MC33887PFK

Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High current capability - Wide operating voltage range - Built-in protection features - Compact package size

Package: Power SOIC-20

Essence: The MC33887PFK is a motor driver IC designed to control the speed and direction of DC motors.

Packaging/Quantity: The MC33887PFK is available in a Power SOIC-20 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Operating Voltage Range: 5V to 28V
• Maximum Continuous Output Current: 5A
• Peak Output Current: 10A
• Number of Outputs: 1
• Control Interface: Parallel
• Thermal Shutdown Protection: Yes
• Overcurrent Protection: Yes
• Under Voltage Lockout: Yes

Pin Configuration

The MC33887PFK has a total of 20 pins. The pin configuration is as follows:

Pin 1: Enable Pin 2: Input 1 Pin 3: Input 2 Pin 4: Ground Pin 5: Output 1 Pin 6: Sense 1 Pin 7: Sense 2 Pin 8: VBB Pin 9: VCC Pin 10: Output 2 Pin 11: Input 3 Pin 12: Input 4 Pin 13: Ground Pin 14: Output 3 Pin 15: Sense 3 Pin 16: Sense 4 Pin 17: VBB Pin 18: VCC Pin 19: Output 4 Pin 20: Enable

Functional Features

• Bidirectional control of DC motors
• Adjustable motor speed and direction
• Overcurrent protection to prevent damage to the motor and driver
• Thermal shutdown protection to prevent overheating
• Under voltage lockout for safe operation

Advantages and Disadvantages

Advantages: - High current capability allows driving of powerful motors - Wide operating voltage range provides flexibility in various applications - Built-in protection features enhance reliability and safety - Compact package size saves board space

Disadvantages: - Limited number of outputs may restrict certain motor control configurations - Requires external components for proper operation

Working Principles

The MC33887PFK operates by receiving control signals through its input pins. These signals determine the motor speed and direction. The IC amplifies and drives the motor current accordingly, allowing precise control over the motor's behavior. The built-in protection features ensure safe operation by monitoring the motor's current and temperature.

Application Field Plans

The MC33887PFK is commonly used in various applications that require precise control of DC motors. Some potential application fields include:

1. Robotics: Controlling the movement of robotic arms and mobile robots.
2. Automotive: Powering window regulators, seat adjustments, and other motorized automotive systems.
3. Industrial Automation: Driving conveyor belts, pumps, and other industrial machinery.
4. Home Appliances: Operating fans, blowers, and other motor-driven appliances.
5. Consumer Electronics: Controlling the movement of camera lenses, disk drives, and other electronic devices.

Alternative Models

Here are some alternative models that offer similar functionality to the MC33887PFK:

1. L298N: Dual H-Bridge motor driver IC with similar specifications and pin configuration.
2. TB6612FNG: Another compact motor driver IC suitable for small to medium-sized motors.
3. DRV8833: Low-voltage motor driver IC with integrated protection features.

These alternative models can be considered based on specific application requirements and availability.

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