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New Reduced price! 5pcs Reprap Stepper Driver A4988 Stepper Motor Driver Module Dropshipping color:red View larger

5pcs Reprap Stepper Driver A4988 Stepper Motor Driver Module Dropshipping color:red

$4.50

New product

Model Number a4988
Brand Name HAILANGNIAO
Usage Temperature Sensor
Theory Resistance Sensor
Output Switching Transducer
Material Mixture
Type Vibration Sensor
Package Weight 0.2kg (0.44lb.)
Package Size 15cm x 12cm x 3cm (5.91in x 4.72in x 1.18in)
Unit Type lot (5 pieces/lot)

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.

A4988 surface mount QFN package (ES), a size of 5 mm × 5 mm, nominal overall package height

of 0.90 mm, with an exposed pad for enhanced thermal dissipation. This package is Pb (suffix-T),

with 100% matte tin leadframe plating.

Features:

We have two colors of this item,if you want red version,please leave us the message after you palce the order,or we will send thedefault:green version. Low RDS (On) Output Automatic current decay mode detection / selection Mix with slow current decay modes Synchronous rectification for low power dissipation Internal UVLO Cross-current protection 3.3 and 5 V compatible logic supply Thermal shutdown circuitry Ground fault protection Load short-circuit protection Optional step five modes: full, 1/2, 1/4, 1/8 and 1/16

Tags: driver a4988, driver module, driver motor, Cheap driver a4988, High Quality driver module, China driver motor Suppliers.

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5pcs Reprap Stepper Driver A4988 Stepper Motor Driver Module Dropshipping color:red

5pcs Reprap Stepper Driver A4988 Stepper Motor Driver Module Dropshipping color:red

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