The IR2171STRPBF is a high-voltage, high-speed power MOSFET and IGBT driver with a floating channel designed for bootstrap operation. Manufactured by Infineon Technologies, this driver is well-suited for various power electronics applications, offering robust performance and protection features.

Applications

• Motor Drives
• Power Supplies
• Uninterruptible Power Supplies (UPS)
• Induction Heating
• Welding Machines

Features

• Floating Channel: Enables bootstrap operation up to +600V.
• Gate Drive Supply Range: Operates from 10V to 20V.
• Logic Input Compatibility: 3.3V and 5V logic compatible.
• Under-Voltage Lockout (UVLO): Prevents MOSFET/IGBT from operating at insufficient gate voltage.
• Dead-Time Control: Adjustable dead-time for optimized switching performance.
• High-Side Output Driver: Drives N-channel MOSFETs and IGBTs in high-side configurations.
• RoHS Compliant: Environmentally friendly, adhering to RoHS standards.

Benefits

• Simplified Design: Integrates essential driving functions, reducing component count and simplifying power circuit design.
• Enhanced System Efficiency: Precise timing and dead-time control optimize switching performance, improving system efficiency.
• Robust Protection: Under-voltage lockout and other protection features enhance system reliability and protect power devices.
• Wide Operating Voltage Range: Adaptable to various power supply voltages, increasing design flexibility.
• Compact Size: Available in a compact package, saving valuable board space.

Additional Details

The IR2171STRPBF features a high-side gate driver with a typical propagation delay of around 120ns and is capable of driving high-power MOSFETs and IGBTs. It incorporates an under-voltage lockout (UVLO) circuit that protects the power switch by preventing it from operating when the gate drive voltage is too low. The adjustable dead-time feature allows for fine-tuning the switching behavior to minimize switching losses and improve efficiency. This driver comes in a surface-mount package, making it suitable for automated assembly processes. Its robust design and protection features make it a reliable choice for demanding power electronics applications. The PBF suffix indicates that the component is lead-free.