UCC23514VDWV

Overview

The UCC23514VDWV is a single-channel optically isolated gate driver from Texas Instruments, designed for driving IGBTs, MOSFETs, and SiC MOSFETs. It features a 5.0-kVRMS isolation barrier and an opto-compatible input interface. The device provides a 4.5A source and 5.3A sink peak output current with a supply voltage range of 12V to 33V. Key electrical parameters include a maximum propagation delay of 105ns, rise time of 28ns, and fall time of 25ns. It operates within a junction temperature range of -40°C to +150°C and is housed in an 8-pin SOIC package.

Feature Summary

• Pin-to-pin drop-in upgrade for standard opto-isolated gate drivers
• High common-mode transient immunity (CMTI) of 150kV/µs minimum
• Input stage simulates a diode for long-term reliability and excellent aging characteristics
• Rail-to-rail output capability supporting high-side and low-side configurations

Applications

• Industrial motor control drives
• Solar inverters
• Induction heating systems
• Industrial power supplies and UPS

Procurement Notes

Verify the specific suffix 'DWV' indicates the single-ended output variant when ordering. Confirm that the required isolation ratings meet the safety standards applicable to your final equipment design, such as UL 1577 or VDE certifications. Ensure the PCB layout accommodates the 8.5mm creepage distance specified for the DWV package to maintain isolation integrity. Check moisture sensitivity levels and reflow soldering profiles against the manufacturer's datasheet recommendations.

Selection Notes

Select the UCC23514VDWV when a single-ended output is sufficient for the application. Choose this part over other variants like UCC23514SDWV if differential outputs are not required. Consider the 33V maximum supply voltage for driving SiC devices or bipolar IGBTs requiring negative turn-off voltages. Evaluate the thermal performance given the wide operating temperature range up to 150°C junction temperature.

Part Context

This component belongs to the UCC23514 family of capacitive coupling isolated gate drivers. It serves as a modern replacement for traditional optical isolators, offering superior speed and reliability. The family includes variants with differential outputs (S), UVLO on separate pins (E), and Miller clamp features (M). The VD variant specifically provides a single output pin for simplified low-side or high-side drive circuits.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.