A4987SESTR-T
- Mfr.Part #
- A4987SESTR-T
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 24-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MTR DRVR BIPOLAR 3-5.5V 24QFN
- Stock
- 40,677
- In Stock :
- 40,677
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- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Motor Drivers, Controllers
- Terminal Pitch :
- 0.5mm
- Base Part Number :
- A4987
- Height Seated (Max) :
- 0.8mm
- Applications :
- GENERAL PURPOSE
- JESD-609 Code :
- e3
- Mount :
- Surface Mount
- Mounting Type :
- Surface Mount
- Packaging :
- Tape and Reel (TR)
- Number of Pins :
- 24
- Step Resolution :
- 1, 1/2, 1/4
- Supply Voltage :
- 3.3V
- Voltage - Supply :
- 3V~5.5V
- Package / Case :
- 24-WFQFN Exposed Pad
- Number of Outputs :
- 1
- Interface :
- Parallel
- Number of Terminations :
- 24
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Analog IC - Other Type :
- STEPPER MOTOR CONTROLLER
- Output Voltage :
- 35V
- Supply Current-Max (Isup) :
- 4mA
- Output Configuration :
- Half Bridge (4)
- Terminal Finish :
- Matte Tin (Sn)
- Operating Temperature :
- -20°C~150°C TJ
- Voltage - Load :
- 8V~35V
- RoHS Status :
- ROHS3 Compliant
- ECCN Code :
- EAR99
- Current - Output :
- 1A
- Radiation Hardening :
- No
- Width :
- 4mm
- Function :
- Driver - Fully Integrated, Control and Power Stage
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Terminal Position :
- QUAD
- Supply Voltage-Min (Vsup) :
- 3V
- Supply Voltage-Max (Vsup) :
- 5.5V
- Peak Reflow Temperature (Cel) :
- 260
- Length :
- 4mm
- Published :
- 2005
- Factory Lead Time :
- 8 Weeks
- Motor Type - Stepper :
- Bipolar
- Pbfree Code :
- yes
- Datasheets
- A4987SESTR-T

Motor Drivers, Controllers Allegro MicroSystems A4987SESTR-T Overview
The A4987SESTR-T by Allegro MicroSystems stands as a paramount choice in the realm of Motor Drivers, Controllers, designed to efficiently handle bipolar stepper motors. This IC motor driver ensures optimal performance through its robust design capable of managing up to 35.5V and sophisticated control features embedded within a compact 24-QFN package. The product is engineered to offer reliability and high performance, making it ideal for applications demanding precise motor control and durability. Its integration facilitates simplified design architectures, reducing system complexity and enhancing overall system robustness.
A4987SESTR-T Features
The A4987SESTR-T motor driver includes several key features that make it a top choice for developers and engineers. It supports up to 35.5 volts of motor supply voltage and integrates a dual full-bridge driver optimized for stepper motor control. This component also offers overcurrent protection, thermal shutdown, and cross-conduction protection, which safeguard the device and the motor from potential damage. Additionally, its low RDS(on) outputs ensure efficient operation with reduced heat dissipation.
A4987SESTR-T Applications
- 3D Printers: Powers the stepper motors for precise and controlled movement, crucial for accurate 3D printing operations.
- Automated Guided Vehicles (AGVs): Utilized in driving the motors of AGVs for smooth and reliable navigation within industrial environments.
- Robotics: Acts as a fundamental component in robotic arms and mobile robots, providing the necessary control for precise motor manipulation.
- Office Automation Equipment: Drives stepper motors in office equipment like scanners and photocopiers, ensuring smooth and precise mechanical movements.
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