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AUIRS2191S

AUIRS2191S Description

The AUIRS2191S is a high-performance gate driver IC designed by Infineon Technologies, specifically tailored for automotive applications. This half-bridge gate driver features two independent channels, each capable of driving high-side and low-side MOSFETs or IGBTs. It operates within a supply voltage range of 10V to 20V and supports a maximum high-side voltage of 600V, making it suitable for high-voltage applications. The AUIRS2191S is housed in a surface-mount 16SOIC package, ensuring compact integration into modern automotive electronic systems.

AUIRS2191S Features

• High-Voltage Capability: With a maximum high-side voltage of 600V, the AUIRS2191S is well-suited for demanding automotive applications that require robust voltage handling.
• Independent Channels: The two independent channels allow for flexible control of high-side and low-side switches, enhancing the versatility of the driver.
• Fast Switching: The typical rise and fall times of 15ns ensure rapid and efficient switching, minimizing switching losses and improving overall system efficiency.
• Wide Supply Voltage Range: The 10V to 20V supply voltage range provides compatibility with various power supply configurations.
• Moisture Sensitivity Level 1: The MSL 1 (Unlimited) rating indicates excellent resistance to moisture, ensuring reliability in harsh environmental conditions.
• Peak Output Current: The driver can handle peak output currents of up to 3.5A for both sourcing and sinking, supporting high-current applications.
• Automotive Grade: Certified for automotive use, the AUIRS2191S meets stringent industry standards for reliability and performance.
• Logic Compatibility: The logic voltage levels of VIL 0.8V and VIH 2.5V ensure compatibility with a wide range of control signals.

AUIRS2191S Applications

The AUIRS2191S is ideal for a variety of automotive applications, including:

• Electric Vehicle (EV) Powertrains: Driving high-voltage MOSFETs or IGBTs in electric vehicle inverters and DC-DC converters.
• Hybrid Vehicle Systems: Controlling power switches in hybrid vehicle power management systems.
• Motor Control: Efficiently driving gate signals in motor control applications, ensuring precise control and high efficiency.
• High-Voltage DC-DC Converters: Providing reliable gate drive for high-voltage DC-DC converters in automotive power systems.

Conclusion of AUIRS2191S

The AUIRS2191S gate driver IC from Infineon Technologies stands out for its high-voltage capability, fast switching times, and automotive-grade reliability. Its independent channels and wide supply voltage range offer significant flexibility, making it suitable for a broad range of automotive applications. Despite being marked as obsolete, the AUIRS2191S remains a reliable choice for engineers seeking a robust gate driver solution in high-voltage automotive systems.