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TMC239 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers

Part No. TMC239
Description  High Current Microstep Stepper Motor Driver with protection / diagnosis and SPI Interface
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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TMC239 DATA SHEET (V1.00 / Apr. 24th, 2003)
1
Copyright © 2002, TRINAMIC Microchips GmbH
TMC 239 – DATA SHEET
High Current Microstep Stepper Motor Driver
with protection / diagnosis and SPI Interface
TRINAMIC
® Microchips GmbH
Deelbögenkamp 4C
D – 22297 Hamburg
GERMANY
T +49 - (0) 40 - 51 48 06 - 0
F +49 - (0) 40 - 51 48 06 - 60
WWW.TRINAMIC.COM
INFO@TRINAMIC.COM
Features
The TMC239 is a dual full bridge driver IC for stepper motor control applications. It is realized in a
HVCMOS technology and directly drives eight external Low-RDS-ON high efficiency MOSFETs. The
driver transistors can be chosen depending on output current or environment temperature. Its low
current consumption and high efficiency together with the miniature package make the TMC239 a
perfect solution for embedded motion control and for battery powered devices. It supports more than
3000mA coil current. With additional drivers, motor current and voltage can be increased. Internal
DACs allow microstepping as well as smart current control. The device can be controlled by a serial
interface (SPI™
i) or by analog / digital input signals. Short circuit, temperature and undervoltage
protection is integrated.
Control via SPI with easy-to-use 12 bit protocol or external analog / digital signals
Short circuit and over temperature protection integrated
Status flags for overcurrent, open load, over temperature, temperature pre-warning, undervoltage
Integrated 4 bit DACs allow up to 16 times microstepping via SPI, any resolution via analog control
Mixed decay feature for smooth motor operation
Slope control user programmable to reduce electromagnetic emissions
Chopper frequency programmable via a single capacitor or external clock
Current control allows cool motor and driver operation
Internal open load detector
7V to 30V motor supply voltage
More than 3000mA using 8 external MOS transistors
External drivers can be added for higher motor voltages and higher currents (e.g. 75V, 10A)
Only 4 external PMOS transistors required for unipolar operation
3.3V or 5V operation for digital part
Low power consumption via low RDS-ON power stage
Standby and shutdown mode available
TRINAMIC
M I C R O C H I P S


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