MC33975ATEK

Product Overview

• Category: Integrated Circuit (IC)
• Use: Motor driver
• Characteristics:
  • High voltage capability
  • Low quiescent current
  • Overcurrent protection
  • Thermal shutdown
• Package: TSSOP-16
• Essence: MC33975ATEK is a motor driver IC designed for high voltage applications with features like overcurrent protection and thermal shutdown.
• Packaging/Quantity: The MC33975ATEK is available in a TSSOP-16 package and is typically sold in reels of 2500 units.

Specifications

• Operating Voltage Range: 5.5V to 28V
• Output Current: Up to 1.5A continuous, 2.5A peak
• Quiescent Current: 50µA (typical)
• Overcurrent Protection Threshold: Adjustable from 0.5A to 3.5A
• Thermal Shutdown Temperature: 165°C (typical)

Pin Configuration

The MC33975ATEK has a total of 16 pins arranged as follows:

```

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| | | 1 16 | | | | 2 15 | | | | 3 14 | | | | 4 13 | | | | 5 12 | | | | 6 11 | | | | 7 10 | | | | 8 9 | |_______________| ```

Functional Features

• High Voltage Capability: The MC33975ATEK can handle voltages up to 28V, making it suitable for a wide range of motor applications.
• Low Quiescent Current: With a typical quiescent current of 50µA, the IC minimizes power consumption when not actively driving the motor.
• Overcurrent Protection: The overcurrent protection feature allows the MC33975ATEK to detect and limit excessive current flowing through the motor, preventing damage.
• Thermal Shutdown: In case of excessive temperature, the thermal shutdown feature activates, protecting the IC from overheating and potential failure.

Advantages and Disadvantages

Advantages: - High voltage capability enables use in various motor applications. - Low quiescent current reduces power consumption. - Overcurrent protection prevents motor damage. - Thermal shutdown protects the IC from overheating.

Disadvantages: - Limited output current compared to some other motor driver ICs. - TSSOP-16 package may require careful PCB layout design.

Working Principles

The MC33975ATEK is a motor driver IC that utilizes H-Bridge configuration to control the direction and speed of a motor. It consists of four power MOSFETs arranged in an H-Bridge configuration, allowing bidirectional control of the motor. By controlling the input signals to the IC, the motor can be driven forward, reverse, or stopped.

Detailed Application Field Plans

The MC33975ATEK is commonly used in various applications requiring motor control, such as:

1. Robotics: Controlling motors in robotic systems for movement and manipulation.
2. Automotive: Motor control in automotive systems like power windows, seat adjustments, and mirror positioning.
3. Industrial Automation: Motor control in industrial machinery, conveyors, and actuators.
4. Home Appliances: Controlling motors in appliances like washing machines, vacuum cleaners, and fans.

Detailed and Complete Alternative Models

1. L293D: Dual H-Bridge motor driver IC with similar features and pin configuration.
2. DRV8833: Dual H-Bridge motor driver IC with integrated current sensing and low voltage capability.
3. TB6612FNG: Dual H-Bridge motor driver IC with built-in protection circuits and compact package.

These alternative models offer similar functionality to the MC33975ATEK and can be considered as alternatives based on specific requirements and application constraints.

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