Features 1、3.0A CURRENT: S2210 driver module is chip TMC2210 designed for supply voltage 4.5 to 36V, its maximum current can reaching 3.0A and continuous current can reaching 2.1A, it can withstand input voltage up to 36V. 2、COMPATIBLE: Stepper driver with for StepStick and for Pololu A4988 stepper driver compatible hardware, bottom PCB side components for better heat dissipation and automatic standby current reduction. 3、CFG PINS: Printer driver step/direction interface with microstep interpolation (up to 256 microsteps), input microsteps 1 to 64 selectable, configurable via CFG pins. 4、IO HARDWARE CONFIGURATION: All functions of the Stepper motor driver require only IO hardware configuration, no software programming is required. 5、REPLACEMENT: Replace broken, damaged, cracked or unusable printer drivers, easy to use and stable performance. Specification Item Type: 3D Printer Stepper Motor Driver Material: PCB Chip: TMC2210 Configuration: CFG Pins Native Micro Step up To: 1/64 Motor Phase Current Maximum: 2.1A RMS, 3.0A Peaking Internal V Regulator: Enabled Package List 1 x 3D Printer Stepper Motor Driver 1 x Heat Sink 1 x Screwdriver