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A3967SLBTR
+Lista de MateriaisIC MTR DRV BIPOLAR 3-5.5V 24SOIC
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FabricanteAllegro MicroSystems
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Peça do Fabricante #A3967SLBTR
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Ficha Técnica A3967SLBTR DataSheet
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Pacote SOIC-24
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Em Estoque5033
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR) |
| Part Status | Obsolete |
| Motor Type - Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Half Bridge (4) |
| Interface | Logic |
| Technology | Bipolar |
| Step Resolution | 1, 1/2, 1/4, 1/8 |
| Applications | General Purpose |
| Current - Output | 750mA |
| Voltage - Supply | 3V ~ 5.5V |
| Voltage - Load | 4.75V ~ 30V |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include built-in translator circuitry, which simplifies the interface between the microcontroller and the motor driver, allowing for step, direction control without the need for complex code. The A3967SLBTR supports different stepping modes, including full, half, quarter, and eighth steps, enhancing versatility in motor control applications.
The IC also includes a range of protective features such as thermal shutdown, undervoltage lockout, and crossover-current protection. Its compact package makes it suitable for space-constrained designs in applications such as printers, scanners, and robotics. The A3967SLBTR is typically used in consumer electronics, automation equipment, and other devices requiring efficient and reliable stepper motor control.
Equivalent
1. DRV8825 from Texas Instruments
2. L298N from STMicroelectronics
3. TB6612FNG from Toshiba
4. ULN2003 for simpler stepper motor control applications
These alternatives may have different specifications, so it's essential to verify compatibility with your specific application requirements.
Features
1. Microstepping Control: Supports full, half, quarter, and eighth-step modes, providing precise control over motor movements.
2. Motor Voltage: Operates with motor supply voltages up to 30V, allowing for flexible integration into various systems.
3. Current Control: Capable of handling peak output current up to 750mA per phase while employing a constant current control technique to optimize performance.
4. Built-in Translator: Simplifies step and direction control, reducing the need for complex interface circuitry.
5. Thermal Protection: Includes over-temperature shutdown and thermal warning features to prevent damage due to overheating.
6. Overcurrent Protection: Protects against excessive current draw, enhancing reliability and longevity.
7. Compact Package: Available in a small SOIC package, suited for space-constrained applications.
8. Low RDS(on): Features low resistance on the MOSFET drivers, improving efficiency and reducing heat generation.
These features make the A3967SLBTR suitable for applications requiring precision motor control, such as 3D printers and CNC machines.
Pinout
Key functions and features include:
1. Microstepping: Provides up to 8 microsteps per full step, allowing for smoother and more precise motor control.
2. Current Control: Features adjustable current control for each phase of the motor, which can be set via external components.
3. Internal PWM Current Control: Helps to maintain the set current level, ensuring efficient operation.
4. Direction Control: Allows the motor to rotate in either direction.
5. Step Control: Takes input signals to determine the stepping rate.
6. Fault Protection: Includes protections such as thermal shutdown, under-voltage lockout, and crossover-current protection.
The A3967 is typically used in applications like printers, scanners, and other devices requiring precise motor control.