VNH7100ASTR

Product Overview

Category

VNH7100ASTR belongs to the category of integrated circuits (ICs) specifically designed for motor control applications.

Use

This product is primarily used for controlling and driving DC motors, making it suitable for a wide range of applications such as robotics, automotive systems, industrial automation, and more.

Characteristics

• High current capability: The VNH7100ASTR can handle currents up to 30A, allowing it to drive powerful motors.
• Low voltage drop: With a low on-resistance, this IC minimizes power loss and ensures efficient motor control.
• Built-in protection features: The device incorporates various protection mechanisms like overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing system reliability.

Package

The VNH7100ASTR is available in a compact and industry-standard PowerSSO-36 package. This package offers excellent thermal dissipation properties, ensuring reliable operation even under high load conditions.

Essence

The essence of VNH7100ASTR lies in its ability to provide robust and efficient motor control, enabling precise and reliable movement in various applications.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specified quantity of ICs, usually ranging from 50 to 100 units per package.

Specifications

• Operating Voltage Range: 5.5V - 36V
• Continuous Output Current: Up to 30A
• Peak Output Current: Up to 60A
• On-Resistance (per channel): 19mΩ (typical)
• PWM Frequency: Up to 20kHz
• Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The VNH7100ASTR features a total of 36 pins, which are assigned to different functions. Here is a detailed pin configuration:

1. OUTA: Motor A Output
2. VCC: Logic Supply Voltage
3. GND: Ground
4. IN1: Input 1 for Motor A
5. IN2: Input 2 for Motor A
6. ENA: Enable Input for Motor A
7. CS: Current Sense Output for Motor A
8. VREF: Reference Voltage Output
9. VCP: Charge Pump Capacitor
10. VBB: Bootstrap Voltage
11. VS: Power Supply Voltage
12. OUTB: Motor B Output
13. IN3: Input 1 for Motor B
14. IN4: Input 2 for Motor B
15. ENB: Enable Input for Motor B
16. CS: Current Sense Output for Motor B 17-36: Not Connected

Functional Features

• Dual Full-Bridge Configuration: The VNH7100ASTR incorporates two independent full-bridge channels, allowing simultaneous control of two DC motors.
• PWM Control: The device supports pulse-width modulation (PWM) control, enabling precise speed and direction regulation of the connected motors.
• Fault Detection and Protection: It features built-in fault detection mechanisms that protect against overcurrent, overtemperature, and undervoltage conditions, ensuring safe operation.

Advantages and Disadvantages

Advantages

• High current handling capability enables driving powerful motors.
• Low voltage drop minimizes power loss and enhances efficiency.
• Integrated protection features enhance system reliability.
• Compact package with excellent thermal dissipation properties.

Disadvantages

• Limited to DC motor control applications.
• Relatively high cost compared to simpler motor control solutions.

Working Principles

The VNH7100ASTR operates based on the H-bridge topology, which allows bidirectional control of the connected DC motors. By controlling the input signals to the bridge, the IC can regulate the motor speed and direction. The PWM control technique further enables precise control over the motor's rotational speed.

Detailed Application Field Plans

The VNH7100ASTR finds extensive use in various application fields, including:

1. Robotics: This IC is widely employed in robotic systems for controlling the movement of robot arms, wheels, and other motorized components.
2. Automotive Systems: It is utilized in automotive applications such as electric power steering, seat adjustment mechanisms, and window control systems.
3. Industrial Automation: The VNH7100ASTR plays a crucial role in industrial automation, powering conveyor belts, robotic arms, and other motor-driven equipment.
4. Home Appliances: It can be found in appliances like washing machines, vacuum cleaners, and air conditioning units, where precise motor control is essential.

Detailed and Complete Alternative Models

• L298N: A popular alternative with similar functionality, commonly used in hobbyist projects and small-scale applications.
• DRV8871: Another alternative offering high current capability and advanced protection features, suitable for demanding motor control applications.
• TB6612FNG: A compact alternative designed for low-power motor control applications, often