NSI6651ASC-DSWR

Isolators - Gate Drivers Overview

The NSI6651ASC-DSWR is a single-channel reinforced isolated smart gate driver designed for driving IGBTs and SiC MOSFETs. It features capacitive coupling technology with a 5700Vrms isolation voltage and 150kV/μs CMTI. The device provides peak currents of 11A source and 12A sink, operating within a 13V to 32V driver supply range and 3V to 5.5V logic supply. Key parameters include propagation delays of 85ns (tpLH) and 80ns (tpHL), rise/fall times of 56ns/53ns, and a static current of 1.6mA. It operates from -40°C to +125°C in an SOW-16 package.

Isolators - Gate Drivers Feature Summary

• Integrated Miller clamp and DESAT detection for enhanced system protection
• Active short-circuit fault management with separate pin reporting
• Automotive-grade reliability with reinforced insulation certification

Isolators - Gate Drivers Applications

• High-reliability power conversion systems
• Industrial motor drives using IGBT modules
• SiC MOSFET-based high-efficiency inverters

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'DSWR' against the official NOVOSENSE datasheet to confirm packaging quantity and tape-and-reel specifications. Ensure the component meets the required industrial temperature range and isolation voltage ratings for your specific application environment before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component when high common-mode transient immunity and integrated smart protection features are critical. It is suitable for applications requiring robust fault handling, such as short-circuit detection and under-voltage lockout, while maintaining low static power consumption in compact SOW-16 packages.

Isolators - Gate Drivers Part Context

This part belongs to the NSI66x1A family of single-channel isolated gate drivers. It utilizes capacitive coupling for signal transmission across the isolation barrier. The series is engineered for high-power density applications, offering a balance of performance, safety, and integration compared to discrete solutions.

Isolators - Gate Drivers Replacement Considerations

Check for NSI6651ALC-DSWR or other NSI66x1A variants if different pin configurations or specific automotive qualification levels are required. Verify compatibility with existing PCB footprints and control logic voltages before substitution.

Isolators - Gate Drivers FAQ

What is the minimum Common Mode Transient Immunity (CMTI) rating?

The device guarantees a minimum CMTI of 150kV/μs.

Does the driver support active Miller clamp functionality?

Yes, it includes integrated Miller clamp protection to prevent false turn-on during high dv/dt events.