AUIRS21811STR

The AUIRS21811STR is a high-voltage, high-speed power MOSFET and IGBT driver IC designed for use in automotive and industrial applications. This IC provides versatile and reliable drive capabilities for a wide range of power switching applications.

Pinout

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

• Vin: Input Supply Voltage
• Vs: High Side Output Voltage
• COM: Common Pin
• HB: High Side Gate Drive Bootstrapped Voltage
• HO: High Side Gate Drive Output
• HS: Low Side Gate Drive Voltage
• LS: Low Side Output Voltage
• Vss: Ground
• Vout: Output Supply Voltage
• SD: Shutdown Pin
• FLT: Fault Feedback Pin
• VBST: Bootstrap Supply Voltage

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the AUIRS21811STR IC for a more visual representation.

Key Features

• High Voltage Operation: The AUIRS21811STR is capable of high voltage operation, making it suitable for driving power MOSFETs and IGBTs in various high voltage applications.
• High Speed: With its high-speed gate drivers, this IC is capable of fast switching, enabling efficient power conversion and control.
• Bootstrap Supply: The AUIRS21811STR features a bootstrap supply voltage pin, simplifying the high-side gate drive implementation.
• Shutdown Function: An integrated shutdown pin allows for convenient and reliable system shutdown when needed.
• Fault Feedback: The fault feedback pin provides essential information about the status of the power switches, contributing to system safety and protection.

Note: For detailed technical specifications, please refer to the AUIRS21811STR datasheet.

Application

The AUIRS21811STR is commonly used in various applications, including:

• Automotive Power Systems: This IC is designed to meet the requirements of automotive power systems, including motor drives, LED lighting, and automotive inverters.
• Industrial Power Systems: Its high voltage and high-speed capabilities make it suitable for industrial power systems, including motor control, industrial inverters, and power supplies.
• Switching Power Supplies: The AUIRS21811STR can be employed in various power supply applications that require high voltage and high-speed switching.

Functionality

The AUIRS21811STR provides drive capabilities for power MOSFETs and IGBTs in high voltage applications, enabling efficient power switching and control.

Usage Guide

• Power Supply: Connect the input supply voltage (Vin) and the output supply voltage (Vout) as per the application requirements.
• Gate Drive: Utilize the high-side and low-side gate drive outputs to drive the power MOSFETs or IGBTs in the system.
• Shutdown Function: Utilize the shutdown pin (SD) to control the device's operation and implement a reliable shutdown mechanism.

Frequently Asked Questions

Q: What is the maximum input supply voltage for the AUIRS21811STR?
A: The AUIRS21811STR can handle a maximum input supply voltage as specified in the datasheet.

Q: Can the AUIRS21811STR be used in automotive lighting systems?
A: Yes, the AUIRS21811STR is suitable for driving power switches in automotive lighting systems due to its high voltage and high-speed capabilities.

Equivalent

For similar functionalities, consider these alternatives to the AUIRS21811STR:

• IR2110: An integrated high-voltage, high-speed power MOSFET and IGBT driver IC with comparable features and capabilities.
• IXD_604: This IC offers high voltage and high-speed gate driver capabilities, suitable for power switching applications.
• Infineon EiceDRIVER™: Infineon's EiceDRIVER™ family of gate driver ICs provides a range of high-performance solutions for driving power switches in various applications.