Stepper Motor Controller, 2.5A, NMOS, PQCC44, LEAD FREE, PLASTIC, MS-018AC, LCC-44 Product overview: A3977SEDTR-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, 2.5A. Search-friendly keywords include motor driver IC, H-bridge, stepper motor, PWM control, motion control, Stepper, 2.5A, Motor Drivers, Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 744-A3977SEDTR-T can be used for catalog matching and distributor lookup.
Bipolar Motor Driver DMOS Logic 44-PLCC (16.59x16.59)
Manufacturer: Allegro MicroSystems, LLC
Win Source Part Number: 137196-A3977SEDTR-T
Packaging: Reel - TR
Applications: General Purpose
Mounting: SMD (SMT)
Technology: DMOS
Output Current: 2.5A
Voltage - Load: 8 V to 35 V
Motor Type - Stepper: Bipolar
Step Resolution: 1, 1/2, 1/4, 1/8
Family Name: A3977
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: -20°C to 150°C (TJ)
Case / Package: 44-PLCC (16.59x16.59)
Purpose: Driver - Fully Integrated, Control and Power Stage
Supply Voltage - Operating: 3 V to 5.5 V
Alternative Parts (Cross-Reference): BU64291GWZ-TR; TB62215AFG; BU64297GWZ-TR;
Introduction Date: January 17, 2008
ECCN: EAR99
Estimated EOL Date: Obsolete
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 30 pct.
Supply and Demand Status: Balance
IC MTR DRVR BIPOLR 3-5.5V 44PLCC
IC MTR DRVR BIPOLR 3-5.5V 44PLCC
Bipolar Motor Driver DMOS Logic 44-PLCC (16.59x16.59)
MOTOR DRIVER, STEPPER, 2.5A, PLCC-44, FULL REEL; Motor Type:Stepper; No. of Outputs:2Outputs; Output Current:2.5A; Output Voltage:35V; Driver Case Style:LCC; No. of Pins:44Pins; Supply Voltage Min:3V; Supply Voltage Max:5.5V; MSL:- RoHS Compliant: Yes
| ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|
| Product Category | DC Motor Drives | DC Motor Drives | Motion Controllers | Motor Controllers | Motor Controllers | Motor Controllers | Motor Controllers |
| Product Number | 744-A3977SEDTR-T | 620-1146-2-ND | 137196-A3977SEDTR-T | A3977SEDTR-T | A3977SEDTR-T | A3977SEDTR-T | 12X9022 |
| Product Name | Stepper 2.5A Motor Driver IC | Motor Drivers, Controllers | PMIC - PMIC - Motor Drivers, Controllers - A3977SEDTR-T | Integrated Circuits (ICs) - Power Management (PMIC) - Motor Drivers, Controllers | PMIC - Motor Drivers, Controllers | Motor Drivers, Controllers | Motor Driver, Stepper, 2.5A, Plcc-44, Full Reel; Motor Type Allegro Microsystems |
| PC-Based Bus | Logic | ||||||
| Operating Temperature | -20 C (-4 F) | -20 to 150 C (-4 to 302 F) | -20 to 150 C (-4 to 302 F) | -20 to 150 C (-4 to 302 F) | |||
| DC Input | 6 volts | 3 to 6 volts | 3 to 6 volts | 3 to 6 volts | |||
| Configuration | PCB Mount; 44-LCC (J-Lead) | ||||||
| Communication | Logic | Logic |
