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Part No A4989SLDTR-T
Manufacturer Allegro MicroSystems, LLC
Catalog Hard To Find
Description The A4989 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors (typically 30 to 500 W).

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Pricing & Ordering $1.9854 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
Unit Price
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Availability: 80,900 pieces
MOQ: 19 pcs
Order Increment : 1 pcs
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Products specifications

Categories Integrated Circuits (ICs)
Manufacturer Allegro MicroSystems, LLC
Packaging Reel - TR
Motor Type - Stepper Bipolar
Function Controller - Commutation, Direction Management
Output Configuration Pre-Driver - Half Bridge (4)
Interface Step/Direction
Technology Power MOSFET
Step Resolution 1, 1/2, 1/4, 1/16
Applications General
Operating Supply Voltage 3 V ~ 5.5 V
Voltage - Load 12 V ~ 50 V
Operating Temperature Range -20°C ~ 85°C (TA)
Mounting SMD
Package 38-TFSOP (0.173", 4.40mm Width)
Manufacturer Package 38-TSSOP
Win Source Part Number 1134695-A4989SLDTR-T
Manufacturer Homepage
Family Name A4989
Introduction Date December 10, 2010
Country of Origin Philippines
Halogen Free Compliant
Estimated EOL Date 2022
Is this a common-used part? Yes
Popularity High
Fake Threat In the Open Market 51 pct.
Supply and Demand Status Balance
Quantity per package 4k pcs
Alternative Parts
L6227N;  LMD18200-2D/883;   E-L6203; 


The Allegro MicroSystems A4989SLDTR-T is a Power MOSFET integrated circuit designed for controlling bipolar stepper motors. It operates with an input voltage range of 3 V to 5.5 V and can drive motors with a voltage range of 12 V to 50 V. The A4989SLDTR-T features a step/direction interface and pre-driver half-bridge output configuration. It supports step resolutions of 1, 1/2, 1/4, and 1/16. The package is 38-TFSOP (0.173", 4.40mm Width) and can operate in a temperature range of -20°C to 85°C. This controller is commonly used in general applications and is a high-popularity part with a balanced supply and demand status. It comes in a reel package with 4k pcs per package.

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