IRS21084STRPBF

Gate Driver Overview

The IRS21084STRPBF is a high-voltage, fast power MOSFET and IGBT driver manufactured by Infineon Technologies. It features a robust half-bridge topology with separate high-side and low-side outputs, designed for efficient switching control in demanding industrial environments. The device operates within a supply voltage range of 10 V to 20 V and supports a maximum bus voltage of 600 V. Packaged in a 14-pin SOIC format, it provides independent channel drive capabilities with specified rise and fall times of 220 ns and 80 ns respectively, ensuring reliable performance across a wide temperature spectrum from -40°C to +125°C.

Gate Driver Feature Summary

• Supports independent high-side and low-side inputs for flexible half-bridge configurations
• Integrated bootstrap operation simplifies floating high-side gate drive requirements
• Provides functional junction isolation between logic inputs and power output stages

Gate Driver Applications

• Industrial motor drives and servo systems
• Switched-mode power supplies (SMPS)
• Inverter circuits for AC and DC applications

Gate Driver Procurement Notes

Verify the specific suffix 'STRPBF' against official Infineon documentation to confirm tape-and-reel packaging and RoHS compliance status. Ensure that the selected component matches the required 14-SOIC package dimensions and thermal characteristics for your PCB layout. Cross-reference the datasheet revision date to confirm availability of updated electrical specifications and application notes relevant to your design implementation.

Gate Driver Selection Notes

Select this component when a dedicated half-bridge driver with separate input channels is required for 600V class applications. Consider the 290 mA output current capability relative to the target gate charge requirements of the connected MOSFETs or IGBTs. Evaluate the 14-SOIC package constraints against available board space and thermal dissipation needs compared to alternative packages like the PDIP variant.

Gate Driver Part Context

This part belongs to the IRS2108x family of high-voltage gate drivers, which are engineered for driving power switches in medium-to-high voltage applications. The STRPBF designation indicates a surface-mount version optimized for automated assembly processes. It serves as a critical interface between low-power control logic and high-power semiconductor devices, enabling precise timing and protection in complex power electronics architectures.

Gate Driver Replacement Considerations

The IR21084STRPBF is a direct equivalent offering identical pinout and electrical specifications. For through-hole implementations, the IRS21084SPBF provides the same functionality in a PDIP-8 package. Verify that any substitute maintains the 600V rating and 10-20V supply range to ensure compatibility with existing circuit designs.

Gate Driver FAQ

Does the IRS21084STRPBF support synchronous rectification?

Yes, the datasheet lists synchronous operation as a feature, allowing for controlled dead-time management in half-bridge topologies.

What is the maximum operating voltage for the high-side driver?

The device is rated for a maximum bus voltage of 600 V, suitable for driving high-side switches in medium-voltage applications.