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IR2128S
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IR2128S Description
IR2128S Description
The IR2128S is a high-performance integrated circuit (IC) gate driver designed for power management applications. Manufactured by Infineon Technologies, this single-channel driver is optimized for high-side and low-side gate drive applications. It features a high-side voltage capability of up to 600V, making it suitable for demanding power switching applications. The IR2128S operates within a supply voltage range of 12V to 20V and offers peak output currents of 250mA for sourcing and 500mA for sinking. With a typical rise and fall time of 80ns and 40ns respectively, this IC ensures fast and efficient switching.
IR2128S Features
- High-Side Voltage Capability: The IR2128S supports a maximum high-side voltage of 600V, which is ideal for high-voltage applications such as motor control and power supplies.
- Supply Voltage Range: It operates within a wide supply voltage range of 12V to 20V, providing flexibility in power supply design.
- Fast Switching: With a typical rise time of 80ns and fall time of 40ns, the IR2128S ensures rapid and efficient switching, reducing power loss and improving overall system performance.
- Peak Output Current: The IC provides peak output currents of 250mA for sourcing and 500mA for sinking, making it suitable for driving high-power MOSFETs and IGBTs.
- Inverting Input Type: The inverting input type simplifies the control circuitry, allowing for straightforward integration into various power management systems.
- Surface Mount Packaging: The IR2128S is available in an 8SOIC surface mount package, which is ideal for compact and high-density PCB designs.
- Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the IR2128S is suitable for a wide range of environmental conditions, ensuring reliability and durability.
- REACH Compliance: The IR2128S is REACH unaffected, ensuring compliance with environmental regulations and standards.
IR2128S Applications
The IR2128S is well-suited for a variety of applications due to its robust design and high-performance capabilities. Some specific use cases include:
- Motor Control: The high-side voltage capability and fast switching times make the IR2128S ideal for driving MOSFETs and IGBTs in motor control applications, ensuring efficient power delivery and precise control.
- Power Supplies: The wide supply voltage range and peak output currents enable the IR2128S to be used in various power supply designs, including DC-DC converters and inverters.
- Industrial Automation: The IR2128S can be used in industrial automation equipment where high reliability and fast switching are critical for efficient operation.
- Renewable Energy Systems: In solar inverters and wind turbines, the IR2128S can drive high-power switches, contributing to the overall efficiency and reliability of the system.
Conclusion of IR2128S
The IR2128S is a versatile and high-performance gate driver IC that offers significant advantages over similar models. Its high-side voltage capability, fast switching times, and robust design make it ideal for a wide range of power management applications. Despite being marked as obsolete, the IR2128S remains a reliable choice for engineers and designers looking for a high-performance gate driver solution. Its compliance with environmental regulations and suitability for various environmental conditions further enhance its value in the electronics industry.



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