L6235D

Product Overview

• Category: Integrated Circuit (IC)
• Use: Motor Driver
• Characteristics: High voltage, high current, three-phase motor driver
• Package: PowerSO36 package
• Essence: A versatile motor driver IC capable of driving three-phase brushless DC motors
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Operating Voltage: 8V to 52V
• Output Current: Up to 5A per phase
• Peak Output Current: Up to 10A per phase
• Control Interface: SPI (Serial Peripheral Interface)
• Protection Features: Overcurrent, overtemperature, undervoltage lockout, short-circuit protection

Detailed Pin Configuration

The L6235D has a total of 36 pins. Here is a detailed pin configuration:

1. VCP - Charge pump capacitor connection
2. CP1 - External charge pump capacitor connection
3. CP2 - External charge pump capacitor connection
4. VREF - Reference voltage output
5. VCC - Logic supply voltage
6. GND - Ground
7. VBOOT - Bootstrap diode supply voltage
8. VDD - Power supply voltage
9. UH - High-side gate drive for Phase U
10. UL - Low-side gate drive for Phase U
11. VH - High-side gate drive for Phase V
12. VL - Low-side gate drive for Phase V
13. WH - High-side gate drive for Phase W
14. WL - Low-side gate drive for Phase W
15. VCP - Charge pump capacitor connection
16. CP1 - External charge pump capacitor connection
17. CP2 - External charge pump capacitor connection
18. VREF - Reference voltage output
19. VCC - Logic supply voltage
20. GND - Ground
21. VBOOT - Bootstrap diode supply voltage
22. VDD - Power supply voltage
23. UH - High-side gate drive for Phase U
24. UL - Low-side gate drive for Phase U
25. VH - High-side gate drive for Phase V
26. VL - Low-side gate drive for Phase V
27. WH - High-side gate drive for Phase W
28. WL - Low-side gate drive for Phase W
29. VCP - Charge pump capacitor connection
30. CP1 - External charge pump capacitor connection
31. CP2 - External charge pump capacitor connection
32. VREF - Reference voltage output
33. VCC - Logic supply voltage
34. GND - Ground
35. VBOOT - Bootstrap diode supply voltage
36. VDD - Power supply voltage

Functional Features

• Three-phase motor control with integrated power bridges
• Integrated current sense amplifiers for each phase
• Adjustable slew rate for optimized switching performance
• SPI interface for easy control and configuration
• Protection features ensure safe operation

Advantages and Disadvantages

Advantages: - High voltage and current capability - Versatile motor driver for various applications - Integrated protection features enhance reliability - Adjustable slew rate for optimized performance

Disadvantages: - Requires external charge pump capacitors for proper operation - Limited to three-phase motor control applications

Working Principles

The L6235D is designed to drive three-phase brushless DC motors. It utilizes integrated power bridges to control the motor phases. The motor speed and direction are controlled through the SPI interface, which allows for easy configuration and adjustment of parameters. The integrated current sense amplifiers provide feedback on the motor current, enabling precise control and protection against overcurrent conditions.

Detailed Application Field Plans

The L6235D is commonly used in various applications that require precise control of three-phase brushless DC motors. Some of the application fields include:

1. Robotics: The motor driver is used in robotic systems to control the movement and positioning of robot arms, legs, or other mechanical components.
2. Electric Vehicles: The L6235D is employed in electric vehicle propulsion systems to drive the motor responsible for powering the wheels.
3. Industrial Automation: It finds application in industrial automation systems where precise control of motors is required for conveyor belts, robotic arms, and other machinery.
4. HVAC Systems: The motor driver is utilized in heating, ventilation, and air conditioning (HVAC) systems to control the fans and blowers.

Detailed and Complete Alternative Models

• L6234
• L6236
• L6237
• L6238
• L6239

These alternative models offer similar functionality and can be considered as alternatives to the L6235D based on specific requirements and availability.

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