TMC260A

POWER DRIVER FOR STEPPER MOTORS INTEGRATED CIRCUITS TMC260 / TMC260A & TMC261 DATASHEET Universal, cost-effective stepper drivers for two-phase bipolar motors with state-of-the-art features. Integrated MOSFETs for up to 2 A motor currents per coil. With Step/Dir Interface and SPI. FEATURES AND BENEFITS Drive Capability up to 2A motor current Highest Voltage up to 60V DC (TMC261) or 40V DC (TMC260) *) Highest Resolution up to 256 microsteps per full step Compact Size 10x10mm QFP-44 package Low Power Dissipation, 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 BLOCK DIAGRAM ...