DRV8703QRHBTQ1

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High-performance motor driver - Designed for automotive applications - Supports brushed DC motors and stepper motors - Provides efficient motor control with low power dissipation - Offers protection features for safe operation

Package: QFN (Quad Flat No-Lead)

Essence: The DRV8703QRHBTQ1 is a highly integrated motor driver IC specifically designed for automotive applications. It provides efficient and reliable motor control for brushed DC motors and stepper motors, making it suitable for a wide range of automotive systems.

Packaging/Quantity: The DRV8703QRHBTQ1 is available in a QFN package and is typically sold in reels or tubes.

Specifications

• Operating Voltage Range: 6V to 45V
• Output Current: Up to 3A
• Number of Outputs: 1
• Control Interface: PWM, SPI, or Parallel
• Fault Protection Features: Overcurrent, Overtemperature, Undervoltage, and Short-Circuit Protection
• Operating Temperature Range: -40°C to 150°C

Pin Configuration

The DRV8703QRHBTQ1 has the following pin configuration:

1. VCP - Charge Pump Capacitor Connection
2. VM - Motor Power Supply Voltage
3. GND - Ground
4. VREF - Reference Voltage Output
5. IN1 - Input 1
6. IN2 - Input 2
7. OUT - Motor Output
8. SLP - Sleep Mode Control
9. CS - Current Sense Output
10. FAULT - Fault Indicator Output
11. VCC - Logic Power Supply Voltage
12. EN - Enable Input

Functional Features

• High-efficiency motor control
• Adjustable current limit
• Fault protection for safe operation
• Sleep mode for power saving
• Flexible control interface options (PWM, SPI, or Parallel)
• Integrated charge pump for low voltage operation

Advantages and Disadvantages

Advantages: - High-performance motor control - Wide operating voltage range - Comprehensive fault protection features - Compact and integrated design - Suitable for automotive applications

Disadvantages: - Limited output current (up to 3A)

Working Principles

The DRV8703QRHBTQ1 operates by receiving control signals from a microcontroller or other control devices through its control interface pins. It amplifies and regulates the input signals to drive the connected motor efficiently. The integrated current sense amplifier provides feedback for accurate current control. The device also incorporates various fault protection mechanisms to ensure safe operation.

Detailed Application Field Plans

The DRV8703QRHBTQ1 is widely used in automotive systems that require precise and efficient motor control. Some of the common application fields include:

1. Electric Power Steering (EPS) Systems
2. HVAC Blower Control
3. Fuel Pump Control
4. Window Lifts and Sunroof Control
5. Seat Adjustment Systems
6. Mirror Positioning Systems
7. Headlamp Leveling Systems

Detailed and Complete Alternative Models

1. DRV8701 - Similar motor driver IC with lower output current capability.
2. DRV8702 - Motor driver IC with higher output current capability.
3. DRV8704 - Motor driver IC with additional features such as stall detection.

These alternative models offer different specifications and features to cater to specific application requirements.

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