The A3977 simplifies microstepping motor control with its integrated translator, eliminating the need for complex phase-sequence tables. Offers smooth, quiet operation with selectable current decay modes and synchronous rectification.
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Bipolar Motor Driver DMOS Logic 28-TSSOP-EP
Bipolar Motor Driver DMOS Logic 28-TSSOP-EP
Bipolar Motor Driver DMOS Logic 28-TSSOP-EP
Manufacturer: Allegro MicroSystems, LLC
Win Source Part Number: 007687-A3977SLPTR-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: Active
Temperature Range - Operating: -20°C to 150°C (TJ)
Case / Package: 28-TSSOP-EP
Purpose: Driver - Fully Integrated, Control and Power Stage
Supply Voltage - Operating: 3 V to 5.5 V
Alternative Parts (Cross-Reference): L99MOD51XPTR; VNHD7012AY ; VNHD7008AY; L99MOD54XPTR;
Introduction Date: January 17, 2008
ECCN: EAR99
Country of Origin: Thailand
Estimated EOL Date: 2025
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 60 pct.
Supply and Demand Status: Sufficient
Application Field: Used in Motor Drive & Control
Stepper Motor Driver IC, 2.5A, 35V, 5.5V, TSSOP-28 Product overview: A3977SLPTR-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, 35V, 5.5V, TSSOP. Search-friendly keywords include motor driver IC, H-bridge, stepper motor, PWM control, motion control, Stepper, 2.5A, 35V, 5.5V, Motor Drivers, Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 744-A3977SLPTR-T can be used for catalog matching and distributor lookup.
Stepper Motor Driver, Dual Full TSSOP28
Stepper Motor Driver, Dual Full TSSOP28
Stepper Motor Driver, Dual Full TSSOP28
MOTOR DRIVER, STEPPER, 2.5A, TSSOP-28, FULL REEL; Motor Type:Stepper; No. of Outputs:2Outputs; Output Current:2.5A; Output Voltage:35V; Driver Case Style:TSSOP; No. of Pins:28Pins; Supply Voltage Min:3V; Supply Voltage Max:5.5V RoHS Compliant: Yes
MOTOR DRIVER, STEPPER, 2 O/P, TSSOP-28; Motor Type:Stepper; No. of Outputs:2Outputs; Output Current:2.5A; Output Voltage:35V; Driver Case Style:TSSOP; No. of Pins:28Pins; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Operating RoHS Compliant: Yes
Bipolar Motor Driver DMOS Logic 28-TSSOP-EP
IC MTR DRV BIPOLR 3-5.5V 28TSSOP
IC MTR DRV BIPOLR 3-5.5V 28TSSOP
| Allegro MicroSystems Inc. | DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | RS Components, Ltd. | RS Components, Ltd. | Newark, An Avnet Company | Quarktwin Technology Ltd. | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Stepper Motor Drives | DC Motor Drives | Motion Controllers | DC Motor Drives | Stepper Motor Drives | Stepper Motor Drives | Motor Controllers | Motor Controllers | Motor Controllers | Motor Controllers |
| Product Number | A3977SLPTR-T | 620-1147-1-ND | 007687-A3977SLPTR-T | 744-A3977SLPTR-T | 6807208 | 6807208P | 08J5884 | A3977SLPTR-T | A3977SLPTR-T | A3977SLPTR-T |
| Product Name | Dual DMOS Full Bridge W/Microstep | Motor Drivers, Controllers | PMIC - PMIC - Motor Drivers, Controllers - A3977SLPTR-T | Stepper 2.5A 35V 5.5V Motor Driver IC | Motor Driver ICs | Motor Driver ICs | Motor Driver, Stepper, 2.5A, Tssop-28, Full Reel; Motor Type Allegro Microsystems | Motor Drivers, Controllers | PMIC - Motor Drivers, Controllers | Integrated Circuits (ICs) - Power Management (PMIC) - Motor Drivers, Controllers |
| Motor / System | Microstepping Motor | Bipolar; Stepper | Stepper | Stepper | ||||||
| Configuration | PCB Mount | PCB Mount; "28-TSSOP (0.173"", 4.40mm Width) Exposed Pad" | PCB Mount; Other; Surface mount | PCB Mount | ||||||
| Communication | Logic | Logic | ||||||||
| Operating Temperature | -20 to 150 C (-4 to 302 F) | -20 to 150 C (-4 to 302 F) | -20 C (-4 F) | -20 to 150 C (-4 to 302 F) | ||||||
| AC Input | 3 to 6 volts | 3 to 6 volts | 3 to 6 volts |
