DRV8800PWPR

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High-performance motor driver IC - Designed for driving brushed DC motors - Provides bidirectional control of one motor or unidirectional control of two motors - Suitable for a wide range of applications requiring precise motor control

Package: PowerPAD HTSSOP (20-pin)

Essence: The DRV8800PWPR is a highly efficient motor driver IC that offers advanced features and reliable performance for driving brushed DC motors.

Packaging/Quantity: The DRV8800PWPR is available in a PowerPAD HTSSOP package, with each package containing one IC.

Specifications

• Operating Voltage Range: 2.7V to 5.5V
• Continuous Output Current: Up to 2.8A
• Peak Output Current: Up to 5.6A
• Low RDS(on) Outputs: 0.3Ω (typical)
• PWM Control Interface
• Thermal Shutdown Protection
• Undervoltage Lockout Protection

Detailed Pin Configuration

The DRV8800PWPR has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. OUTB - Output B
2. VBB - Bootstrap capacitor connection for high-side N-channel MOSFETs
3. INB - Input B
4. GND - Ground
5. INB - Input B
6. OUTB - Output B
7. VCP - Charge pump output
8. VCC - Logic power supply voltage
9. VREF - Reference voltage input
10. VREF - Reference voltage input
11. VREF - Reference voltage input
12. VREF - Reference voltage input
13. VREF - Reference voltage input
14. VREF - Reference voltage input
15. VREF - Reference voltage input
16. VREF - Reference voltage input
17. VREF - Reference voltage input
18. INB - Input B
19. OUTB - Output B
20. VBB - Bootstrap capacitor connection for high-side N-channel MOSFETs

Functional Features

• Bidirectional control of one motor or unidirectional control of two motors
• Integrated charge pump for low-side N-channel MOSFET gate drive
• Adjustable current limit and dead time
• Fault detection and protection features
• PWM control interface for precise speed and direction control
• Low RDS(on) outputs for efficient power delivery
• Thermal shutdown and undervoltage lockout protection

Advantages and Disadvantages

Advantages: - High-performance motor driver with advanced features - Wide operating voltage range allows compatibility with various power sources - Efficient power delivery with low RDS(on) outputs - Comprehensive fault detection and protection mechanisms - Flexible control options through the PWM interface

Disadvantages: - Limited to driving brushed DC motors only - Requires external bootstrap capacitors for high-side N-channel MOSFETs

Working Principles

The DRV8800PWPR operates by receiving control signals through its input pins, which are then processed to generate appropriate gate drive signals for the connected MOSFETs. These gate drive signals control the flow of current through the motor windings, enabling precise speed and direction control.

The integrated charge pump provides the necessary voltage levels for driving the low-side N-channel MOSFETs, while the external bootstrap capacitors ensure proper gate drive voltage for the high-side N-channel MOSFETs.

Detailed Application Field Plans

The DRV8800PWPR is suitable for a wide range of applications that require precise motor control. Some potential application fields include:

1. Robotics: The DRV8800PWPR can be used in robotic systems to control the movement of various joints and actuators.

2. Automotive: It can be employed in automotive applications for controlling window regulators, seat adjustments, and other motor-driven components.

3. Industrial Automation: The motor driver IC finds application in industrial automation systems for controlling conveyor belts, pumps, and other motorized equipment.

4. Home Appliances: It can be utilized in home appliances such as washing machines, vacuum cleaners, and dishwashers for efficient motor control.

Detailed and Complete Alternative Models

1. L293D: A popular motor driver IC with similar functionality and package options.
2. TB6612FNG: Another motor driver IC offering bidirectional control for one motor or unidirectional control for two motors.
3. SN754410: A versatile motor driver IC suitable for driving a wide range of motors.

These alternative models provide comparable features and can serve as substitutes for the DRV8800PWPR in various applications.

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