IR21084STR

Gate Driver Overview

The IR21084STR is a half-bridge gate driver IC manufactured by Infineon Technologies, designed for driving IGBTs and N-channel MOSFETs. It features two independent drivers with non-inverting logic compatible with CMOS and TTL inputs. The device operates within a supply voltage range of 10 V to 20 V and supports output currents up to 200 mA. Key timing parameters include a maximum propagation delay of 300 ns, rise time of 220 ns, and fall time of 80 ns. It functions reliably across an extended temperature range from -40°C to +125°C and is housed in a 14-SOIC surface-mount package.

Gate Driver Feature Summary

• Synchronous half-bridge configuration for high-side and low-side switching control
• Non-inverting logic input compatibility with standard digital interfaces
• Robust thermal performance supporting operation up to 125°C junction temperature

Gate Driver Applications

• Industrial motor drive systems
• Inverter circuits for power conversion
• Switching applications requiring isolated high-side drive

Gate Driver Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check current manufacturing status as the STR variant may be obsolete; validate availability of PBF equivalents if required for long-term production.

Gate Driver Selection Notes

Select this component when a synchronous half-bridge driver with non-inverting inputs is required. Ensure the application voltage does not exceed 20 V and that the load current remains within the 200 mA output limit. Consider thermal management for environments approaching the 125°C upper operating limit.

Gate Driver Part Context

This part belongs to the IR2108x series of half-bridge gate drivers from Infineon Technologies. It serves as a successor or alternative to legacy parts like the IRS2108, offering similar functionality in a modern surface-mount package suitable for automated assembly processes.

Gate Driver Replacement Considerations

The IR21084STRPBF is listed as a direct substitute. Verify pinout and electrical specifications match before integration.