SLA7071MPRT

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High-performance motor driver IC - Designed for driving bipolar stepper motors - Suitable for various applications requiring precise motor control

Package: Multiwatt15

Essence: The SLA7071MPRT is a versatile motor driver IC that provides efficient and accurate control for bipolar stepper motors.

Packaging/Quantity: The SLA7071MPRT is available in a Multiwatt15 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 12V to 46V
• Output Current: Up to 3.5A per phase
• Operating Temperature Range: -40°C to +150°C
• Logic Input Voltage: 3.3V to 5V
• Step Modes: Full, Half, Quarter, Eighth, and Sixteenth

Detailed Pin Configuration

The SLA7071MPRT has the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. OUT1 - Output 1 of motor coil A
4. OUT2 - Output 2 of motor coil A
5. OUT3 - Output 1 of motor coil B
6. OUT4 - Output 2 of motor coil B
7. REF - Reference voltage input for current control
8. SLEEP - Sleep mode control input
9. RESET - Reset input for internal logic
10. ENABLE - Enable input for motor driver
11. MS1 - Microstep resolution selection input 1
12. MS2 - Microstep resolution selection input 2
13. STEP - Step input for motor control
14. DIR - Direction input for motor control
15. VREF - Reference voltage output for current control

Functional Features

• Microstepping: The SLA7071MPRT supports microstepping, allowing for smoother and more precise motor movements.
• Current Control: It incorporates a current control mechanism to regulate the motor coil currents, ensuring optimal performance and preventing overheating.
• Sleep Mode: The sleep mode feature allows for power-saving when the motor is not in use.
• Reset Function: The internal logic can be reset using the RESET pin, providing a convenient way to restart or initialize the motor driver.
• Enable Control: The ENABLE pin enables or disables the motor driver, providing flexibility in controlling motor operation.

Advantages and Disadvantages

Advantages: - High-performance motor control - Wide operating voltage range - Support for various microstep resolutions - Thermal shutdown protection - Compact package size

Disadvantages: - Requires external components for complete motor control system - Limited to bipolar stepper motor applications

Working Principles

The SLA7071MPRT operates by receiving step and direction signals from an external controller. These signals determine the rotation direction and step size of the connected bipolar stepper motor. The motor driver then generates the necessary current waveforms to drive the motor coils, resulting in precise motor movements.

Detailed Application Field Plans

The SLA7071MPRT finds applications in various fields that require accurate motor control, including: - Robotics - CNC machines - 3D printers - Industrial automation - Medical equipment - Automotive systems

Detailed and Complete Alternative Models

• A4988
• DRV8825
• TB6600
• L298N
• L293D
• SN754410

These alternative models offer similar functionality and can be considered as alternatives to the SLA7071MPRT depending on specific requirements and compatibility with the application.

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