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L6228D
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L6228D

Product Overview

  • Category: Integrated Circuit
  • Use: Motor Driver
  • Characteristics: High voltage, high current, stepper motor driver
  • Package: Multiwatt15
  • Essence: Power DMOS technology for efficient motor control
  • Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

  • Supply Voltage: 8V to 52V
  • Output Current: Up to 5A
  • Operating Temperature: -40°C to +150°C
  • Control Interface: Parallel
  • Protection Features: Thermal shutdown, overcurrent protection, undervoltage lockout

Detailed Pin Configuration

The L6228D has a total of 15 pins. The pin configuration is as follows:

  1. VCP - Charge pump capacitor connection
  2. CP1 - Charge pump capacitor connection
  3. CP2 - Charge pump capacitor connection
  4. GND - Ground
  5. VREF - Reference voltage output
  6. REF - Reference voltage input
  7. OUT1 - Output 1
  8. OUT2 - Output 2
  9. OUT3 - Output 3
  10. OUT4 - Output 4
  11. IN1 - Input 1
  12. IN2 - Input 2
  13. IN3 - Input 3
  14. IN4 - Input 4
  15. VS - Supply voltage

Functional Features

  • Full bridge driver for bipolar stepper motors
  • PWM current control with adjustable decay mode
  • Overcurrent detection and protection
  • Undervoltage lockout for reliable operation
  • Thermal shutdown to prevent overheating

Advantages and Disadvantages

Advantages: - High voltage and current capability - Efficient motor control - Protection features ensure safe operation - Adjustable decay mode for optimal performance

Disadvantages: - Limited to bipolar stepper motors - Requires external charge pump capacitors - Higher cost compared to simpler motor drivers

Working Principles

The L6228D is a full bridge driver designed for bipolar stepper motors. It utilizes power DMOS technology to efficiently control the motor. The driver receives input signals from a control interface and generates the necessary output signals to drive the motor coils. PWM current control with adjustable decay mode allows precise control of the motor's movement. The driver also incorporates protection features such as overcurrent detection, undervoltage lockout, and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The L6228D motor driver can be used in various applications that require precise control of bipolar stepper motors. Some potential application fields include:

  1. Robotics: Controlling the movement of robotic arms and joints.
  2. CNC Machines: Driving the axes of computer numerical control machines.
  3. 3D Printers: Accurate positioning and control of the printer head.
  4. Automated Equipment: Motor control in automated assembly lines and machinery.
  5. Camera Systems: Pan and tilt control in surveillance cameras.

Detailed and Complete Alternative Models

  1. L6208 - Similar motor driver with lower voltage and current ratings.
  2. L297 - Stepper motor controller with integrated driver functionality.
  3. DRV8825 - High-current stepper motor driver with adjustable current control.
  4. A4988 - Popular stepper motor driver with built-in translator.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L6228D v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L6228D in technical solutions:

  1. Q: What is L6228D? A: L6228D is a motor driver integrated circuit (IC) commonly used for driving stepper motors or brushless DC motors.

  2. Q: What is the maximum voltage rating of L6228D? A: The maximum voltage rating of L6228D is typically around 50V.

  3. Q: Can L6228D drive both bipolar and unipolar stepper motors? A: Yes, L6228D can drive both bipolar and unipolar stepper motors.

  4. Q: How many motor phases can L6228D support? A: L6228D can support up to two motor phases, making it suitable for driving bipolar stepper motors.

  5. Q: Does L6228D require external components for operation? A: Yes, L6228D requires external components such as power supply, capacitors, resistors, and diodes for proper operation.

  6. Q: What is the maximum current rating of L6228D? A: The maximum current rating of L6228D depends on the specific model variant but is typically around 2A per phase.

  7. Q: Can L6228D handle microstepping? A: Yes, L6228D supports microstepping, allowing for smoother and more precise motor control.

  8. Q: Is L6228D compatible with Arduino or other microcontrollers? A: Yes, L6228D can be easily interfaced with Arduino or other microcontrollers using digital input/output pins.

  9. Q: Does L6228D have built-in protection features? A: Yes, L6228D includes built-in protection features such as thermal shutdown, overcurrent protection, and undervoltage lockout.

  10. Q: Can L6228D be used in automotive applications? A: Yes, L6228D is suitable for automotive applications as it can handle the required voltage and current levels while providing reliable motor control.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of L6228D.