|
TMC26X芯片可以算得上业界功能最强的驱动芯片,将很大提升步进电机性能。包括在最高速度,丢步检测,热量控制,微步控制等等。TMC2660集成预驱动器和功率MOSFET管,预驱动部分可以实时计算电机线圈电流,功率MOSFET将电流放大驱动电机。由于峰值输出电流达4安培,TMC2660可以驱动如NEMA23这样大尺寸的电机。TMC2660与目前热门的TMC260/261引脚软件兼容。TMC260/261一般用于支持NEMA17电机的运作。FEATURES AND BENEFITS
- Drive Capability up to 4A motor current
- Voltage up to 30V DC
- Highest Resolution up to 256 microsteps per full step
- Compact Size 10x10mm QFP-44 package
- Low Power Dissipation, very low RDSON & synchronous rectification
- EMI-optimized programmable slope
- 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
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
|
|