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A4988 Stepper Motor Driver IC (Allegro) - QFN-28 SMD Package
The A4988 is a microstepping driver IC designed for controlling bipolar stepper motors, providing precise current control and smooth motion. This IC is suitable for a variety of applications where stepper motors are used. The A4988 comes in a compact QFN-28 SMD package, making it ideal for integration into space-constrained designs.
Specifications:
- IC Type: Stepper Motor Driver
- Package Type: QFN-28 SMD
- Package Size: 28 Pins
- Operating Voltage: 8 V to 35 V
- Output Current: Up to 2 A per coil
- Microstepping: Full, 1/2, 1/4, 1/8, and 1/16 steps
- Logic Input Voltage: 3.3 V to 5 V
- Operating Temperature Range: -20°C to +85°C
- Brand: Allegro
Pin Configuration:
- VDD: Logic power supply
- GND: Ground
- DIR: Direction input
- STEP: Step input
- MS1: Microstep select 1
- MS2: Microstep select 2
- MS3: Microstep select 3
- RST: Reset input
- SLP: Sleep mode input
- VREF: Reference voltage input
- OUT1A: Output 1A
- OUT1B: Output 1B
- GND: Ground
- VBB: Motor power supply
- VBB: Motor power supply
- OUT2B: Output 2B
- OUT2A: Output 2A
- GND: Ground
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
- NC: No Connection
Features:
- Microstepping control: Full, 1/2, 1/4, 1/8, and 1/16 step modes
- Adjustable current control for precise motion
- Built-in overcurrent and thermal protection
- Automatic current decay mode detection/selection
- Compact QFN-28 package for space-constrained applications
Applications:
- 3D printers
- CNC machines
- Robotics
- Automated machinery
- Precision motion control systems
Package Includes:
1 x A4988 Stepper Motor Driver IC (QFN-28 SMD Package)
Note: Product images are for illustrative purposes only and may differ from the actual product.
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Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.Shipping
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