
&
Diagnostics
7..34V DC
Current
monitoring
PWM control
&
Gate Driver
ERROR
3.3 / 5V DC
internal
Driver
Stage
Coil A
Temp / Volt
protection
Coil B
10 mm
Step
Motor
internal
Driver
Stage
OR DE R C O DE
D E S C RI P T I ON
TMC236A-PA
1.5A driver, PQFP-44
TMC428A-EVAL
Evaluation board for TMC428, TMC246A and TMC249A with stallGuard™
www.trinamic.com – for detailed information and datasheets
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