... ~8.0 3.Input Current:6~16mA 4.Micro Step:2~256 Stepper Motor Drive 2M880NFeatures: 1. Automatic parameter adjustable regulation 2. ... upper computer6. Supporting half-current function7. the maximum micro-step is 2568. With the protection function of over-voltage, under-voltage, over ... output, maximum current: 20mAProtectionOver-voltage, under-voltage, short circuit, overheat Stepper motor driver 2M880N