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TMC239-SA

更新时间： 2024-11-21 07:04:39
品牌 Logo 应用领域
其他 - ETC 驱动器电机
页数 文件大小 规格书
21页 155K
描述
High Current Microstep Stepper Motor Driver with protection / diagnosis and SPI Interface

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TMC239-SA 数据手册

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TMC239 DATA SHEET (V1.00 / Apr. 24th, 2003)  
1
TMC 239 – DATA SHEET  
High Current Microstep Stepper Motor Driver  
with protection / diagnosis and SPI Interface  
TRINAMIC  
M I C R O C H I P S  
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.  
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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  
Copyright © 2002, TRINAMIC Microchips GmbH  
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