L6228PD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Motor Driver
• Characteristics: High voltage, high current, bipolar stepper motor driver
• Package: PowerSO24 package
• Essence: Efficient and reliable motor control solution
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier

Specifications

• Operating Voltage: 8V to 52V
• Output Current: Up to 2.8A per phase
• Output Voltage: Up to 52V
• Number of Outputs: 2
• Control Interface: Parallel or serial interface
• Protection Features: Thermal shutdown, overcurrent protection, undervoltage lockout

Detailed Pin Configuration

The L6228PD has a total of 24 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 reference
5. VREF - Reference voltage output
6. REF - Reference voltage input
7. VCP - Charge pump voltage output
8. OUT1A - Output 1 phase A
9. OUT1B - Output 1 phase B
10. OUT2A - Output 2 phase A
11. OUT2B - Output 2 phase B
12. VCC - Logic supply voltage
13. IN1A - Input 1 phase A
14. IN1B - Input 1 phase B
15. IN2A - Input 2 phase A
16. IN2B - Input 2 phase B
17. EN1 - Enable input 1
18. EN2 - Enable input 2
19. VCP - Charge pump voltage input
20. CP2 - Charge pump capacitor connection
21. CP1 - Charge pump capacitor connection
22. VCP - Charge pump capacitor connection
23. GND - Ground reference
24. VCC - Logic supply voltage

Functional Features

• Bipolar stepper motor driver with high voltage and high current capabilities
• Supports microstepping up to 1/16th step resolution
• Adjustable output current through external resistors
• Overcurrent protection and thermal shutdown for enhanced safety
• Parallel or serial interface for easy control and integration

Advantages and Disadvantages

Advantages

• High voltage and current capability allows driving a wide range of stepper motors
• Efficient motor control solution with adjustable output current
• Supports microstepping for smoother motor operation
• Protection features enhance system safety

Disadvantages

• Requires external resistors for adjusting output current
• Limited number of outputs (2) may restrict certain applications requiring more outputs

Working Principles

The L6228PD is a bipolar stepper motor driver that utilizes a combination of power MOSFETs and integrated circuitry to control the motor. It operates by receiving control signals from a microcontroller or other control device, which determine the direction and speed of the motor. The driver converts these control signals into appropriate voltage and current levels to drive the motor coils. By controlling the timing and sequence of these signals, the driver can accurately control the rotation and position of the stepper motor.

Detailed Application Field Plans

The L6228PD is commonly used in various applications that require precise control of stepper motors. Some of the typical application fields include:

1. Robotics: The driver can be used in robotic systems to control the movement of robot arms, joints, and other motorized components.
2. CNC Machines: It finds application in computer numerical control (CNC) machines for precise positioning and movement control of cutting tools, spindles, and other motor-driven parts.
3. 3D Printers: The driver is used in 3D printers to control the movement of the print head and build platform, enabling accurate and intricate printing.
4. Automated Equipment: It can be employed in automated equipment such as conveyor systems, packaging machines, and assembly lines for precise and controlled movement of components.

Detailed and Complete Alternative Models

1. L6208PD: Similar to L6228PD but with lower output current capability (up to 2A per phase).
2. L6470: Integrated stepper motor driver with built-in motion controller and microstepping support.
3. DRV8825: Stepper motor driver with adjustable current control and up to 1/32 microstepping resolution.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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