Stepper Motor Controller, 2.5A, NMOS, PDSO28, 1.20 MM HEIGHT, LEAD FREE, MO-153AET, TSSOP-28 Product overview: A3977KLPTR-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, TSSOP. Search-friendly keywords include motor driver IC, H-bridge, stepper motor, PWM control, motion control, Stepper, 2.5A, TSSOP, Motor Drivers, Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 744-A3977KLPTR-T can be used for catalog matching and distributor lookup.
Manufacturer: Allegro MicroSystems, LLC
Win Source Part Number: 1011189-A3977KLPTR-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
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: -40°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
Popularity: Medium
Fake Threat In the Open Market: 52 pct.
Supply and Demand Status: Balance
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| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|
| Product Category | DC Motor Drives | Motion Controllers | DC Motor Drives | Motor Controllers | Motor Controllers | Motor Controllers |
| Product Number | 744-A3977KLPTR-T | 1011189-A3977KLPTR-T | 620-1145-2-ND | A3977KLPTR-T | A3977KLPTR-T | A3977KLPTR-T |
| Product Name | Stepper 2.5A TSSOP Motor Driver IC | PMIC - PMIC - Motor Drivers, Controllers - A3977KLPTR-T | Motor Drivers, Controllers | Motor Drivers, Controllers | Integrated Circuits (ICs) - Power Management (PMIC) - Motor Drivers, Controllers | PMIC - Motor Drivers, Controllers |
| PC-Based Bus | Logic | |||||
| Operating Temperature | -40 C (-40 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | ||
| AC Input | 3 to 6 volts | 3 to 6 volts | ||||
| DC Input | 3 to 6 volts | 3 to 6 volts | ||||
| Continuous Current | 2.5 amps | 2.5 amps |
