DRV2511QDAPRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The DRV2511QDAPRQ1 is a high-voltage, automotive-grade, single-channel H-bridge motor driver. It is specifically designed for use in automotive applications such as electric power steering, HVAC blowers, and other high-current motor control systems.

Characteristics: - High-voltage operation: Supports voltages up to 60V - Current sensing: Built-in current sense amplifier for accurate current measurement - Protection features: Overcurrent protection, overtemperature shutdown, and undervoltage lockout - Diagnostic features: Fault detection and reporting capabilities - PWM control: Allows precise speed and direction control of the motor - Automotive-grade: Compliant with AEC-Q100 standards for reliability in automotive environments

Package: The DRV2511QDAPRQ1 comes in a small, surface-mount PowerPAD package, which provides excellent thermal dissipation and allows for easy integration into space-constrained designs.

Essence: This motor driver IC enables efficient and reliable control of high-voltage motors in automotive applications, ensuring smooth and precise motor operation while offering robust protection features.

Packaging/Quantity: The DRV2511QDAPRQ1 is available in tape and reel packaging, with 250 units per reel.

Specifications

• Operating Voltage Range: 8V to 60V
• Output Current: Up to 2A continuous, 3.5A peak
• Standby Current: 10µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Fault Detection and Reporting: Overcurrent, overtemperature, undervoltage
• PWM Frequency: Up to 20kHz
• Package Type: PowerPAD HTSSOP-24

Detailed Pin Configuration

The DRV2511QDAPRQ1 features a 24-pin HTSSOP package with the following pin configuration:

1. VCP - Charge pump output voltage
2. CP1 - Charge pump capacitor connection
3. CP2 - Charge pump capacitor connection
4. GND - Ground
5. IN1 - Input 1 (Motor control)
6. IN2 - Input 2 (Motor control)
7. VREF - Reference voltage for current sense amplifier
8. CS - Current sense output
9. VCC - Logic power supply
10. VBB - High-side gate drive bootstrap supply
11. HO - High-side gate drive output
12. LO - Low-side gate drive output
13. HB - High-side bootstrap capacitor connection
14. LB - Low-side bootstrap capacitor connection
15. VS - Motor supply voltage
16. PGND - Power ground
17. FLT - Fault output
18. EN - Enable input
19. VDS - Drain-source voltage sense input
20. VCP - Charge pump input voltage
21. CP1 - Charge pump capacitor connection
22. CP2 - Charge pump capacitor connection
23. GND - Ground
24. NC - No connect

Functional Features

• High-Voltage Operation: The DRV2511QDAPRQ1 supports a wide operating voltage range of 8V to 60V, making it suitable for various automotive applications.
• Current Sensing: Built-in current sense amplifier provides accurate measurement of motor current, enabling precise control and monitoring.
• Protection Features: Overcurrent protection, overtemperature shutdown, and undervoltage lockout ensure safe operation and prevent damage to the motor driver and connected components.
• Diagnostic Features: Fault detection and reporting capabilities allow for easy troubleshooting and system maintenance.
• PWM Control: Pulse Width Modulation (PWM) input allows for precise speed and direction control of the motor.
• Automotive-Grade: Compliant with AEC-Q100 standards, ensuring high reliability and durability in automotive environments.

Advantages and Disadvantages

Advantages: - Wide operating voltage range enables compatibility with various automotive systems. - Accurate current sensing provides precise control and monitoring of motor current. - Robust protection features ensure safe operation and prevent damage to the motor driver and connected components. - Fault detection and reporting capabilities simplify troubleshooting and maintenance. - Automotive-grade compliance guarantees reliability in demanding automotive environments.

Disadvantages: - Limited to single-channel motor control, not suitable for applications requiring multiple motor control.

Working Principles

The DRV2511QDAPRQ1 is based on H-bridge topology, which allows bidirectional control of a motor. It utilizes power MOSFETs as switches to control the motor's direction and speed. The integrated charge pump generates a higher voltage required for driving the high-side MOSFETs. The motor current is sensed using an internal current sense amplifier, enabling accurate current measurement and control. The device also incorporates various protection