Item Type: Stepper Motor Driver ModuleMaterial: Aluminum AlloyOutput Current: 1.78ARecommended Working Current: 0.8AMicrostep: 256 microstep subdivisionLoad Driving Voltage Range: 5.5-36VIC Logic Working Voltage: 3.3/5V .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 SUBDIVISIONS: Continuing the characteristics of TMC series drivers, the chip is expanded to 256 subdivisions internally, with good mute effect. 2LARGER CURRENT: The driving current is larger, the maximum peak current is 2.5A, and the stable printing current is 1.7A, stable and reliable. 3WITH HEAT SINK: The stepper motor driver is equipped with heat sink to ensure good heat dissipation, lower heating efficiency and safe operation. 4ALUMINUM ALLOY: The heat sink is made of aluminum alloy, with light weight, corrosion resistance, wear resistance and long service life. 5FOR 3D PRINTER: The stepper motor driver module has ultra quiet operation, is a common accessory of 3D printer, easy to install and replace.