POWER DRIVER FOR STEPPER MOTORS INTEGRATED CIRCUITS TMC2226 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. APPLICATIONS Compatible Design Upgrade 3D Printers Printers, POS Office and home automation Textile, Sewing Machines CCTV, Security ATM, Cash recycler HVAC Battery Operated Equipment 4 FEATURES AND BENEFITS DESCRIPTION 2-phase stepper motors up to 2.8A coil current (peak), 2A RMS The TMC2226 is an ultra-silent motor driver IC for two phase stepper motors. TRINAMICs STEP/DIR Interface with 8, 16, 32 or 64 microstep pin setting 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 regulation and optional combination with SpreadCycle highly dynamic motor control chopper SpreadCycle allow highly dynamic motion StallGuard4 load and stall detection for StealthChop 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 170m & HS 170m (typ. at 25C) handle motor currents up to 2A RMS with protection and diagnostic features for robust Voltage Range 4.75 29V DC and reliable operation. A simple to use UART Low Power Standby to fit standby energy regulations interface opens up tuning and control Internal Sense Resistor option (no sense resistors required) options. Store application tuning to OTP Passive Braking, Freewheeling, and automatic power down memory. Industries most advanced STEP/DIR stepper motor driver family Single Wire UART & OTP for advanced configuration options upgrades designs to noiseless and most Integrated Pulse Generator for standalone motion 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 TMC2226 DATASHEET (Rev. 1.09 / 2022-MAY-25) 2 APPLICATION EXAMPLES: SIMPLE SOLUTIONS HIGHLY EFFECTIVE The TMC22xx family scores with power density, integrated power MOSFETs, smooth and quiet operation, and a congenial simplicity. The TMC2226 covers a wide spectrum of applications from battery systems to embedded applications with up to 2A motor current per coil. TRINAMICs unique chopper modes SpreadCycle and StealthChop2 optimize drive performance. StealthChop reduces motor noise to the point of silence at low velocities. Standby current reduction keeps costs for power dissipation and cooling down. Extensive support enables rapid design cycles and fast time-to-market with competitive products. STANDALONE REPLACEMENT FOR LEGACY STEPPER DRIVER In this example, configuration is hard 0A+ wired via pins. Software based motion S/D N control generates STEP and DIR S TMC22xx 0A- ERROR, INDEX (direction) signals, INDEX and ERROR 0B+ signals report back status information. 0B- UART INTERFACE FOR FULL DIAGNOSTICS AND CONTROL A CPU operates the driver via step and direction signals. It accesses diagnostic 0A+ S/D N information and configures the High-Level S CPU UART TMC22xx 0A- Interface TMC2226 via the UART interface. The CPU 0B+ manages motion control and the 0B- TMC2226 drives the motor and smoo- Sense Resistors may be omitted thens and optimizes drive performance. The TMC2226-EVAL is part of TRINAMICs universal evaluation board system which provides a convenient handling of the hardware as well as a user- friendly software tool for evaluation. The TMC2226 evaluation board system consists of three parts: STARTRAMPE (base board), ESELSBRCKE (connector board with several test points and stand-alone settings), and TMC2226- EVAL. ORDER CODES 2 Size mm Order code Description TMC2226-SA Stepper Motor Driver IC, 4.75-29V Supply, 2A, HTSSOP28, Tray 9.7 x 6.4 TMC2226-SA-T Stepper Motor Driver IC, 4.75-29V Supply, 2A, HTSSOP28, Tape & Reel 9.7 x 6.4 TMC2226-EVAL- Full Evaluation Kit for TMC2226 126 x 85 KIT TMC2226-EVAL Evaluation Board for TMC2226 (excl. Landungsbrcke and Eselsbrcke) 85 x 55 TMC2226-BOB Breakout Board with TMC2226 25 x 25 www.trinamic.com