Manufacturer: Allegro MicroSystems, LLC
Win Source Part Number: 908901-A3973SLB
Operating Temperature Range: -20°C ~ 150°C (TJ)
Features: Bipolar Motor Driver DMOS Serial 24-SOIC
Package: Tube
Package: 24-SOIC (0.295", 7.50mm Width)
Mounting: Surface Mount
Part Status: Obsolete
Family Name: A3973
Categories: Integrated Circuits (ICs)
Case / Package: 24-SOIC
ECCN: EAR99
Popularity: High
Fake Threat In the Open Market: 91 pct.
Supply and Demand Status: Balance
Quantity per package: 31
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8542.39.0001
Stepper Motor Controller, 1A, PDSO24, BATWING, PLASTIC, SOIC-24 Product overview: A3973SLB 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, 1A, SOIC. Search-friendly keywords include motor driver IC, H-bridge, stepper motor, PWM control, motion control, Stepper, 1A, SOIC, Motor Drivers, Controllers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 744-A3973SLB can be used for catalog matching and distributor lookup.
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| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Quarktwin Technology Ltd. | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | Motion Controllers | DC Motor Drives | DC Motor Drives | Motor Controllers | Motor Controllers | Motor Controllers |
| Product Number | 908901-A3973SLB | 744-A3973SLB | A3973SLB-ND | A3973SLB | A3973SLB | A3973SLB |
| Product Name | PMIC - PMIC - Motor Drivers, Controllers - A3973SLB | Stepper 1A SOIC Motor Driver IC | Motor Drivers, Controllers | Motor Drivers, Controllers | PMIC - Motor Drivers, Controllers | Integrated Circuits (ICs) - Power Management (PMIC) - Motor Drivers, Controllers |
| 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) | ||
| PC-Based Bus | Serial | |||||
| DC Input | 6 volts | 4 to 6 volts | ||||
| Configuration | PCB Mount; "24-SOIC (0.295"", 7.50mm Width)" | |||||
| Communication | Serial | Serial |
