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说明
- 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
- Protection & Diagnostics overcurrent, short to GND, overtemperature & undervoltage
- EMI-optimized programmable slope
- 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
特性
The TMC2660 provides an integrated motor driver solution for Laboratory Automation, 3D-Printing, Scanners and other automated equipment applications. The device has an integrated microstepping indexer, the sensorless stall detection technology StallGuard2™ and the sensorless load dependent current control CoolStep™ and is intended to drive a bipolar stepper motor. The output driver block consists of low RDSon TrenchFET power MOSFETs configured as full H-bridges to drive the motor windings. The TMC2660 is capable of driving up to 4A of current from each output (with proper heatsinking). TMC2660 is designed for a supply voltage of 9 to 30V. The device has a SPI interface for configuration and diagnostics and a step and direction interface.
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
