STGAP2SICSCTR

Isolators - Gate Drivers Overview

The STGAP2SICSCTR is a galvanically isolated single-channel gate driver designed for Silicon Carbide (SiC) MOSFETs. It provides 4 A sink/source current capability with rail-to-rail outputs, supporting gate driving voltages up to 26 V. The device features a propagation delay of less than 75 ns and a Common Mode Transient Immunity (CMTI) of 100 V/ns. It operates within a temperature range of -40°C to +125°C and includes UVLO and thermal shutdown protection. The component utilizes a wide-body SO-8W package and offers dual input pins for polarity selection.

Isolators - Gate Drivers Feature Summary

• Integrates a dedicated Miller clamp function on the single output pin to prevent gate spikes during fast commutations in half-bridge topologies.
• Provides galvanic isolation between the low-voltage control interface and the high-voltage gate driving channel.
• Features dual input pins that allow signal polarity selection and hardware interlocking to prevent cross-conduction.
• Includes standby mode functionality to reduce idle power consumption in active systems.

Isolators - Gate Drivers Applications

• Power conversion systems in industrial applications
• Motor driver inverters
• Half-bridge topologies requiring fast commutation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'CTR' confirms the single-output configuration with integrated Miller clamp functionality. Ensure the ordering code matches the required wide-body SO-8W package variant. Confirm compliance with IEC 60747-17 certification requirements if applicable to your design specifications.

Isolators - Gate Drivers Selection Notes

Select this component when a single-output gate drive with built-in Miller clamping is required for SiC MOSFETs. It is suitable for designs needing independent optimization of turn-on/off is not necessary, but spike suppression during fast switching is critical. Consider the 4 A peak current capability and 100 V/ns CMTI for robust noise immunity in high-power environments.

Isolators - Gate Drivers Part Context

This part belongs to the STGAP2SICS family of isolated gate drivers from STMicroelectronics. The family includes variants with separated output pins for independent resistor tuning, whereas this specific model integrates the Miller clamp into a single output architecture. It is engineered for mid-to-high power applications demanding high reliability and precise PWM control accuracy.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing PCB footprints and control logic levels before considering alternative isolated gate drivers.

Isolators - Gate Drivers FAQ

What is the purpose of the Miller clamp feature in this device?

The Miller clamp prevents unwanted gate voltage spikes during fast commutations in half-bridge topologies, ensuring stable operation of the SiC MOSFET.

How does the device handle signal polarity control?

The STGAP2SICSCTR features dual input pins that allow the user to select the signal polarity control, facilitating flexible integration with various controller outputs.