L6235PD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Motor Driver
• Characteristics: High voltage, high current, three-phase motor driver
• Package: PowerSO36 package
• Essence: Efficient and reliable motor control solution
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Supply Voltage: 8V to 52V
• Output Current: Up to 5A per phase
• Operating Temperature: -40°C to +150°C
• Control Interface: Parallel or serial interface
• Protection Features: Overcurrent, overtemperature, and undervoltage lockout protection

Detailed Pin Configuration

The L6235PD has a total of 36 pins. Here is a brief overview of the pin configuration:

• Pins 1-3: Phase A outputs
• Pins 4-6: Phase B outputs
• Pins 7-9: Phase C outputs
• Pins 10-12: Sense resistor inputs for phase A
• Pins 13-15: Sense resistor inputs for phase B
• Pins 16-18: Sense resistor inputs for phase C
• Pins 19-21: Ground
• Pins 22-24: VREF voltage reference inputs
• Pins 25-27: Logic power supply inputs
• Pins 28-30: Serial communication interface
• Pins 31-33: Enable inputs for phases A, B, and C
• Pins 34-36: Supply voltage inputs

For a more detailed pin configuration diagram, please refer to the datasheet.

Functional Features

• Three-phase motor control with integrated power bridges
• Adaptive decay control for improved efficiency
• Programmable speed profile and acceleration/deceleration ramps
• Fault detection and protection mechanisms
• Integrated current sensing for accurate control

Advantages and Disadvantages

Advantages: - High voltage and current capability - Efficient motor control solution - Comprehensive protection features - Programmable speed and acceleration profiles

Disadvantages: - Requires external components for complete motor control system - Relatively large package size

Working Principles

The L6235PD is designed to drive three-phase brushless DC motors. It utilizes integrated power bridges to control the motor phases. The IC receives control signals from a microcontroller or other control circuitry, which determine the motor speed and direction. By modulating the power delivered to each phase, the IC can precisely control the motor's rotation.

Detailed Application Field Plans

The L6235PD is commonly used in various applications that require efficient and reliable motor control. Some of the typical application fields include:

1. Robotics: Controlling the movement of robotic arms and joints.
2. Industrial Automation: Driving conveyor belts, pumps, and other industrial machinery.
3. Electric Vehicles: Controlling the motors in electric cars, bikes, and scooters.
4. HVAC Systems: Regulating the fans and blowers in heating, ventilation, and air conditioning systems.
5. Appliances: Controlling the motors in appliances like washing machines, dishwashers, and refrigerators.

Detailed and Complete Alternative Models

1. L6234PD: Similar to L6235PD but with lower output current capability (up to 3A per phase).
2. DRV8305: Three-phase motor driver with integrated power bridges and advanced protection features.
3. A4950: High-current, three-phase motor driver with integrated current sensing and fault detection.

These alternative models offer similar functionality and can be considered as alternatives to the L6235PD based on specific requirements.

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