TMC239

量产

Stepper motor driver 7 to 34V, for external P/N-Fets with SPI Interface, 64 µSteps

数据手册 (Rev. 2.22) 产品选型表
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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概述

  • High Current up to 7A RMS using 4 Dual-MOS transistors.
  • Voltage Range 7 V to 36 V DC
  • 3.3 V or 5 V DC for digital part
  • SPI & External Analogue / Digital Signals
  • Microstep Resolution up to 64 microsteps per full step
  • Low Power Dissipation via low RDS-ON power stage
  • Protection: overvoltage, overtemperature & short circuit
  • Diagnostics: overcurrent, open load, 2 level overtemperature
  • Mixed Decay for smooth motor operation
  • Slope Control for reduced electromagnetic emissions
  • Current Control for cool motor and driver
  • Standby and Shutdown Mode

The TMC239 is a smart high current microstepping driver for bipolar stepper motors. It provides an SPI interface as well as the classical analog / digital control. A full set of protection and diagnostic features makes this device very rugged. It directly drives external MOSFETs for currents up to 6A. This way it reaches an extremely high efficiency and allows driving of a high motor current without cooling measures even at high environment temperatures. With the new chip-scale QFN package a 4A motor driver can be realized on the size of a stamp!

The high motor current makes this device ideal for miniaturized highly dynamic and high torque drive systems.

APPLICATIONS
  • Textile, Sewing Machines
  • Office Automation
  • Printer and Scanner
  • ATM
  • Cash recycler
  • POS
  • Antenna Positioning
  • Pumps and Valves
  • Lab Automation
  • Liquid Handling
  • Medical
TMC239
Stepper motor driver 7 to 34V, for external P/N-Fets with SPI Interface, 64 µSteps
tmc239a-sa tmc239-v2 tmc239a-pinout
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参考资料

数据手册 2

应用笔记 1

评估设计文件 1

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