TB6600 Stepper Motor Driver Controller 9-42VDC 4A Micro-Step for 57BYG250H Motor Description This driver is the upgraded version TB6600, heightening segment to 32 subdivision, suitable for high segmentation applications. For step motor: 42, 57, 86 type 2 phase 4 phase (4 / 6 / 8 line). The maximum output current is 4.0A (eight optional). Up to 32 segments of six kinds of sub-modes available. Features - 9V-40V DC power supply. H-bridge bipolar constant phase flow driver. - Eight kinds of output current for options with the maximum of 4.0A. - Up to 32 segments of six kinds of sub-modes available. - The input signal high-speed photoelectric isolation. - Standard common anode single pulse interface. - Offline maintainence function. - Semi-enclosed chassis can adapt to a more demanding environment. - Provide energy-saving semiautomatic current lock function. - Built-in thermal protection and over-current protection. - Can control 2 phase stepper motor forward and reverse rotation, with 1-2, W1 -2 , 2W1 -2, 4W1 -2 phase excitation mode. - Suitable for small and medium automatic devices with CNC control, such as X-Y-Z tables, labeling machines, laser cutting, engraving, machines and pick-place devices.  Specification - Color: Mainly black - Material: Metal, Plastic, Electric Components - Compatible step motor: 42, 57, 86 type 2 phase 4 phase (4 / 6 / 8 line) - Size: Approx. 9.5 x 5.6 x 3.5 cm/ 3.78 x 2.2 x 1.37 (L x W x H) - Power supply: 9 ~ 40V DC \n- Input voltage: DC 12 ~ 48V  Operating temperature: -10 to 45 ? c - Storage temperature: -40 to 70 ? c - Max Drive current: 4A - Chopping frequency: 20KHZ - Insulating material: Epoxy resin (EP)  package includes 1 x TB6600 Driver module