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IR21074S

IR21074S Description

The IR21074S is a half-bridge gate driver IC designed by Infineon Technologies, a leading manufacturer in the power management and semiconductor industry. This IC is part of the obsolete product line, indicating that it is no longer in active production but remains a valuable component for specific applications. The IR21074S is housed in a 14-pin SOIC package, making it suitable for surface-mount applications. It operates within a supply voltage range of 10V to 20V and supports a maximum high-side voltage of 600V through its bootstrap configuration. The device is REACH unaffected, ensuring compliance with environmental regulations.

IR21074S Features

The IR21074S offers several key features that make it a robust choice for power management applications:

• Independent Channel Type: The IR21074S provides two independent gate drivers, allowing for flexible control of high-side and low-side switches.
• Inverting Input Type: The inverting input type simplifies the control logic, making it easier to integrate with various control systems.
• Fast Rise and Fall Times: With typical rise and fall times of 150ns and 50ns respectively, the IR21074S ensures efficient switching and reduced switching losses.
• Peak Output Current: The IC can source up to 200mA and sink up to 350mA, providing ample current for driving power MOSFETs and IGBTs.
• Logic Voltage Compatibility: The IR21074S operates with a logic voltage range of 0.8V to 2.7V, making it compatible with various digital control circuits.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the IR21074S is suitable for a wide range of environmental conditions without the need for special handling.

IR21074S Applications

The IR21074S is ideal for a variety of power management applications, including:

• Motor Control: The high-side and low-side drivers make it suitable for controlling brushless DC motors and stepper motors in industrial and automotive applications.
• Power Supplies: The IC can be used in switch-mode power supplies (SMPS) to drive high-frequency switches, improving efficiency and reducing size.
• Inverters: The IR21074S is well-suited for driving power switches in inverters, converting DC to AC power for renewable energy systems and uninterruptible power supplies (UPS).
• Battery Management Systems: The device can control power switches in battery management systems, ensuring safe and efficient charging and discharging.

Conclusion of IR21074S

The IR21074S is a versatile half-bridge gate driver IC that offers a combination of high performance and reliability. Despite its obsolete status, it remains a valuable component for applications requiring efficient power management and control. Its fast switching capabilities, high current drive, and compatibility with various logic levels make it a standout choice in its category. For engineers and designers working on power management systems, the IR21074S provides a reliable and efficient solution, ensuring optimal performance and longevity in demanding applications.