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TMC236/A

产品描述High Current Microstep Stepper Motor Driver with protection / diagnosis and SPI Interface
文件大小192KB,共25页
制造商ETC
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TMC236/A概述

High Current Microstep Stepper Motor Driver with protection / diagnosis and SPI Interface

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TMC236/A DATA SHEET (V2.04 / Nov. 6th, 2006)
1
TMC236/A – DATA SHEET
High Current Microstep Stepper Motor Driver
with protection / diagnosis and SPI Interface
TRINAMIC
®
Motion Control GmbH & Co KG
Sternstraße 67
D – 20357 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 TMC236 / TMC236A (1) is a dual full bridge driver IC for bipolar stepper motor control
applications. It is realized in a HVCMOS technology combined with Low-RDS-ON high efficiency
MOSFETs (pat. pend.). It allows to drive a coil current of up to 1500mA even at high environment
temperatures. Its low current consumption and high efficiency together with the miniature package
make it a perfect solution for embedded motion control and for battery powered devices. The low
power dissipation makes the TMC236 an optimum choice for drives, where a high reliability is desired.
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, undervoltage
and overvoltage protection are integrated.
Control via SPI with easy-to-use 12 bit protocol or external analog / digital signals
Short circuit, overvoltage and overtemperature 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 34V motor supply voltage (A-type)
Up to 1500mA output current and more than 800mA at 105°C
3.3V or 5V operation for digital part
Low power dissipation via low RDS-ON power stage
Standby and shutdown mode available
(1) The term TMC236 in this datasheet always refers to the TMC236A and the TMC236. The major
differences in the older TMC236 are explicitly marked with “non-A-type”. The TMC236A brings a
number of enhancements and is fully backward compatible to the TMC236
Copyright © 2004, TRINAMIC Motion Control GmbH & Co KG

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