UCC21732QDWRQ1

Overview

The UCC21732QDWRQ1 is an automotive-grade, single-channel galvanically isolated gate driver from Texas Instruments. It features 5.7kVrms isolation via capacitive coupling technology and supports IGBT and SiC FET applications. The device operates within a supply voltage range of 3V to 33V and delivers a peak output current of ±10A. Key electrical parameters include a maximum propagation delay of 130ns, a rise time of 28ns, and a fall time of 24ns. It is housed in a 16-pin SOIC package and is qualified under AEC-Q100 standards for operation between -40°C and +125°C.

Feature Summary

• Provides robust 5.7kVrms galvanic isolation using advanced capacitive coupling technology for high noise immunity.
• Features a dedicated two-level turn-off mechanism designed to enhance switching performance and reliability for IGBT and SiC devices.
• Delivers high peak drive capability with ±10A output current to efficiently switch power semiconductors.

Applications

• Automotive traction inverters
• On-board chargers (OBC)
• DC-DC converters

Procurement Notes

Verify the specific suffix 'QDWRQ1' to confirm automotive qualification and tape-and-reel packaging configuration. Ensure compatibility with the target PCB footprint for the 16-SOIC package. Cross-reference the datasheet revision date to validate parameter accuracy against the latest manufacturer release before finalizing component selection.

Selection Notes

Select this component when high-voltage isolation and fast switching are required for silicon carbide or IGBT modules in automotive environments. Consider the 130ns propagation delay and 28ns rise time for timing-sensitive control loops. Evaluate the 33V maximum supply voltage against the gate drive requirements of the connected power device.

Part Context

This part belongs to the UCC21732 family of isolated gate drivers. It shares the SOIC-16 form factor with other variants but is distinguished by its specific 5.7kV isolation rating and automotive AEC-Q100 certification. It serves as a specialized solution for high-power density electric vehicle powertrains.

Replacement Considerations

Direct substitutes include UCC21732QDWQ1 and UCC21732QDWR. Verify that alternative packages match the SOIC-16 dimensions and that any non-automotive grade parts meet the required temperature and reliability standards.

FAQ

What type of isolation technology does the UCC21732QDWRQ1 utilize?

It utilizes capacitive coupling technology to provide galvanic isolation.

Is this component suitable for Silicon Carbide (SiC) applications?

Yes, it is explicitly designed for driving IGBTs and SiC FETs.