TMC261

推荐用于新设计

Stepper motor driver 5 to 60V, up to 1.4A with S/D and SPI Interface, 256 µSteps, CoolStep, StallGuard2 and SpreadCycle

数据手册 (Rev. 1.03) 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

  • Drive Capability up to 2A motor current
  • Highest Voltage 5V to 60V (TMC261) or 5V to 40V (TMC260)
  • Highest Resolution up to 256 microsteps per full step
  • Compact Size 10x10mm QFP-44 package
  • Low Power Dissipation low RDSON & sync. rectification
  • EMI-optimized programmable slope, no charge pump
  • Protection & Diagnostics short to GND, overtemperature & undervoltage, overcurrent and short to V
  • StallGuard2™ high precision sensorless motor load detection
  • CoolStep™ load dependent current control saves up to 75%
  • MicroPlyer™ 256 microstep smoothness with 1/16 step input.
  • SpreadCycle™ high-precision chopper for best current sine wave form and zero crossing
  • Improved Silent Motor operation
  • Stand Alone option

The TMC261 is the first energy efficient high current high precision microstepping driver IC for bipolar stepper motors. The unique high resolution sensorless load detection StallGuard2™ is used to for the world’s first integrated load dependent current control feature called CoolStep™. The ability to read out the load and detect an overload makes TMC261 an optimum choice for drives where a high reliability is desired at a low cost. The new patented spreadCycle PWM mixed decay chopper scheme ensures best zero crossing performance as well as high speed operation. TMC261 can be driven with Step & Direction signals as well as by serial SPI interface. Using the microPlyer allows to operate the motor with highest 256 µStep smoothness reducing the input frequency to 16 µSteps. A full set of protection and diagnostic features makes this device very rugged. It directly drives stepper motors with up to 2A. This way it reaches highest energy efficiency and allows driving of a high motor current without cooling measures even at high environment temperatures.

Applications

  • Textile, Sewing Machines
  • Factory Automation
  • Lab Automation
  • Liquid Handling
  • Medical
  • Office Automation
  • Printer and Scanner
  • CCTV, Security
  • ATM, Cash recycler
  • POS
  • Pumps and Valves
  • Heliostat Controller
  • CNC Machines
TMC261
Stepper motor driver 5 to 60V, up to 1.4A with S/D and SPI Interface, 256 µSteps, CoolStep, StallGuard2 and SpreadCycle
tmc261 tmc261-v2 tmc261c-pa
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参考资料

数据手册 1

应用笔记 4

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工具及仿真模型

设计工具 1

评估套件

eval board
schematic 1
TMC261-BOB

Evaluation Board for TMC261

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特性和优点

  • TMC261-PA stepper power driver
  • Supply voltage 9-48V (60V max), Iphase, RMS up to 1.4A
  • Configuration via SPI, control via step/direction
  • Optional cooling from bottom side
  • Optional electrolyte cap at supply rail
  • Board width 1.5", board height 1.0"
  • 2x10 pin 0.1" header rows for pins/connectors
  • StallGuard2™
  • CoolStep™
  • SpreadCycle™
  • MicroPlyer™
  • 1 to 256 Microsteps

产品详情

The TMC261 breakout board is a development board with the dedicated TMC261-PA chip. It is designed to give users the chance to rapidly prototype their applications - making it possible to immediately check how the motor performs with TMC chips while developing the application's software.
TMC261-BOB
Evaluation Board for TMC261
tmc261-bob

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