... drive motor The advantages compare to 4988 : 1, the maximum current of 2.5 A. 2, the highest support 32 subdivision ... better. Parameters: Size: 15 mmx20mm (the same as 4988) Drive current: 2.5 A Segmentation: 1, 1/2, 1/4, 1 ... pattern detection/choice; 6, overheating closed circuit, under voltage lockout, cross current protection; 7, grounding short circuit protection and load short circuit ...