IR21814S

Gate Driver Overview

The IR21814S is a high-voltage, high-speed power MOSFET and IGBT driver featuring independent high-side and low-side referenced output channels. It supports a maximum high-side voltage of 600 V with a supply voltage range of 10 V to 20 V. The device provides a source current of 1.9 A and a sink current of 2.3 A. Typical propagation delays are 180 ns for turn-on and 220 ns for turn-off. Rise and fall times are typically 40 ns and 20 ns, respectively. It operates within a junction temperature range of -40°C to 150°C and is housed in a 14-lead SOIC package.

Gate Driver Feature Summary

• Independent high-side and low-side output channels for half-bridge configurations
• High-voltage capability up to 600 V for bootstrap operation
• Robust drive strength with 1.9 A source and 2.3 A sink currents
• CMOS/TTL compatible logic inputs for direct interface with standard controllers

Gate Driver Applications

• Motor control systems utilizing IGBTs or MOSFETs
• Industrial motor drives and inverters
• Switched-mode power supplies (SMPS)
• High-frequency power conversion circuits

Gate Driver Procurement Notes

Verify the specific suffix against the official Infineon datasheet to confirm package type and tape/reel specifications. Ensure the component meets the required industrial temperature ratings and that the ordering part number matches the exact electrical characteristics needed for the design. Cross-reference the manufacturer's latest documentation to confirm active status and compliance details.

Gate Driver Selection Notes

Select this driver for applications requiring isolated gate driving of high-voltage switches. The 14-lead SOIC package suits surface-mount assembly. Consider the 600 V rating when designing bootstrap circuits. Verify input logic levels match the control signal source. Ensure adequate thermal management for the specified power dissipation in the target environment.

Gate Driver Part Context

The IR21814S belongs to the IR2181x family of high-voltage gate drivers from Infineon Technologies. This series is designed for driving power semiconductors in demanding environments. The S variant specifically denotes the SOIC package option. It complements other devices in the portfolio by offering balanced performance for both high-side and low-side switching operations.

Gate Driver Replacement Considerations

The IRS21814S is a verified equivalent part number within the same product family, sharing identical electrical specifications and functionality. Check for any minor packaging or suffix differences if substituting. No other cross-model substitutes are confirmed in public documentation.