GY-4988 A4988 3D Printer Driver stepper motor drive module

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: Large Image:GY-4988 A4988 3D Printer Driver stepper motor drive module

Product Details:

Place of Origin:	CHINA
Brand Name:	LXXTECH
Model Number:	LXX-0118
Certification:

Payment & Shipping Terms:

Minimum Order Quantity:	50
Price:	Good price
Delivery Time:
Payment Terms:	TT ,paypal,ESCROW
Supply Ability:

Detailed Product Description

GY-4988 A4988 3D Printer Driver stepper motor drive module

A4988 is a complete microstepping motor driver with built-in translator for easy operation. This product is available in full, half , 1/ 4, 1/ 8 and 1/16 step modes operate bipolar stepper motors , output drive capacity of up to 35 V and ± 2 A. A4988 includes a fixed off- time current regulator , the regulator in slow or mixed decay modes . A4988 converter is the key to the easy implementation . As long as the "step" input inputting one pulse drives the motor one microstep. There are no phase sequence tables, high frequency control lines, or complex interfaces to program . A4988 interface is very suitable for complex microprocessor is unavailable or is overburdened .

In the micro-step operation , A4988 chopping control inside automatically selects the current decay mode ( Slow or Mixed ) . In mixed decay mode , the device is initially set to a fixed downtime in some fast decay , then the rest of the slow decay downtime . Mixed decay current control scheme results in reduced audible motor noise, increased step accuracy, and reduced power consumption. Internal synchronous rectification control circuitry is provided to improve the pulse-width modulation (PWM) operation power consumption. Internal circuit protection includes : thermal shutdown with hysteresis , undervoltage lockout (UVLO) , and crossover- current protection. Special power sequencing.

Feature:

Low RDS ( ON ) output

Automatic current decay mode detection / selection

Mixed with slow current decay modes

Synchronous rectification for low power dissipation

Internal UVLO

Crossover-current protection

3.3 and 5 V compatible logic supply

Thermal shutdown circuitry

Ground fault protection

Load short-circuit protection

Step five selectable modes: full , 1/ 2, 1 / 4, 1 / 8 and 1/ 16