A4990KLPTR-T

The A4990KLPTR-T is a dual DMOS full-bridge motor driver IC designed for controlling bipolar stepper and brushed DC motors in automotive applications. It features integrated power DMOS transistors for high efficiency and robust motor control.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCP: Motor Supply Voltage
• VCP2: Motor Supply Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the A4990KLPTR-T IC for a visual representation.

Key Features

• Dual DMOS Full-Bridge Configuration: Allows for bi-directional control of two DC motors or one stepper motor.
• Integrated Power DMOS Transistors: Ensures high efficiency and reliable motor control.
• Automotive-Grade: Designed for use in automotive applications with robust performance and durability.
• Overcurrent Protection: Includes overcurrent protection for safe operation of motors.
• Thermal Shutdown: Features thermal shutdown protection to prevent overheating.

Note: For detailed technical specifications, please refer to the A4990KLPTR-T datasheet.

Application

• Automotive Systems: Ideal for controlling motors in automotive systems such as power windows, sunroofs, and HVAC controls.
• Industrial Automation: Suitable for industrial automation applications requiring precise motor control.
• Robotics: Used in robotics for driving motion control systems and robotic arm movements.

Functionality

The A4990KLPTR-T dual DMOS full-bridge motor driver provides efficient and reliable control of bipolar stepper and brushed DC motors. It offers integrated features for safe and optimized motor operation in automotive and industrial environments.

Usage Guide

• Motor Connections: Connect the motor supply voltage (VCP, VCP2) to the motor power source.
• Control Inputs: Use the logic input control pins (nDSEL1, nDSEL2) to configure the motor direction and mode.
• Fault Monitoring: Monitor the fault indicator output (nFAULT) for detecting motor faults.

Frequently Asked Questions

Q: What is the maximum motor supply voltage supported by the A4990KLPTR-T?
A: The A4990KLPTR-T can support motor supply voltages up to 36V, making it suitable for a wide range of motor applications.

Q: Does the A4990KLPTR-T require external diodes for motor protection?
A: No, the A4990KLPTR-T features integrated overcurrent protection and does not require external diodes for motor protection.