Item Type: Stepper Motor DriverMaterial: Aluminum AlloyOutput Current: 1.78ARecommended Working Current: 0.8AMicrostep: 256 microstep subdivisionConfiguration: STEP, DIR OR UART. Load Driving Voltage Range: 5.5~38VIC Logic Working Voltage: 3V, 5V. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1256 Micro Steps: Low in working noises, the internal 16 steps of the stepper motor driver chip is expanded to 256 subdivisions. 2Driving Current: Larger driving current, the maximum peak current can get to 2.5A, and the stable printing current can get to 1.7A. 3Stables Working: Comes with a heatsink, the step motor driver module enables good heat dissipation for higher working stability. 4Perfect Fitting: Supports UART mode, the motor drive board is applicable to for MKS SGEN-L without jumper, useful and reliable. 5Easy to Install: Designed to have a light weight and a compact size as well, the TMC2226 motor driver is very simple to install.