IVCR1412SR

Gate Driver Overview

The IVCR1412SR is a compact low-side gate driver IC in an SOT-23-6 package, designed for SiC MOSFETs, Si MOSFETs, and IGBTs. It features integrated negative voltage generation and Miller clamp functionality. The device supports a VDD supply range of 4.5V to 25V with a maximum rating of 30V. It offers a propagation delay of 16ns and operates within a temperature range of -40°C to 125°C. Peak output currents are 2A source and 4A sink, with an 80ns high-current sink phase followed by a 3Ω pull-down resistor.

Gate Driver Feature Summary

• Integrates a negative charge pump to provide a -2V turn-off voltage or direct output capability.
• Features active Miller clamp function via strong pull-down output to ensure reliable MOSFET shutdown.
• Utilizes a quasi-current source output architecture that eliminates the need for external gate resistors.
• Includes a programmable pin to adjust peak sourcing current for optimizing switching speed and noise.

Gate Driver Applications

• New energy vehicle on-board chargers (OBC)
• EV/HEV inverters and DC/DC converters
• Motor drive systems
• Server and communication equipment rectifiers
• Photovoltaic boost and inversion circuits

Gate Driver Procurement Notes

Verify the specific suffix 'SR' against the manufacturer's official documentation to confirm tape-and-reel packaging specifications and binning details. Ensure compatibility with the required input logic levels (TTL/CMOS) and confirm that the integrated negative voltage generation meets the target application's gate drive requirements without additional external circuitry.

Gate Driver Selection Notes

Select this component when space constraints require a minimal footprint solution for driving wide-bandgap devices. The integrated negative voltage and Miller clamp simplify design complexity compared to standard drivers. Consider the programmable current control feature if system-level electromagnetic interference optimization is critical for the specific power stage topology.

Gate Driver Part Context

Inventchip Technology focuses on Silicon Carbide (SiC) power semiconductors and integrated circuit solutions. The IVCR1412 series represents their NextDrive technology, emphasizing compactness and reliability for high-performance power conversion applications. This driver complements their portfolio of SiC MOSFETs and modules.

Gate Driver Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Direct replacement requires careful evaluation of pinout compatibility, electrical parameter margins, and thermal performance against the original design specifications.

Gate Driver FAQ

How does the IVCR1412 handle Miller effect suppression?

It employs a strong pull-down output combined with an integrated Miller clamp function to actively suppress the Miller effect, ensuring reliable turn-off of the MOSFET without requiring external gate resistors.

What is the purpose of the programmable current pin?

The programmable pin allows adjustment of the peak sourcing current during turn-on, enabling users to optimize the switching speed of SiC MOSFETs and reduce system noise.