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Product Detailed Parameters
- Description：IC MTRDRV BIPLR 4.75-5.5V 16SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：-
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (4)
- Interface：Parallel
- Technology：Bipolar
- Step Resolution：-
- Applications：General Purpose
- Current - Output：650mA
- Voltage - Supply：4.75V ~ 5.5V
- Voltage - Load：4.75V ~ 30V
- Operating Temperature：-20°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-PowerSOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The A3966SLBTR-T is a dual full-bridge PWM motor driver manufactured by Allegro MicroSystems. It operates within a supply voltage range of 4.75 V to 5.5 V and supports load voltages up to 30 V. The device delivers an output current of 650 mA per channel with a quiescent supply current of 3 mA. It utilizes a 16-SOIC package and functions at a switching frequency of 25.4 kHz. Power dissipation is rated at 1.87 W, and the component is designed for surface mount installation.
Feature Summary
- Integrates dual full-bridge drivers with complete control and power stages in a single package
- Supports bipolar stepper motors via parallel interface
- Includes integrated protection mechanisms for reliable operation
Applications
- General purpose motor control systems
- Bipolar stepper motor driving applications
Procurement Notes
Verify the specific suffix TR-T indicates tape and reel packaging configuration when sourcing. Confirm RoHS3 compliance status as indicated in official documentation. Ensure moisture sensitivity level 3 handling procedures are followed during assembly. Cross-reference the manufacturer part number A3966SLBTR-T directly with datasheet specifications to avoid confusion with obsolete variants or different package types.
Selection Notes
Select this component for applications requiring low-voltage bipolar stepper motor control with integrated power stages. The 16-SOIC package suits surface mount designs. Verify that the required output current does not exceed 650 mA. Consider thermal management capabilities given the 1.87 W power dissipation rating. Ensure the system logic interface matches the parallel control requirements specified in the technical data.
Part Context
This part belongs to the A3966 series from Allegro MicroSystems. It serves as the active replacement for the obsolete A3966SLB variant. The series provides integrated solutions for bipolar stepper motor applications. The device consolidates driver and control functions into a compact form factor suitable for space-constrained electronic designs.
Replacement Considerations
The A3966SLB is an obsolete version of this component. No direct public substitute part numbers are confirmed for the A3966SLBTR-T model.
