IRS21850SPBF

Gate Driver Overview

The IRS21850SPBF is a high-voltage, high-speed power MOSFET and IGBT driver manufactured by Infineon Technologies. It features a single high-side channel with a floating output stage capable of driving N-channel power MOSFETs or IGBTs in high-side configurations up to 600V. The device utilizes proprietary HVIC and latch-proof CMOS technology for robust performance. It operates with a supply voltage range of 10V to 20V and delivers a peak output current of 2.3A. Key electrical parameters include a maximum propagation delay of 210ns, a rise time of 40ns, and a fall time of 20ns. The component is housed in an 8-SOIC package and supports logic inputs compatible with standard CMOS or LSTTL outputs.

Gate Driver Feature Summary

• High-voltage floating channel designed for driving high-side N-channel power devices up to 600V
• Proprietary HVIC and latch-proof CMOS technology ensures robust monolithic structure
• High pulse current buffer stage minimizes driver cross-conduction
• Logic input compatibility with standard CMOS or LSTTL outputs down to 3.3V

Gate Driver Applications

• Motor control applications requiring high-side switching
• Power supplies utilizing high-voltage MOSFETs or IGBTs
• Industrial inverters and converters
• Resonant bridge circuits

Gate Driver Procurement Notes

Verify the specific manufacturer part number against official Infineon documentation to ensure accuracy, as distributor listings may contain variations or obsolete references. Confirm RoHS compliance status and lead-free requirements directly from the datasheet before procurement. Check for any recommended replacement parts if the component is marked as not recommended for new designs. Ensure storage conditions meet moisture sensitivity level requirements specified in the handling guidelines.

Gate Driver Selection Notes

Select this component when a single high-side gate driver is required for voltages up to 600V. Consider the 2.3A peak output current capability for driving fast-switching power devices. Verify that the 8-SOIC package fits the PCB layout constraints. Ensure the control logic voltage levels are compatible with the CMOS/LSTTL input interface. Evaluate the thermal dissipation capabilities within the SOIC-8 package for the intended application load.

Gate Driver Part Context

The IRS21850SPBF belongs to the IR218x family of gate drivers from Infineon Technologies. This series is designed for efficient control of power semiconductors in various industrial and automotive applications. The SPBF suffix indicates a lead-free, RoHS-compliant variant packaged in an 8-pin SOIC format. It serves as a critical interface between low-voltage control logic and high-power switching elements, enabling precise timing and reliable operation in high-energy circuits.

Gate Driver Replacement Considerations

Consult official Infineon substitution guides for verified alternatives. Cross-reference pinouts and electrical specifications carefully when considering equivalent components from other manufacturers.