Infineon IRS21864STRPBF: A High-Performance 600V Half-Bridge Driver IC

In the realm of power electronics, the efficient and reliable control of high-voltage switches is paramount. The Infineon IRS21864STRPBF stands out as a premier solution, engineered to drive both high-side and low-side N-channel MOSFETs and IGBTs in a half-bridge configuration. This driver IC is a critical component for applications demanding robust performance, such as motor drives, solar inverters, uninterruptible power supplies (UPS), and industrial power systems.

A key feature of the IRS21864STRPBF is its high-voltage rating of 600V, which provides ample headroom for line voltages in three-phase systems and other demanding environments. This allows designers to create systems that are both compact and powerful. The IC integrates a high-level of integration and protection, including built-in dead-time control (DT) to prevent shoot-through currents—a catastrophic condition where both high-side and low-side switches conduct simultaneously, which could destroy the power devices.

The driver's performance is further enhanced by its high noise immunity due to the use of Infineon's proprietary HVIC and latch-immunous CMOS technologies. This ensures stable operation even in electrically noisy environments common in motor control and power conversion applications. With typical sink and source output current capabilities of 2.9A and 2.5A respectively, the IRS21864STRPBF can swiftly turn power switches on and off, minimizing switching losses and improving overall system efficiency. The fast switching speeds are crucial for modern high-frequency power supplies where efficiency and thermal management are critical.

Furthermore, the IC features a low operational supply current and a shutdown function that disables both channels, adding an extra layer of safety and control. Its CMOS input compatibility simplifies interfacing with microcontrollers and other logic circuits, streamlining the design process.

ICGOOODFIND: The Infineon IRS21864STRPBF is an exceptional high-voltage half-bridge driver that combines robust 600V capability, integrated protection features, and high drive current in a single package. It is an optimal choice for designers seeking to enhance the reliability, efficiency, and performance of their high-power conversion systems.

Keywords: Half-Bridge Driver, 600V Rating, Shoot-Through Protection, High Noise Immunity, High Drive Current