The AUIRS20302STR is a high-voltage, high-speed power MOSFET and IGBT driver from Infineon Technologies. It is designed for applications requiring a robust and efficient driver for controlling power switches.

Applications

• Automotive Inverters
• Motor Control Systems
• Power Supplies
• HID Ballasts
• Induction Heating

Features

• Floating Channel Designed for Bootstrap Operation up to +200V
• Gate Drive Supply Range from 10V to 20V
• Logic Input Compatibility: 3.3V, 5V, and 15V Logic
• CMOS Schmitt-Triggered Inputs with Pull-down
• Cycle-by-Cycle Edge-Triggered Shutdown Logic
• Matched Propagation Delay for Both Channels
• High and Low Side Under-voltage Lockout (UVLO)
• Overcurrent Protection

Benefits

• Simplified High-Voltage Drive: Floating channel enables driving high-side MOSFETs or IGBTs with a bootstrap power supply, simplifying the drive circuitry.
• Wide Operating Range: Operates over a broad range of supply voltages, offering flexibility in various applications.
• Easy Logic Interfacing: Compatible with a variety of logic levels, facilitating seamless integration with digital controllers.
• Enhanced Noise Immunity: Schmitt-triggered inputs improve noise immunity, ensuring reliable operation in noisy environments.
• Improved System Protection: Cycle-by-cycle shutdown logic and UVLO protect the power switches and the driver from damage due to overcurrent or undervoltage conditions.
• Optimized Switching Performance: Matched propagation delay minimizes dead-time requirements, improving switching efficiency.

Additional Details

The AUIRS20302STR is available in an SOIC package. It is crucial to consider the layout of the PCB to minimize parasitic inductance and capacitance, which can affect the switching performance and noise immunity of the driver. The driver’s datasheet provides detailed guidelines on PCB layout and component selection.

Technical Specifications:

• High-Side Floating Supply Voltage: 200V
• Output Current: 290mA / 600mA
• Logic Input Voltage: -0.3V to VCC + 0.3V
• Operating Temperature: -40°C to +125°C
• Package Type: SOIC

When using the AUIRS20302STR, it is important to consult the manufacturer's datasheet for the most accurate and up-to-date information on its characteristics, application circuits, and safety considerations. Proper gate resistor selection and bootstrap capacitor sizing are essential for achieving optimal performance and ensuring the long-term reliability of the driver.