AUIRS2191S

Gate Driver Overview

The AUIRS2191S is a high-speed, high-voltage half-bridge gate driver IC designed for automotive applications. It features independent high-side and low-side channels with non-inverting inputs. The device supports IGBT and N-channel MOSFETs up to 600V bootstrap voltage. Peak output currents are 3.5A sink and source. Supply voltage ranges from 10V to 20V. Typical rise and fall times are 15ns. Operating temperature spans -40°C to 150°C TJ. It is housed in a 16-SOIC package and holds AEC-Q100 qualification.

Gate Driver Feature Summary

• Independent high-side and low-side channel configuration
• Non-inverting input logic compatibility
• Automotive-grade reliability certification

Gate Driver Applications

• Electric vehicle DC-DC converters
• Motor inverters
• High-voltage power switching control

Gate Driver Procurement Notes

Verify component authenticity through authorized Infineon distributors or certified partners. Confirm the specific suffix matches the required package and tape-and-reel specifications. Check current lifecycle status as availability may vary. Ensure storage conditions comply with moisture sensitivity level requirements prior to assembly. Validate that the procurement source provides valid traceability documentation.

Gate Driver Selection Notes

Select this driver for applications requiring non-inverting control signals and high peak current capability. Consider the 16-SOIC package size for PCB layout constraints. Evaluate thermal management needs given the 150°C junction temperature rating. Compare propagation delays against system timing requirements. Ensure the 600V isolation rating meets the bus voltage demands of the target power stage.

Gate Driver Part Context

This component belongs to Infineon's AUIRS series of isolated gate drivers. These devices are engineered for robust performance in electric and hybrid vehicle environments. The series typically includes variants with different input polarities and package options. This specific model emphasizes high-speed switching and automotive durability standards.

Gate Driver Replacement Considerations

Direct substitutes include other AUIRS series drivers with matching pinouts and electrical characteristics. Verify equivalent peak current ratings and propagation delays. Ensure the replacement maintains the same non-inverting input logic. Check for identical package dimensions and thermal properties.