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Google Review
A4988 Stepper Motor Driver Module with Aluminium Heat Sink
Original price was: ₹128.00.₹89.00Current price is: ₹89.00.
Quick Review:
- simple step and direction control interface
- Short-to-ground and shorted-load protection
- Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step
- Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
Shipping: Usually delivered in 3-7 days.
Brand New || Best Quality || Skype and Video Support Available.
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Availability:
50 in stock
50 in stock
A4988 is a complete micro-stepping 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 easy implementation. As long as the “step” input inputting one pulse drives the motor one micro-step. 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, under-voltage 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 lead frame plating.
Technical Specifications:
- Simple step and direction control interface
- Short-to-ground and shorted-load protection
- Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step
- 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
- Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above
- your stepper motor’s rated voltage to achieve higher step rates.
Package Includes:
- 1 Piece- A4988 Stepper Motor Driver Module
- 1 Piece – Heatsink
| Weight | 3 g |
|---|---|
| Dimensions | 20 × 19 × 12 mm |
Shipping
We strive to ensure that your orders reach every corner of India efficiently and reliably. To achieve this, we partner with some of the most trusted courier services in the country, including E-Kart, Amazon Surface, Delhivery, DTDC, Blue Dart, XpressBees, Ecom Express, and India Speed Post—especially for rural areas, based on the most suitable courier partner for each customer’s location.
For interior or remote regions not serviced by private couriers, we rely on India Post to ensure complete coverage.
We make every effort to dispatch orders on the same day they are placed or within 24 hours of receiving the order. Orders placed before 1 PM (IST) are typically shipped the same day, while those placed after 1 PM are scheduled for shipment the next working day.
This level of commitment applies throughout the week, including weekdays, and often extends to weekends and public holidays to serve our customers better.
We also offer local self-pickup options for customers in nearby areas—available on weekdays and partially available on weekends.
Warranty
This item is covered by a 7-day limited warranty from the date of delivery, applicable only to manufacturing defects. This warranty is provided solely to protect customers against any such defects. In the unlikely event of an issue, replacement or reimbursement will be offered after a complete inspection and confirmation of the defect.
What voids the warranty?
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
Note: For your peace of mind, all electronic items are imported and, as such, do not come with a manufacturer’s warranty or guarantee. However, we take great care to ensure product quality—each item is thoroughly inspected before dispatch.
Other Info
- Country of origin: China
- Packer/ Importer: Ercoms Robotics Lab
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