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TMC249-SA

更新时间： 2024-01-28 09:11:34
品牌 Logo 应用领域
其他 - ETC 驱动器传感器电机
页数 文件大小 规格书
25页 206K
描述
High Current Microstep Stepper Motor Driver with sensorless stall detection, protection / diagnostics and SPI Interface

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TMC249-SA 技术参数

是否Rohs认证： 符合生命周期：Contact Manufacturer
包装说明：SOP, SOP28,.4Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.74
JESD-30 代码：R-PDSO-G28JESD-609代码：e3
湿度敏感等级：2端子数量：28
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP28,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE电源：3.3/5,7/30 V
认证状态：Not Qualified子类别：Motion Control Electronics
最大供电电流 (Isup)：1.35 mA表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
Base Number Matches：1

TMC249-SA 数据手册

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TMC249 / TMC249A DATA SHEET (V2.02 / Aug 12th, 2005)  
1
TMC 249/A – DATA SHEET  
High Current Microstep Stepper Motor Driver  
with sensorless stall detection, protection /  
diagnostics 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 TMC249 / TMC249A (1) is a dual full bridge driver IC for bipolar stepper motor control  
applications. The TMC249 is realized in a HVCMOS technology and directly drives eight external Low-  
RDS-ON high efficiency MOSFETs. It supports more than 4000mA coil current. The low power  
dissipation makes the TMC249 an optimum choice for drives, where a high reliability is desired. With  
additional drivers, motor current and voltage can be increased. The integrated unique sensorless stall  
detection (pat. pend.) StallGuard™ makes it a good choice for applications, where a reference point is  
needed, but where a switch is not desired. Its ability to predict an overload makes the TMC249 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.  
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More than 4000mA using 8 external MOS transistors (e.g. 2.8A RMS)  
Sensorless stall detection StallGuard and load measurement 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  
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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  
7V to 34V motor supply voltage (A-type)  
External drivers can be added for higher motor voltages and higher currents (e.g. 50V, 5A)  
3.3V or 5V operation for digital part  
Low power dissipation via low RDS-ON power stage  
Standby and shutdown mode available  
Choice of SO28 or chip size MLF package  
(1) The term TMC249 in this datasheet always refers to the TMC249A and the TMC249. The major  
differences in the older TMC249 are explicitly marked with “non-A-type”. The TMC249A brings a  
number of enhancements and is fully backward compatible to the TMC249.  
Copyright © 2005, TRINAMIC Motion Control GmbH & Co KG  
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