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DRV8846RGER
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DRV8846RGER

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High-performance motor driver - Designed for 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: QFN-24

Essence: The DRV8846RGER is a highly efficient motor driver IC that allows for precise control of brushed DC motors. It offers bidirectional control for one motor or unidirectional control for two motors, making it versatile for various applications.

Packaging/Quantity: The DRV8846RGER is available in a QFN-24 package. It is typically sold in reels containing multiple units.

Specifications

  • Operating Voltage Range: 2.5V to 18V
  • Output Current: Up to 3A per channel
  • Maximum PWM Frequency: 250kHz
  • Thermal Shutdown Protection
  • Overcurrent Protection
  • Undervoltage Lockout
  • Fault Detection and Reporting

Pin Configuration

The DRV8846RGER has a total of 24 pins. The pin configuration is as follows:

  1. VCP - Charge pump output voltage
  2. CP1 - Charge pump capacitor connection
  3. CP2 - Charge pump capacitor connection
  4. GND - Ground
  5. VREF - Reference voltage for current regulation
  6. ISEN1 - Current sense input for motor 1
  7. IOUT1 - Motor 1 output
  8. VM1 - Motor 1 supply voltage
  9. VCC - Logic supply voltage
  10. EN1 - Enable input for motor 1
  11. PH1 - Phase input for motor 1
  12. IN1 - Input for motor 1
  13. GND - Ground
  14. VCP - Charge pump output voltage
  15. CP1 - Charge pump capacitor connection
  16. CP2 - Charge pump capacitor connection
  17. GND - Ground
  18. VREF - Reference voltage for current regulation
  19. ISEN2 - Current sense input for motor 2
  20. IOUT2 - Motor 2 output
  21. VM2 - Motor 2 supply voltage
  22. EN2 - Enable input for motor 2
  23. PH2 - Phase input for motor 2
  24. IN2 - Input for motor 2

Functional Features

  • Bidirectional control of one motor or unidirectional control of two motors
  • Adjustable current regulation for precise motor control
  • Fault detection and reporting for enhanced safety
  • Thermal shutdown protection to prevent overheating
  • Undervoltage lockout to ensure proper operation under low voltage conditions

Advantages and Disadvantages

Advantages: - High-performance motor driver with efficient power management - Versatile control options for various motor configurations - Comprehensive fault detection and protection features - Compact package size for space-constrained applications

Disadvantages: - Limited to brushed DC motor applications - Requires external components for complete motor control system

Working Principles

The DRV8846RGER operates by regulating the current flowing through the connected motor(s). It uses a charge pump to generate a higher voltage for driving the motor(s) efficiently. The IC receives control signals from an external microcontroller or other control circuitry to determine the direction and speed of the motor(s). By adjusting the current regulation, the DRV8846RGER allows for precise control of the motor(s) in both forward and reverse directions.

Detailed Application Field Plans

The DRV8846RGER is suitable for a wide range of applications that require precise control of brushed DC motors. Some potential application fields include:

  1. Robotics: The DRV8846RGER can be used in robotic systems to control the movement of various motor-driven components, such as robot arms or wheels.

  2. Automotive: It can be employed in automotive applications for controlling window regulators, seat adjustments, or HVAC system actuators.

  3. Industrial Automation: The IC can be utilized in industrial automation equipment, such as conveyor belts, pumps, or valves, to achieve accurate motor control.

  4. Consumer Electronics: The DRV8846RGER can find application in consumer electronics devices that require motor control, such as camera lens positioning, drones, or home appliances.

Detailed and Complete Alternative Models

  1. L293D: A popular motor driver IC suitable for driving small DC motors with bidirectional control.

  2. TB6612FNG: Another motor driver IC capable of driving two DC motors with bidirectional control. It offers built-in protection features.

  3. SN754410: A versatile motor driver IC that can drive various types of motors, including DC motors and stepper motors.

  4. A4988: A stepper motor driver IC designed for precise control of bipolar stepper motors.

Liste 10 perguntas e respostas comuns relacionadas à aplicação de DRV8846RGER em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of DRV8846RGER in technical solutions:

  1. Q: What is DRV8846RGER? A: DRV8846RGER is a motor driver IC (integrated circuit) designed for driving brushed DC motors or stepper motors in various applications.

  2. Q: What is the maximum voltage rating of DRV8846RGER? A: The maximum voltage rating of DRV8846RGER is typically 45V, making it suitable for a wide range of motor applications.

  3. Q: Can DRV8846RGER drive both brushed DC motors and stepper motors? A: Yes, DRV8846RGER can drive both brushed DC motors and stepper motors, providing flexibility in motor control applications.

  4. Q: What is the maximum current rating of DRV8846RGER? A: DRV8846RGER has a maximum current rating of typically 2.5A, allowing it to handle moderate to high current motor loads.

  5. Q: Does DRV8846RGER support PWM (Pulse Width Modulation) control? A: Yes, DRV8846RGER supports PWM control, enabling precise speed and torque control of the connected motor.

  6. Q: Can DRV8846RGER operate in both forward and reverse directions? A: Yes, DRV8846RGER can operate in both forward and reverse directions, allowing bidirectional motor control.

  7. Q: Is DRV8846RGER compatible with microcontrollers or other digital control systems? A: Yes, DRV8846RGER is compatible with microcontrollers and other digital control systems, making it easy to integrate into existing designs.

  8. Q: Does DRV8846RGER have built-in protection features? A: Yes, DRV8846RGER includes built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  9. Q: Can DRV8846RGER be used in battery-powered applications? A: Yes, DRV8846RGER can be used in battery-powered applications as it has a wide operating voltage range and low power consumption.

  10. Q: Are there any application examples for DRV8846RGER? A: Yes, DRV8846RGER can be used in various applications such as robotics, industrial automation, home appliances, and automotive systems.

Please note that the answers provided here are general and may vary depending on specific design requirements and datasheet specifications.