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A3966SLB
+NomenclatureIC MTRDRV BIPLR 4.75-5.5V 16SOIC
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FabricantAllegro microsystèmes
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Pièce fabricant #A3966SLB
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Fiche technique A3966SLB DataSheet
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Package SOIC-16
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En stock3540
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube |
| Part Status | Obsolete |
| Motor Type - Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Half Bridge (4) |
| Interface | Parallel |
| Technology | Bipolar |
| 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 |
Présentation
Description
Equivalent
Features
1. Dual H-Bridge: The device contains two independent H-bridge drivers, enabling control of two DC motors or one bipolar stepper motor.
2. PWM Control: It supports pulse-width modulation (PWM) for precise speed and torque control.
3. Current Sensing: Built-in current sensing provides protection and feedback for accurate current control.
4. Thermal Protection: Includes thermal shutdown to prevent damage from overheating.
5. Overcurrent Protection: Protects the device from damage due to excessive current.
6. Low Voltage Operation: Capable of operating at low voltages, suitable for battery-powered applications.
7. Small Package: Typically available in a compact SOIC package, making it suitable for space-constrained designs.
8. Logic Compatible Inputs: Compatible with standard logic levels, allowing easy interfacing with microcontrollers or processors.
These features make the A3966SLB versatile for various applications, including robotics, automation, and other motor-driven systems.
Pinout
1. Motor Control: It is designed to drive two separate windings of a bipolar stepper motor, enabling precise control over motor speed and direction.
2. Output Channels: The IC provides two H-bridges, each capable of delivering up to 750 mA of continuous output current per channel.
3. Microstepping: The device supports microstepping, which allows for smoother and more precise motor control by dividing each full step into smaller steps.
4. Protection Features: It includes built-in protection features such as thermal shutdown, undervoltage lockout, and crossover-current protection to enhance reliability and prevent damage.
5. Inputs and Control: The A3966SLB includes inputs for controlling the motor direction and step mode, making it compatible with a variety of control signals.
This IC is commonly used in applications requiring efficient stepper motor control, including robotics, CNC machines, and automated systems.
Manufacturer
Application
1. 3D Printers: Provides precise motor control for accurate layer deposition.
2. CNC Machines: Offers smooth motor operation for cutting and shaping materials.
3. Robotics: Enables precise movement and positioning in robotic arms and platforms.
4. Automated Machinery: Facilitates fine motor control in various industrial automation equipment.
5. Office Equipment: Used in printers and copiers for paper feed and head movement.
6. Textile Machines: Controls movement for fabric handling and stitching operations.
The device is valued for its ability to deliver high-resolution step control, reducing noise and improving efficiency in motor-driven applications.