UCC21755QDWRQ1

Overview

The UCC21755QDWRQ1 is an automotive-grade, galvanically isolated single-channel gate driver from Texas Instruments. It features a SOIC-16 package and supports input voltages between 3 V and 5.5 V. The device provides a peak output current of +/-10 A with an isolation voltage of 5700 Vrms. It operates within a temperature range of -40°C to +125°C, dissipating up to 985 mW. Key timing parameters include a maximum propagation delay of 130 ns, rise time of 33 ns, and fall time of 27 ns. Output voltage ranges from 3 V to 33 V.

Feature Summary

• Automotive qualification for high-reliability applications
• High-voltage galvanic isolation capability
• Strong drive performance for power switches

Applications

• Driving SiC MOSFETs in electric vehicles
• Driving IGBTs in industrial inverters
• Isolated DC-DC converter control loops

Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package and tape-and-reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Ensure the supplier source is authorized to guarantee component authenticity and traceability for automotive-grade parts.

Selection Notes

Select this component when high-voltage isolation and robust drive current are required for wide-bandgap semiconductors. The single-channel configuration suits half-bridge or full-bridge topologies where one channel is sufficient. Consider the SOIC-16 footprint for PCB layout constraints and verify thermal dissipation capabilities under continuous operation conditions.

Part Context

This device belongs to the UCC21755 family of isolated gate drivers designed for demanding power electronics environments. It complements other automotive-rated drivers like the UCC21751QDWRQ1 by offering specific drive characteristics tailored for high-power switching applications in electric and hybrid vehicles.

Replacement Considerations

UCC21751QDWRQ1