A3955SLB
Integrated Circuit for Motor ControlA3955SLB
Integrated Circuit for Motor Control
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Manufacturer Part # : A3955SLB
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Package/Case: SOP-16
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Brand: Allegro MicroSystems
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Product Categories : Motor Drivers, Controllers
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Series : A3955
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Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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A3955SLB DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Interested Parts
A3955SLB Details
The A3955SLB is a stepper motor driver IC designed for precise and efficient motor control in various applications. This driver offers microstepping capability, ensuring smooth and accurate motion control. It is suitable for driving bipolar stepper motors, providing high reliability and performance.
Pinout
- 1 (VDD): Power Supply Voltage
- 2 (GND): Ground
- 3 (OUT1A): Output Coil 1 Phase A
- 4 (OUT1B): Output Coil 1 Phase B
- 5 (OUT2A): Output Coil 2 Phase A
- 6 (OUT2B): Output Coil 2 Phase B
- 7 (MODE): Microstepping Mode Selection
- 8 (NC): No Connection
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- Microstepping Capability: Enables smooth and precise motion control.
- Bipolar Stepper Motor Support: Designed for driving bipolar stepper motors.
- High Reliability: Offers reliable performance for continuous operation.
- Efficient Motor Control: Provides efficient current regulation for optimal motor performance.
- Compact Design: Housed in a compact package for easy integration into motor control systems.
Application
- Robotics: Ideal for precise motion control in robotic systems.
- 3D Printers: Used in 3D printers for accurate positioning and movement.
- CNC Machines: Suitable for CNC machines for precise machining operations.
Where to Use
The A3955SLB is suitable for applications requiring accurate and efficient stepper motor control. It is commonly used in robotics, 3D printers, CNC machines, and other automated systems that rely on precise motion control.
How to Use
Connect the A3955SLB to your stepper motor by wiring the output coils and mode selection pins accordingly. Provide the necessary power supply voltage and ground connections. Adjust the microstepping mode as needed for your application. For detailed usage instructions, refer to the datasheet.
Equivalents
- DRV8825: A comparable stepper motor driver offering similar features and performance.
- L298N: An alternative motor driver IC with similar functionality for stepper motor control.
Complementary
The A3955SLB can be complemented by the A3982SLB, which provides advanced features such as current limiting and thermal shutdown protection, enhancing motor driver capabilities for demanding applications.
When selecting complementary motor drivers, ensure compatibility and alignment with your specific motor control requirements for optimal performance.
Frequently Asked Questions
Q: Can the A3955SLB drive multiple stepper motors simultaneously?
A: The A3955SLB is designed to drive a single bipolar stepper motor efficiently. For applications requiring control of multiple motors, additional driver units may be needed.
Q: What is the maximum current rating of the A3955SLB?
A: The A3955SLB can handle currents up to a specified maximum rating. Refer to the datasheet for detailed current handling capabilities and thermal considerations.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Name | A3955SLB | Product Type ! | Motor Driver IC |
Manufacturer | Allegro Microsystems | Motor Type | Stepper Motor or DC Motor |
Number of Motor Outputs | 2 | Supply Voltage | 5V to 50V |
Package Type | Surface-Mount SOIC-16 | Operating Temperature Range ! | -40°C to 85°C |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is A3955SLB?
The A3955SLB is a full-bridge PWM motor driver IC designed by Allegro MicroSystems. It is primarily used for controlling the speed and direction of DC motors, stepper motors, and other motor applications.
How Does A3955SLB Work?
The A3955SLB works by receiving control signals to adjust the motor speed and direction. It incorporates a full-bridge architecture along with PWM (Pulse Width Modulation) control to drive the motor efficiently. The device can handle high-current applications, making it suitable for driving motors with varying load conditions.
How Many Pins does A3955SLB have and What are the Functions of the Pinout Configuration?
The A3955SLB is typically available in a 16-pin SOIC package. The pinout configuration includes:
- VBB: Bootstrap capacitor high-voltage supply pin.
- GND: Ground pin.
- PWM A, PWM B: PWM input pins for motor speed control.
- DIR A, DIR B: Direction control pins.
- OUT A, OUT B: Motor output pins.
- Sleep: Sleep mode control input.
What are the Pros and Cons of A3955SLB?
Pros:
- High Current Capability: Capable of driving motors with high current requirements.
- Full-Bridge Architecture: Enables bidirectional control of motors for various applications.
- PWM Control: Allows precise speed control of motors through pulse width modulation.
- Thermal Shutdown Protection: Includes thermal shutdown feature to prevent overheating.
Cons:
- External Components: May require external components such as bootstrap capacitors for optimal performance.
- Complexity: Understanding the full-bridge operation and control signals may require some technical knowledge.
- Cost: Higher cost compared to simpler motor driver solutions.
Are There Any Equivalents/Alternatives to A3955SLB for Recommendation?
- Alternatives to the A3955SLB include the L298N dual H-bridge motor driver and the DRV8825 stepper motor driver.
- The A3967 from Allegro MicroSystems is a similar motor driver IC worth considering as an alternative.
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Price details
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