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Product Detailed Parameters
- Description：IC MOTOR DRIVER BIPOLAR 24SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：On/Off
- Technology：DMOS
- Step Resolution：-
- Applications：General Purpose
- Current - Output：750mA
- Voltage - Supply：4.75V ~ 5.25V
- Voltage - Load：7.45V ~ 45V
- Operating Temperature：-40°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 A4970GLBTR-T is a fully integrated bipolar stepper motor driver IC manufactured by Allegro MicroSystems. It utilizes DMOS technology to provide complete control and power stages in a single package. The device supports a supply voltage range of 4.75V to 5.25V and handles load voltages from 7.45V to 45V. It delivers an output current of 750mA per phase. Designed for surface mount installation, it features a 24-SOIC package with a width of 7.50mm. The component operates within a junction temperature range of -40°C to 150°C.
Feature Summary
- Integrates full control logic and power stage for bipolar stepper motors
- Supports open-loop operation via simple on/off interface signals
- Includes thermal shutdown protection for enhanced reliability
Applications
- General purpose bipolar stepper motor control
- Brushed DC motor driving applications
- Industrial automation systems requiring integrated motor drive solutions
Procurement Notes
Verify the specific suffix GLBTR-T against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure that the 24-SOIC footprint matches the target PCB design constraints. Confirm RoHS3 compliance status if required by project regulations. Cross-reference the MSL rating of level 3 with assembly process capabilities to prevent moisture-induced damage during soldering.
Selection Notes
Select this component when a compact solution for bipolar stepper or brushed DC motors is required without external drivers. The 750mA output current suits moderate load applications. The wide operating temperature range allows use in demanding environments. Verify that the 4.75V to 5.25V supply requirement aligns with the system's logic voltage levels before integration into the design.
Part Context
This part belongs to the A4970 family of stepper motor driver ICs from Allegro MicroSystems. The family offers various packages and configurations to suit different integration needs. The A4970 series is designed to simplify motor control designs by combining logic and power functions. This specific variant provides a standard SOIC package suitable for automated surface mount assembly processes.
Replacement Considerations
The A4970SLBTR-T is a documented alternative within the same product family. Both parts share similar bipolar driver functionality and package types. Verify electrical parameter alignment and pin compatibility before substituting.
