IR2155

The IR2155 is a high-voltage, high-speed power MOSFET and IGBT driver IC designed for use in power electronics applications. It provides robust and efficient gate driving for power switches, making it suitable for motor control, inverter, and power supply applications.

Pinout

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

• VCC: Positive power supply for the driver
• VB: High voltage floating supply output
• HO: High-side gate driver output
• LO: Low-side gate driver output
• VSS: Ground
• SD: Shutdown pin for disabling operation
• SDGND: Shutdown pin ground connection
• VDD: Low voltage logic input supply
• VSSOP: Low voltage ground connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the IR2155 IC for a visual representation.

Key Features

• High-Voltage Gate Driver: Provides high-voltage gate driving capability for power MOSFETs and IGBTs.
• High-Speed Operation: Offers fast switching speeds for efficient power conversion.
• Shutdown Functionality: Includes a shutdown pin for easy disabling of the driver.
• Floating Supply Output: VB pin provides a high voltage floating supply for driving power switches.
• Integrated Protection Features: Built-in overcurrent and overtemperature protection for enhanced reliability.

Note: For detailed technical specifications, please refer to the IR2155 datasheet.

Application

• Motor Control: Ideal for driving power switches in motor control applications.
• Inverter Systems: Suitable for use in inverter systems for efficient power conversion.
• Power Supplies: Used in various power supply designs requiring high-voltage gate drivers.

Functionality

The IR2155 is a high-performance IC that facilitates the efficient control of power switches in power electronic systems. It ensures reliable and precise gate driving for optimal power conversion.

Usage Guide

• Power Supply: Connect VCC and VDD to their respective power supplies as per the datasheet recommendations.
• Gate Driving: Use the HO and LO outputs to drive the high-side and low-side power switches, respectively.
• Shutdown Control: Use the SD pin to enable or disable the driver operation as needed.

Frequently Asked Questions

Q: What is the maximum voltage rating supported by the IR2155?
A: The IR2155 is designed to support high voltage levels, typically up to 600V or more depending on the application requirements.

Q: Can the IR2155 be used in motor drive applications?
A: Yes, the IR2155 is commonly used in motor control applications for driving power switches in motor drive systems.