TRINAMIC TMC262两相步进马达驱动方案

TRINAMIC公司的TMC262是两相步进马达驱动器,具有业界一流的特性,包括高分辨率的微步距,无传感器机械负载测量,负载自适应的功率优化,低谐振斩波工作,标准的 PI和STEP/DIR接口简化了通信.TMC262能驱动四个外接N沟和P沟双MOSFET,马达电流高达8A和60V,主要用在缝纫机,工厂自动化,打印机与扫描仪,办公自动化,医疗设备,液体处理,ATM和POS等.本文介绍了TMC262主要特性和优势,方框图,应用方框图和高压大电流功率级电路图以及评估板TMC262–EVAL主要特性,应用框图,电路图和PCB元件布局图.
The TMC262 driver for two-phase stepper motors offers an industry-leading feature set, including high-resolution microstepping, sensorless mechanical load measurement, load-adaptive power optimization, and low-resonance chopper operation. Standard SPI™ and STEP/DIR interfaces simplify communication. The TMC262 drives four external N- and Pchannel dual MOSFETs for motor currents up to 8A and up to 60V. Integrated protection and diagnostic features support robust and reliable operation.
High integration, high energy efficiency and small form factor enable miniaturized designs with low external component count for cost-effective and highly competitive solutions.
TMC262主要特性和优势:
High Current up to 8A Motor current using external (N&P) MOSFETs.
Highest Voltage up to 60V DC operating voltage
Highest Resolution up to 256 microsteps per full step
Smallest Size 5x5mm QFN32 package
Low Power Dissipation synchronous rectification
EMI-optimized slope & current controlled gate drivers
Protection & Diagnostics overcurrent, short to GND, overtemperature & undervoltage
stallGuard2™ high precision sensorless motor load detection
coolStep™ load dependent current control for energy savings up to 75%
microPlyer™ microstep interpolation for increased smoothness with coarse step inputs.
spreadCycle™ high-precision chopper for best current sine wave form and zero crossing
TMC262应用:
Textile, Sewing Machines
Factory Automation
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