IR21014

Gate Driver Overview

The IR21014 is a high-speed, high-voltage gate driver IC designed for driving IGBTs and N-channel MOSFETs in half-bridge configurations. It features independent high-side and low-side outputs with a 600V blocking capability. The device operates on a supply voltage range of 10V to 20V. It provides peak output currents of 200mA source and 350mA sink. Key timing parameters include a maximum propagation delay of 220ns, a rise time of 170ns, and a fall time of 90ns. The component supports CMOS and TTL logic inputs and functions within an operating temperature range of -40°C to +125°C.

Gate Driver Feature Summary

• Provides independent high-side and low-side gate drive channels for half-bridge power switch applications.
• Features junction isolation to support floating high-side operation up to 600V.
• Accepts standard CMOS or TTL logic input signals for direct interface with control circuits.

Gate Driver Applications

• Driving IGBTs in half-bridge power converter topologies
• Gate driving N-channel MOSFETs in isolated power stages
• Switch-mode power supply (SMPS) high-side switching control

Gate Driver Procurement Notes

Verify the specific package variant required, as the IR21014 is available in multiple physical form factors including DIP packages. Confirm that the selected part number suffix matches the intended mounting style and lead configuration for your PCB layout. Ensure that the supplier documentation explicitly references the Infineon Technologies datasheet to guarantee authenticity and accurate electrical specifications.

Gate Driver Selection Notes

Select this component when a robust solution for driving high-voltage power switches in a half-bridge arrangement is required. The internal bootstrap diode simplifies circuit design by eliminating external components for high-side drive generation. Consider the 600V rating and propagation delays to ensure compatibility with the switching frequency and voltage stress of the target power devices.

Gate Driver Part Context

The IR21014 belongs to the IR210xx family of monolithic high-voltage gate drivers from Infineon Technologies. This series is engineered for industrial and consumer applications requiring reliable isolation between control logic and high-power switching nodes. The device integrates essential protection features and drive capabilities into a compact package, serving as a critical interface between microcontrollers and power semiconductors.

Gate Driver Replacement Considerations

Direct substitutes within the same family include the IR2101 and IR2101S. Verify pinout compatibility and electrical parameter alignment before swapping. The IR21014 specifically offers a 14-pin configuration compared to the 8-pin variants, necessitating careful review of footprint differences and application circuit adjustments.