A3979SLP
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- Mfr.Part #
- A3979SLP
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 28-TSSOP (0.173, 4.40mm Width) Exposed Pad
- Datasheet
- Download
- Description
- IC MTR DRV BIPOLR 3-5.5V 28TSSOP
- Stock
- 11,332
- In Stock ：
- 11,332
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- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Motor Drivers, Controllers
- Power Supplies :
- 3.3/535V
- Number of Terminations :
- 28
- Analog IC - Other Type :
- STEPPER MOTOR CONTROLLER
- Reach Compliance Code :
- Unknown
- Number of Outputs :
- 1
- Supply Voltage-Max (Vsup) :
- 5.5V
- Additional Feature :
- ALSO REQUIRES 8V TO 35V VBB SUPPLY
- RoHS Status :
- Non-RoHS Compliant
- Number of Pins :
- 28
- Packaging :
- Tube
- Package / Case :
- 28-TSSOP (0.173, 4.40mm Width) Exposed Pad
- Mount :
- Surface Mount
- Motor Type - Stepper :
- Bipolar
- Function :
- Driver - Fully Integrated, Control and Power Stage
- Width :
- 4.4mm
- Mounting Type :
- Surface Mount
- Base Part Number :
- A3979
- Voltage - Load :
- 8V~35V
- JESD-609 Code :
- e0
- Supply Voltage-Min (Vsup) :
- 3V
- Supply Voltage :
- 5V
- Output Configuration :
- Half Bridge (4)
- Length :
- 9.7mm
- Step Resolution :
- 1, 1/2, 1/4, 1/16
- Published :
- 2012
- Operating Temperature :
- -20°C~150°C TJ
- Lead Free :
- Contains Lead
- ECCN Code :
- EAR99
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Form :
- Gull wing
- Applications :
- GENERAL PURPOSE
- Terminal Position :
- Dual
- Interface :
- Logic
- Terminal Pitch :
- 0.65mm
- Qualification Status :
- Not Qualified
- Current - Output :
- 2.5A
- Voltage - Supply :
- 3V~5.5V
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Datasheets
- A3979SLP
Motor Drivers, Controllers Allegro MicroSystems A3979SLP Overview
The Allegro MicroSystems A3979SLP is a highly sophisticated integrated circuit designed for driving bipolar stepper motors with precision and efficiency. Engineered by Allegro MicroSystems, a leader in advanced semiconductor solutions, the A3979SLP simplifies design and boosts performance in complex motor control applications. This motor driver IC incorporates dual full-bridges capable of delivering up to 35.5 V, making it ideal for applications requiring reliable high voltage operations. Its integration into a compact 28-TSSOP package allows for space-saving designs while maintaining robust functionality and thermal efficiency. Utilizing the Motor Drivers, Controllers Allegro MicroSystems A3979SLP ensures superior control, enhanced durability, and exceptional performance, making it a top choice for B2B customers looking to purchase in volume for high-demand environments.
A3979SLP Features
The A3979SLP boasts a range of features designed to enhance its effectiveness in driving bipolar stepper motors. Key features include a peak output current of up to ±2.5 A, an internal fixed off-time PWM current controller that manages current decay, and crossover-current protection. Additionally, the device is equipped with thermal shutdown and under-voltage lockout functionalities, further ensuring reliable operation under diverse electrical conditions. Its compatibility with microprocessor-controlled operations through simple step and direction inputs further underscores its versatility in complex automation tasks.
A3979SLP Applications
- 3D Printers: Utilizes the A3979SLP for precise motor control to ensure accurate movement and layering in additive manufacturing processes.
- CNC Machines: The high voltage and current capabilities provide the power needed for controlling stepper motors in computer numerical control machinery, enhancing precision in cutting and shaping materials.
- Robotic Arms: Employs the A3979SLP's accurate stepping and direction controls to manage robotic movements, crucial for assembly lines and automated processes.
- Automated Guided Vehicles (AGVs): Takes advantage of the compact design and robust output for controlling the motors of AGVs in material handling and logistics, ensuring efficient pathfinding and load management.
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