TMC2209_Datasheet_.pdf下载

ATIONS Compatible Design Upgrade 3D Printers Printers, POS Office and home automation Textile, Sewing Machines CCTV, Security ATM, Cash recycler HVAC Battery Operated Equipment FEATURES AND BENEFITS 2-phase stepper motors up to 2.8A coil current (peak), 2A RMS STEP/DIR Interface with 4, 8, 16 or 32 microstep pin setting Smooth Running 256 microsteps by MicroPlyer™ interpolation StealthChop2™ silent motor operation SpreadCycle™ highly dynamic motor control chopper StallGuard4™ load and stall detection for StealthChop CoolStep™ current control for energy savings up to 75% Low RDSon, Low Heat-Up LS 170mΩ & HS 170mΩ (typ. at 25°C) Voltage Range 4.75… 28V DC Low Power Standby to fit EUP or for battery operation Internal Sense Resistor option (no sense resistors required) Passive Braking, Freewheeling, and automatic power down Single Wire UART & OTP for advanced configuration options Integrated Pulse Generator for standalone motion Full Protection & Diagnostics Choice of QFN and HTSSOP package for best fit DESCRIPTION The TMC2209 and TMC2226 are ultra-silent motor driver ICs for two phase stepper motors. TMC2209 pinning is compatible to a number of legacy drivers as well as to the TMC2208. TRINAMICs sophisticated StealthChop2 chopper ensures noiseless operation, maximum efficiency and best motor torque. Its fast current regulation and optional combination with SpreadCycle allow highly dynamic motion while adding. StallGuard for sensorless homing. The integrated power MOSFETs handle motor currents up to 2A RMS with protection and diagnostic features for robust and reliable operation. A simple to use UART interface opens up tuning and control options. Store application tuning to OTP memory. Industries’ most advanced STEP/DIR stepper motor driver family upgrades designs to noiseless and most precise operation for cost-effective and highly competitive solutions. Step/Dir Drivers for Two-Phase Bipolar Stepper Motors up to 2.8A peak – StealthChop™ for Quiet Movement – UART Interface Option – Sensorless Stall