Step/Dir Drivers for Two-Phase Bipolar Stepper Motors up to 2.8A peak – StealthChop for Quiet Movement – UART Interface Option – Sensorless Stall Detection StallGuard4
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POWER DRIVER FOR STEPPER MOTORS. INTEGRATED CIRCUITS. TMC2226 Datasheet
POWER DRIVER FOR STEPPER MOTORSINTEGRATED CIRCUITSTMC2226 DatasheetStep/Dir Drivers for Two-Phase Bipolar Stepper Motors up to 2.8A peak – StealthChop™ forQuietMovement – UART Interface Option – Sensorless Stall Detection StallGuard4.APPLICATIONS Compatible Design Upgrade 3D Printers Printers, POS Office and home automation Textile, Sewing Machines CCTV, Security ATM, Cash recycler HVAC Battery Operated Equipment 4FEATURES AND BENEFITSDESCRIPTION2-phase stepper motors up to 2.8A coil current (peak), 2A RMS The TMC2226 is an ultra-silent motor driver STEP/DIR Interface with 8, 16, 32 or 64 microstep pin setting IC for two phase stepper motors. TRINAMICs sophisticated StealthChop2 chopper ensures Smooth Running 256 microsteps by MicroPlyer™ interpolation noiseless operation, maximum efficiency StealthChop2™ silent motor operation and best motor torque. Its fast current SpreadCycle™ highly dynamic motor control chopper regulation and optional combination with StallGuard4™ load and stall detection for StealthChop SpreadCycle allow highly dynamic motion while adding. StallGuard for sensorless CoolStep™ current control for energy savings up to 75% homing. The integrated power MOSFETs Low RDSon, Low Heat-Up LS 170mΩ & HS 170mΩ (typ. at 25°C) handle motor currents up to 2A RMS with Voltage Range 4.75… 29V DC protection and diagnostic features for robust and reliable operation. A simple to use UART Low Power Standby to fit standby energy regulations Internal Sense Resistor option interface opens up tuning and control (no sense resistors required) options. Store application tuning to OTP Passive Braking , Freewheeling, and automatic power down memory. Industries’ most advanced Single Wire UART & OTP for advanced configuration options STEP/DIR stepper motor driver family Integrated Pulse Generator for standalone motion upgrades designs to noiseless and most precise operation for cost-effective and Full Protection & Diagnostics highly competitive solutions. Thermally optimized HTSSOP package for optical inspection BLOCK DIAGRAM TRINAMIC Motion Control GmbH & Co. KG Hamburg, Germany