TMC2209

POWER DRIVER FOR STEPPER MOTORS INTEGRATED CIRCUITS TMC2209 Datasheet 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. 4 FEATURES AND BENEFITS 2-phase stepper motors up to 2.8A coil current (peak), 2A RMS STEP/DIR Interface with 8, 16, 32 or 64 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… 29V DC Low Power Standby to fit standby energy regulations 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 Compact QFN package with large heat slug BLOCK DIAGRAM APPLICATIONS Compatible Design Upgrade 3D Printers Printers, POS Office and home automation Textile, Sewing Machines CCTV, Security ATM, Cash recycler HVAC Battery Operated Equipment DESCRIPTION The TMC2209 is an ultra-silent motor driver IC for two phase stepper motors. TMC2209 pinning is similar to a number of legacy drivers as well as to the TMC2208. TRINAMICs sophisticated StealthChop2 chopper ensure...