SLA7072MPR

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High-performance bipolar stepper motor driver - Suitable for driving 2-phase and 4-phase hybrid stepping motors - Provides high torque, low vibration, and low noise operation - Designed for use in various applications requiring precise motor control

Package: Multiwatt15

Essence: The SLA7072MPR is a versatile motor driver IC that offers efficient and accurate control of stepper motors. It is widely used in applications where precise positioning and smooth motion are required.

Packaging/Quantity: The SLA7072MPR is available in a Multiwatt15 package, which contains one IC per package.

Specifications

• Supply Voltage: 12V to 48V
• Output Current: Up to 3A per phase
• Logic Input Voltage: 5V TTL compatible
• Operating Temperature Range: -40°C to +125°C
• Maximum Power Dissipation: 25W

Detailed Pin Configuration

The SLA7072MPR has the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. CP1 - Clockwise pulse input
4. CP2 - Counterclockwise pulse input
5. EN - Enable input
6. M1 - Motor phase selection input
7. M2 - Motor phase selection input
8. M3 - Motor phase selection input
9. M4 - Motor phase selection input
10. OUT1 - Motor coil output 1
11. OUT2 - Motor coil output 2
12. OUT3 - Motor coil output 3
13. OUT4 - Motor coil output 4
14. VREF - Reference voltage input for current control
15. REF - Reference voltage output for current control

Functional Features

• Microstep resolution up to 1/16 step
• Adjustable motor current through VREF input
• Built-in protection features such as thermal shutdown and overcurrent detection
• Low power consumption in standby mode
• Smooth and precise motor control with minimal vibration and noise

Advantages and Disadvantages

Advantages: - High-performance motor driver with excellent torque characteristics - Versatile and suitable for various stepper motor applications - Efficient and accurate motor control - Built-in protection features ensure safe operation - Low power consumption in standby mode

Disadvantages: - Limited maximum output current of 3A per phase - Requires external components for proper operation - Relatively high cost compared to some other motor driver ICs

Working Principles

The SLA7072MPR operates by receiving pulse signals from the CP1 and CP2 inputs, which determine the direction and speed of the motor rotation. The M1-M4 inputs are used to select the motor phase, allowing the driver to control the stepping sequence. The motor current can be adjusted through the VREF input, enabling precise control of the motor's torque.

Detailed Application Field Plans

The SLA7072MPR is widely used in various applications that require precise motor control, including:

1. Robotics: Used in robotic systems for accurate positioning and smooth motion control.
2. CNC Machines: Enables precise control of stepper motors in computer numerical control (CNC) machines for accurate machining operations.
3. 3D Printers: Provides precise control of stepper motors in 3D printers, ensuring accurate layer-by-layer printing.
4. Automated Equipment: Used in automated equipment and machinery for precise movement and positioning tasks.
5. Medical Devices: Enables precise control of motors in medical devices such as surgical robots and diagnostic equipment.

Detailed and Complete Alternative Models

1. SLA7070MPR: Similar motor driver IC with lower output current capability (up to 2A per phase).
2. SLA7071MPR: Motor driver IC with higher output current capability (up to 4A per phase) for applications requiring more torque.
3. SLA7073MPR: Motor driver IC with additional features such as built-in microstepping and current sensing capabilities.

These alternative models provide options with varying specifications and features to suit different application requirements.

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