For StepStick and Pololu A4988 compatible hardware. Drive capability up to 1.7A () continuous coil current -2.8A Step/Dir interface with microstep interpolation (up to 256 microsteps). Configure via CFG pin or UART interface. stealthChop2 - for silent operation and smooth movement. Extended period - high dynamic motor control chopper (available via UART, OTP, CFG pinsEnable). coolStep - current control to save energy. Stall Guard4 - sensorless motor load detection. TMC2209 is an ultra-quiet motor driver IC for two-phase stepper motors. The TMC2209 is pin-compatible with many traditional drivers and the TMC2208. TRINAMIC's advanced StealthChop2 chopper ensures noise-free operation of the motor, achieving high efficiency and motor torque. Its combination of fast current regulation and resonance damping function can achieve high dynamic movement. StallGuard is used to return to the origin without a sensor to prevent stalling. The built-in power MOSFET can handle motor currents up to 2A, with protection and diagnostic functions, and stable and reliable operation. An easy-to-use UART interface opens up adjustment and control options. Store application adjustments in OTP memory. The drive can be set for noise-free operation and very precise operation through a separate pulse direction, achieving a cost-effective and highly competitive solution. Color: Blue+white Material: plastic Size: 2.01x1.51cm Package contents: 5 x TMC2209 V3.0 5 x heatsink Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.