The A4988 offers precise and versatile microstepping motor control, featuring a built-in translator, 1/16th step resolution, automatic current decay selection, and synchronous rectification.
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Download Datasheet
Manufacturer: Allegro MicroSystems, LLC
Win Source Part Number: 007716-A4988SETTR-T
Packaging: Reel - TR
Applications: General Purpose
Mounting: SMD (SMT)
Technology: DMOS
Output Current: 2A
Voltage - Load: 8 V to 35 V
Motor Type - Stepper: Bipolar
Step Resolution: 1, 1/2, 1/4, 1/8, 1/16
Family Name: A4988
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -20°C to 150°C (TJ)
Case / Package: 28-QFN (5x5)
Purpose: Driver - Fully Integrated, Control and Power Stage
Supply Voltage - Operating: 3 V to 5.5 V
Alternative Parts (Cross-Reference): TB62269FTAG; TB62269FTG; TB67S269FTG;
Introduction Date: February 23, 2010
ECCN: EAR99
Country of Origin: Taiwan
Estimated EOL Date: 2022
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 41 pct.
Supply and Demand Status: Balance
DMOS Stepper Motor Driver IC, 2A Output, 35V, QFN, Logic Interface Product overview: A4988SETTR-T from Allegro MicroSystems is a Motor Driver IC for embedded motor control, robotics, automation equipment, haptic feedback, pumps, fans, and industrial motion systems. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Stepper, 2A, 35V, QFN. Search-friendly keywords include motor driver IC, H-bridge, stepper motor, PWM control, motion control, Stepper, 2A, 35V, QFN, Motor Drivers, Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 744-A4988SETTR-T can be used for catalog matching and distributor lookup.
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MOTOR DRIVER, STEPPER, 2A, QFN-28; Motor Type:Stepper; No. of Outputs:2Outputs; Output Current:2A; Output Voltage:35V; Driver Case Style:QFN; No. of Pins:28Pins; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Product Range:- RoHS Compliant: Yes
| Allegro MicroSystems Inc. | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Stepper Motor Drives | Motion Controllers | DC Motor Drives | DC Motor Drives | Motor Controllers | Motor Controllers | Motor Controllers | Motor Controllers |
| Product Number | A4988SETTR-T | 007716-A4988SETTR-T | 744-A4988SETTR-T | 620-1343-2-ND | A4988SETTR-T | A4988SETTR-T | A4988SETTR-T | 71T9775 |
| Product Name | DMOS Microstepping Driver W/Translator And Ocp | PMIC - PMIC - Motor Drivers, Controllers - A4988SETTR-T | Stepper 2A 35V QFN Motor Driver IC | Motor Drivers, Controllers | Integrated Circuits (ICs) - Power Management (PMIC) - Motor Drivers, Controllers | PMIC - Motor Drivers, Controllers | Motor Drivers, Controllers | Motor Driver, Stepper, 2A, Qfn-28; Motor Type Allegro Microsystems |
| Motor / System | Microstepping Motor | Stepper | ||||||
| Configuration | PCB Mount | PCB Mount; 28-VFQFN Exposed Pad | ||||||
| Operating Temperature | -20 to 150 C (-4 to 302 F) | -20 C (-4 F) | -20 to 150 C (-4 to 302 F) | -20 to 150 C (-4 to 302 F) | ||||
| AC Input | 3 to 6 volts | 3 to 6 volts | 3 to 6 volts | |||||
| DC Input | 3 to 6 volts | 35 volts | 3 to 6 volts | 3 to 6 volts |
