Mfr Part #:

A4988SETTR

The Allegro MicroSystems A4988SETTR-T is a 35V, 1/16-step bipolar stepper motor driver with an integrated translator. It offers ±2A output capability and supports 8V to 35V motor supply voltage.

✓ Total Stock: 1,383 pcs

$ Price Range: $2.25

A4988SETTR Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Xingangxin ✓ Non-Authorised Inventory information	1,383 pcs On Request	1383 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

A4988SETTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Allegro Microsystems
Operating Temperature	-20°C to +85°C
Protection Features	Thermal shutdown, UVLO, crossover-current protection, short-to-ground protection, shorted-load protection

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A4988SETTR Description

Short technical summary and product information.

The A4988SETTR-T from Allegro MicroSystems is a 35V, 1/16-step bipolar stepper motor driver featuring an integrated translator with simplified STEP/DIR control. This device is designed for compact motion-control applications, offering a robust solution for printers, consumer electronics, and health/medical peripherals.

Key electrical specifications include a motor supply voltage range of 8V to 35V and a logic supply voltage range of 3V to 5.5V, ensuring compatibility with various microcontrollers. The output capability is up to ±2A, with a typical RDS(on) of 320 mΩ. It utilizes a fixed off-time PWM current regulator with Slow/Mixed decay support for improved step accuracy and reduced noise.

Protection features include thermal shutdown, UVLO, crossover-current protection, short-to-ground protection, and shorted-load protection, enhancing device reliability. The driver operates within a -20°C to +85°C ambient temperature range.

The A4988SETTR-T is supplied in a 28-contact QFN package with an exposed thermal pad, measuring 5mm x 5mm x 0.90mm. It is available in Tape & Reel packaging, with 1500 pieces per 7-inch reel.

A4988SETTR Quick Information

Product Type: DMOS Stepper Motor Driver IC

Series: A4988

Canonical Name: A4988SETTR-T DMOS Stepper Motor Driver IC

Subcategory: Stepper Motor Driver

A4988SETTR Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

A4988SETTR Estimated Pricing

Qty	Low	High
1+	$2.25	$2.25

Estimated market price range - modelled values for guidance only, not live distributor offers.

A4988SETTR Features

Integrated translator simplifies firmware control.
Supports 1/16-step microstepping resolution.
Wide motor supply voltage from 8V to 35V.
±2A maximum output current capability.
Robust protection features for reliability.

A4988SETTR Applications

Ideal for compact motion control designs.
Suitable for printers and peripherals.
Used in consumer electronics subsystems.
Applicable in health and medical devices.

A4988SETTR FAQs

5 frequently asked questions generated from this part’s specifications.

What is the motor supply voltage range for the A4988SETTR?

The motor supply voltage range is 8 V to 35 V.

What step resolutions does the A4988SETTR support?

It supports full, 1/2, 1/4, 1/8, and 1/16 step resolutions.

What is the maximum output current of the A4988SETTR?

The maximum output current is ±2 A.

What is the operating temperature range of the A4988SETTR?

The operating ambient temperature range is -20°C to +85°C.

What package is the A4988SETTR available in?

It is available in a 28-contact QFN package with exposed thermal pad, measuring 5 mm x 5 mm x 0.90 mm.