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Product Detailed Parameters
- Description：IC MTR DRVR BIPOLAR 3-5.5V 32QFN
- 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：Logic
- Technology：DMOS
- Step Resolution：1, 1/2, 1/4, 1/16
- 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：32-VFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The A4982SETTR-T is a bipolar stepper motor driver from Allegro MicroSystems, designed for full integration of control and power stages. It operates with a logic supply voltage range of 3V to 5.5V and a load voltage range of 8V to 35V. The device delivers an output current of 2A and supports step resolutions of 1, 1/2, 1/4, and 1/16. It utilizes DMOS technology and is housed in a 32-QFN (5x5) package with exposed pad. The operating junction temperature range extends from -20°C to 150°C.
Feature Summary
- Integrates complete control circuitry and power output stages for simplified design
- Supports multiple microstepping resolutions including full, half, quarter, and sixteenth steps
- Features robust protection mechanisms against thermal overload and short circuits
Applications
- General purpose bipolar stepper motor control
- Motion control systems requiring integrated driver solutions
- Automation equipment utilizing DMOS-based actuation
Procurement Notes
Verify the specific suffix 'SETTR-T' to ensure correct packaging configuration. Confirm that the 32-VFQFN footprint matches the target PCB layout. Check RoHS compliance status if environmental regulations apply. Ensure the logic voltage levels align with the host controller interface requirements before finalizing procurement.
Selection Notes
Select this component when a fully integrated bipolar stepper driver is required. It is suitable for applications needing up to 2A output current within a compact 32-QFN form factor. Consider the wide operating temperature range for demanding environments. Verify compatibility with the desired microstepping resolution settings during the initial design phase.
Part Context
This part belongs to the A4982 series of stepper motor drivers manufactured by Allegro MicroSystems. It is distinct from evaluation tools like the APEK4982SLP-01-T or other family members such as the A4988. The SETTR-T designation indicates a tape and reel packaging format intended for automated surface-mount assembly processes.
Replacement Considerations
Direct substitutes within the same series include the A4982SLPTR-T variant. Other compatible devices in the broader A498x family may offer similar functionality but require verification of pinout and electrical specifications.
