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Description

Easy to Use: Simple Step and Direction Control Interface..
Five Different Step Resolutions: full step, half step, 1/4 step, 1/8 step, and 1/16 step mode. Output drive capacity is up to 35 V and ± 1.2 A..
Adjustable Output Current: The output current is adjustable by a potentiometer.
Intelligent Chopping Control: With this function, they are able to automatically select the correct current decay mode (fast decay or slow decay).
Integrated Protection: Integrated Protection against thermal disconnection of overheating, low voltage blocking and crossover current..

Suitable for Complex Microprocessor:A4988 interface is very suitable for complex microprocessor. The converter is the key to the easy implementation of the A4988. No phase sequence tables, high frequency control lines, or complex interfaces to programming. Intelligent Chopping Control: The chopping control in the A4988 automatically selects the current decay mode (Slow or Mixed). In the mixed decay mode, the device is initially set to fast decay in the part of the fixed off-time, then a slow decay in the rest of the downtime. Mixed-decay current control scheme results in reduced audible motor noise, increased step accuracy, and reduced power consumption. Internal synchronous rectification control circuitry: Internal synchronous rectification control circuitry to improve the pulse-width modulation (PWM) power consumption when operating. Internal circuit protection includes: thermal shutdown with hysteresis, under voltage lockout (UVLO) and crossover current protection. Package Features: A4988 surface QFN package (ES) Compact Package Size: 6.18 x 4.72 x 1.18 (in), 0.06 pound weight. With exposed pad for enhanced thermal dissipation. The package is Pb (suffixes-T), with 100% matte tin leadframe plating. Working Voltage: Between 8 and 35 volts. Note: Please take anti-static measures before you use the A4988 modules in case of short-circuit. Package Included: 5*A4988 Stepper Motor Diver Module 5*Heatsink 1*Screwdriver

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Elegoo A4988 Stepper Motor Driver Module Stepstick with Headsink for 3D Printer, CNC Machines, Robots, Reprap (Pack of 5)

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