Product Information

POLOLU-1183

Product Image X-ON

Datasheet
Stepper motor controller; A4988; 1A; Uin mot:8÷35V; 17.8x35.6mm
Manufacturer: Pololu



Price (USD)

1: USD 11.1323 ea
Line Total: USD 11.1323

0 - Global Stock
MOQ: 1 Multiples:1
Pack Size :   1
Availability Price Quantity
0 - Global Stock


Ships to you between Tue. 04 Apr to Mon. 10 Apr

MOQ : 1
Multiples : 1

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POLOLU-1183
Pololu

1 : USD 11.1323
3 : USD 10.4782

     
Manufacturer
Pololu
Product Category
Motor Control Modules
Type of module
Stepper Motor Controller
Motor input voltage
8 To 35 V
Continuous output current per channel
1 A
Kit contents
Module, Connectors
Logic input voltage
3 To 5.5 V
Integrated circuit
A4988
Board dimensions
17.8X35.6Mm
Colour
Green
Additional Functions
Voltage Regulator
Information
Product Is Not A Working Device, But Only Component
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A4988 Stepper Motor Driver Carrier with Voltage Regulators A4983/A4988 stepper motor driver carrier with voltage regulators with dimensions. Overview This product is a carrier board or breakout board for Allegros A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection we therefore recommend careful reading of the A4988 datasheet (380k pdf) before using this product. This stepper motor driver lets you control one bipolar stepper motor at up to 2 A output current per coil (see the Power Dissipation Considerations section below for more information). Here are some of the drivers key features: Simple step and direction control interface Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motors rated voltage to achieve higher step rates Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay) Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection Short-to-ground and shorted-load protection This carrier has reverse power protection on the main power input and built-in 5 V and 3.3 V voltage regulators that eliminate the need for separate logic and motor supplies and let you control the driver with microcontrollers powered at 5 V or 3.3 V. We also sell a smaller, higher-performace version of the A4988 carrier without voltage regulators. Like nearly all our other carrier boards, this product ships with all surface-mount components including the A4988 driver ICinstalled as shown in the product picture.Some unipolar stepper motors (e.g. those with six or eight leads) can be controlled by this driver as bipolar stepper motors. For more information, please see the frequently asked questions. Unipolar motors with five leads cannot be used with this driver. Included Hardware The A4988 stepper motor driver carrier with voltage regulators comes with 0.1 male header pins that can be broken into smaller strips and soldered in for use with solderless breadboards or 0.1 female connectors. You can also solder your motor leads and other connections directly to the board. Using the driver Minimal wiring diagram for wiring a 5V microcontroller to an A4983/A4988 stepper motor driver carrier with voltage regulators (full-step mode). Power connections The driver requires a logic supply voltage (3 5.5 V) to be connected across the VDD and GND pins and a motor supply voltage (8 35 V) to be connected across VMOT and GND. The logic voltage can be supplied from an external source, such as that powering the logic of the rest of the system, or by jumpering the output of the 5 V or 3.3 V voltage regulator outputs to VDD. There are also surface-mount pads that allow VDD selection to be made by making a solder bridge across the appropriate pads. Note that the drivers regulators can also be used to power other electronics in the system, such as the controlling MCU. The motor power supply should be capable of delivering the expected currents for the stepper motors being used (peaks up to 4 A). Motor connections Four, six, and eight-wire stepper motors can be driven by the A4988 if they are properly connected a FAQ answer explains the proper wirings in detail.

Tariff Desc

8473.30.00 - Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED: Free
62 No .Cards (including network, sound, video, IDE, SCSI, and other similar cards)