L6482H

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High voltage capability - Low power consumption - Compact size - Robust protection features

Package: PowerSO36

Essence: The L6482H is a high voltage stepper motor driver IC designed for industrial applications. It provides precise control and efficient operation of stepper motors.

Packaging/Quantity: The L6482H is available in a PowerSO36 package, which contains one IC per package.

Specifications

• Supply Voltage Range: 8V to 85V
• Output Current: Up to 3.5A
• Maximum Step Frequency: 250 kHz
• Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The L6482H has the following pin configuration:

1. VCP - Charge Pump Capacitor Voltage
2. CP1 - Charge Pump Capacitor Connection
3. CP2 - Charge Pump Capacitor Connection
4. GND - Ground
5. VREF - Reference Voltage
6. REF - Reference Voltage Input
7. VCC - Logic Supply Voltage
8. STBY/RESET - Standby/Reset Input
9. DIR - Direction Input
10. STEP - Step Input
11. FLAG - Fault Output
12. BUSY - Busy Output
13. SDO - Serial Data Output
14. SDI - Serial Data Input
15. SCK - Serial Clock Input
16. CS - Chip Select Input
17. VCP - Charge Pump Capacitor Voltage
18. CP1 - Charge Pump Capacitor Connection
19. CP2 - Charge Pump Capacitor Connection
20. GND - Ground
21. VREF - Reference Voltage
22. REF - Reference Voltage Input
23. VCC - Logic Supply Voltage
24. STBY/RESET - Standby/Reset Input
25. DIR - Direction Input
26. STEP - Step Input
27. FLAG - Fault Output
28. BUSY - Busy Output
29. SDO - Serial Data Output
30. SDI - Serial Data Input
31. SCK - Serial Clock Input
32. CS - Chip Select Input
33. VCP - Charge Pump Capacitor Voltage
34. CP1 - Charge Pump Capacitor Connection
35. CP2 - Charge Pump Capacitor Connection
36. GND - Ground

Functional Features

• Microstepping: The L6482H supports up to 1/128 microstepping, allowing for smooth and precise motor control.
• Overcurrent Protection: The IC includes built-in overcurrent protection to prevent damage to the motor and driver.
• Thermal Shutdown: In case of excessive temperature, the L6482H automatically shuts down to protect itself from overheating.
• SPI Interface: The IC can be controlled through a Serial Peripheral Interface (SPI), enabling easy integration with microcontrollers.

Advantages and Disadvantages

Advantages: - High voltage capability allows for driving a wide range of stepper motors. - Low power consumption ensures energy efficiency. - Compact size facilitates space-saving designs. - Robust protection features enhance reliability and durability.

Disadvantages: - Limited maximum step frequency may not be suitable for high-speed applications. - Operating temperature range might restrict usage in extreme environments.

Working Principles

The L6482H operates by receiving control signals through its input pins, such as DIR (direction) and STEP (step). These signals determine the rotation direction and step size of the connected stepper motor. The IC generates the necessary current waveforms to drive the motor coils, achieving precise positioning and movement control.

Detailed Application Field Plans

The L6482H is commonly used in various industrial applications, including: - Robotics - CNC machines - 3D printers - Automated manufacturing systems

Detailed and Complete Alternative Models

Some alternative models to the L6482H include: - L6470 - DRV8825 - A4988 - TB6600

These alternatives offer similar functionality and can be considered based on specific application requirements.

Word count: 440 words