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Product Detailed Parameters
- Description：IC MTR DRV BIPOLAR 3-5.5V 24SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tube
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：Logic
- Technology：DMOS
- Step Resolution：1, 1/2
- Applications：General Purpose
- Current - Output：2A
- Voltage - Supply：3V ~ 5.5V
- Voltage - Load：8V ~ 35V
- Operating Temperature：-20°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：24-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：24-SOIC
- Grade：-
- Qualification：-
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Overview
The A3982SLB is a fully integrated bipolar stepper motor driver manufactured by Allegro MicroSystems. It combines logic, control circuitry, and power DMOS output stages in a single package. The device supports full-step and half-step operation with a 2A output current capability. It operates on a 3V to 5.5V supply voltage and drives loads up to 35V. The component utilizes a 24-SOIC surface-mount package and functions within a junction temperature range of -20°C to 150°C.
Feature Summary
- Integrates control logic, drivers, and power DMOS outputs for simplified design
- Supports full-step and half-step resolution modes
- Provides overcurrent protection and thermal shutdown capabilities
Applications
- General purpose bipolar stepper motor control
- Office automation equipment
- Industrial motion control systems
Procurement Notes
Verify the obsolete status of this specific part number before procurement planning. Confirm if the manufacturer has issued a formal Product Change Notification regarding packaging or specifications. Ensure that any substitute components meet the required electrical parameters and pinout compatibility for your existing design.
Selection Notes
Select this component for applications requiring a compact solution for bipolar stepper motors. Consider the 24-SOIC package constraints and the 35V load voltage limit. Evaluate the thermal performance requirements given the 150°C junction temperature rating. Verify interface compatibility with the host microcontroller logic levels.
Part Context
This part belongs to the A3982 series of stepper motor drivers from Allegro MicroSystems. It is designed as a complete drive solution for bipolar motors. The series typically includes variants with different packaging options such as TSSOP or SOIC. These devices are positioned for cost-effective motion control in consumer and industrial electronics.
Replacement Considerations
Public data indicates the TB6560AHQ,8 from Toshiba Semiconductor and Storage as a similar replacement option.
