DRV8701PRGET

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High-performance motor driver - Designed for brushed DC motors - Provides bidirectional control of a single motor or unidirectional control of two motors - Suitable for various applications requiring precise motor control

Package: QFN (Quad Flat No-Lead) package

Essence: The DRV8701PRGET is a high-performance motor driver IC designed to control brushed DC motors. It offers bidirectional control of a single motor or unidirectional control of two motors, making it suitable for a wide range of applications that require precise motor control.

Packaging/Quantity: The DRV8701PRGET is available in a QFN package. Each package contains one motor driver IC.

Specifications

• Operating Voltage Range: 6V to 45V
• Output Current: Up to 3.5A continuous (per channel)
• Peak Output Current: Up to 7A (per channel)
• Number of Channels: 2
• Control Interface: Parallel
• Fault Protection Features: Overcurrent, Overtemperature, Undervoltage, and Short-Circuit Protection

Detailed Pin Configuration

The DRV8701PRGET has the following pin configuration:

1. VCP - Charge pump output voltage
2. GND - Ground
3. VREG - Internal regulator output voltage
4. VM - Motor supply voltage
5. OUTB - Motor B output
6. OUTA - Motor A output
7. VREF - Reference voltage input
8. VCP - Charge pump input voltage
9. ENBL - Enable input
10. PHASE - Phase input
11. nFAULT - Fault output
12. GND - Ground

Functional Features

• Bidirectional control of a single motor or unidirectional control of two motors
• Adjustable current limit and dead time for precise motor control
• Fault protection features ensure safe operation
• Internal charge pump for gate drive voltage generation
• Parallel control interface simplifies integration with microcontrollers

Advantages and Disadvantages

Advantages: - High-performance motor driver for precise control - Suitable for various applications requiring bidirectional or unidirectional motor control - Adjustable current limit and dead time for customization - Fault protection features enhance safety - Easy integration with microcontrollers through parallel control interface

Disadvantages: - Limited to brushed DC motor control - Requires external components for proper operation

Working Principles

The DRV8701PRGET operates by receiving control signals from a microcontroller through its parallel control interface. It generates the necessary gate drive voltages using an internal charge pump. The motor outputs (OUTA and OUTB) are driven based on the input control signals (PHASE and ENBL). The adjustable current limit and dead time settings allow precise control over the motor's behavior.

Detailed Application Field Plans

The DRV8701PRGET can be used in various applications that require precise control of brushed DC motors. Some potential application fields include:

1. Robotics: The motor driver can be used in robotic systems to control the movement of robot arms, grippers, or mobile platforms.
2. Automotive: It can be employed in automotive applications such as electric power steering systems or window regulators.
3. Industrial Automation: The motor driver is suitable for controlling conveyor belts, pumps, or actuators in industrial automation processes.
4. Home Appliances: It can be utilized in appliances like vacuum cleaners, fans, or kitchen appliances that require motor control.

Detailed and Complete Alternative Models

1. DRV8702PRGET: Similar to DRV8701PRGET but with additional features such as integrated current sensing and SPI communication interface.
2. DRV8703PRGET: A higher-power version of the DRV8701PRGET, capable of driving motors with higher current requirements.
3. DRV8704PRGET: A dual-channel motor driver IC with integrated current sensing and fault diagnostics features.

These alternative models offer similar functionality to the DRV8701PRGET but may have additional features or higher power capabilities depending on the specific application requirements.

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