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IR2128

IR2128 Description

The IR2128 is a high-side/low-side gate driver IC designed by Infineon Technologies. It is a single-channel driver with a through-hole mounting type, housed in a tube package. This gate driver is specifically designed to drive power MOSFETs and IGBTs in a wide range of applications. The IR2128 features a high-side voltage capability of up to 600 V, making it suitable for high-voltage switching applications. It operates with a supply voltage range of 12V to 20V and offers a peak output current of 250mA for sourcing and 500mA for sinking. The rise and fall times are typically 80ns and 40ns, respectively, ensuring fast and efficient switching. The logic input voltage levels are specified at VIL = 0.8V and VIH = 3V, and the input type is inverting. The IR2128 is REACH unaffected and has a moisture sensitivity level of 1 (unlimited), making it suitable for various environmental conditions.

IR2128 Features

• High-Side Voltage Capability: The IR2128 supports a maximum high-side voltage of 600 V, which is ideal for high-voltage applications such as motor drives and power supplies.
• Supply Voltage Range: It operates within a supply voltage range of 12V to 20V, providing flexibility in power supply design.
• Peak Output Current: The IC can source up to 250mA and sink up to 500mA, ensuring robust performance in driving power devices.
• Fast Switching: With typical rise and fall times of 80ns and 40ns, respectively, the IR2128 enables fast and efficient switching, reducing power losses and improving overall system efficiency.
• Inverting Input: The inverting input type simplifies the control circuitry, making it easier to integrate into various control schemes.
• Environmental Compliance: The IR2128 is REACH unaffected and has a moisture sensitivity level of 1 (unlimited), ensuring reliability in different environmental conditions.
• Through-Hole Mounting: The through-hole mounting type is ideal for applications requiring robust mechanical stability and ease of assembly.

IR2128 Applications

The IR2128 is well-suited for a variety of applications where high-voltage switching and efficient gate driving are required. Some specific use cases include:

• Motor Drives: The high-side voltage capability and robust output current make the IR2128 ideal for driving MOSFETs and IGBTs in motor control applications.
• Power Supplies: The fast switching times and wide supply voltage range are beneficial in power supply designs, ensuring efficient power conversion.
• Inverter Circuits: The IR2128 can be used in inverter circuits for renewable energy systems, such as solar inverters, where high-voltage switching is necessary.
• Industrial Automation: The through-hole mounting and environmental compliance make it suitable for industrial applications where reliability and robustness are critical.

Conclusion of IR2128

The IR2128 gate driver IC from Infineon Technologies offers a comprehensive set of features that make it a reliable choice for high-voltage switching applications. Its high-side voltage capability, fast switching times, and robust output current ensure efficient and reliable performance. The IR2128 is particularly well-suited for motor drives, power supplies, and inverter circuits, where its unique features provide significant advantages over similar models. Despite being marked as obsolete, the IR2128 remains a viable option for applications requiring a high-performance gate driver.