UCC27712DR

Gate Driver Overview

The UCC27712DR is a high-side and low-side gate driver manufactured by Texas Instruments, designed to drive power MOSFETs or IGBTs. It features a peak output current of 2.8A sink and 1.8A source. The device operates with a recommended VDD range of 10V to 20V for IGBTs and 10V to 17V for MOSFETs. It supports bus voltages up to 620V with an absolute maximum of 700V on the HB pin. Key electrical parameters include a rise time of 16ns, fall time of 10ns, typical propagation delay of 100ns, and delay matching of 12ns. The operating temperature range is -40°C to +125°C.

Gate Driver Feature Summary

• High-side and low-side configuration with dual inputs featuring output interlock and 150ns dead-time functionality to prevent simultaneous output activation.
• Robust noise and transient immunity characterized by high dV/dt tolerance of 50V/ns, large negative transient safe operating area, and input negative voltage tolerance of -5V.
• Integrated protection mechanisms including under-voltage lockout (UVLO) for both VDD and HB bias supplies, ensuring reliable operation during power-up and fault conditions.

Gate Driver Applications

• Motor drives including stepper motors, HVAC systems, fans, power tools, robotics, and drones
• Bridge converters in offline AC/DC power supplies
• High-density switched-mode power supplies for server, telecommunications, IT, and industrial infrastructure
• DC-to-AC inverters

Gate Driver Procurement Notes

Verify that the ordering suffix 'DR' corresponds to the tape-and-reel packaging variant rather than the tube-packaged version. Confirm the specific package type matches system requirements. Ensure component authenticity through authorized channels. Check for AEC-Q100 qualification if automotive application is intended, noting that standard UCC27712 may differ from the Q1-rated variant.

Gate Driver Selection Notes

Select this component for applications requiring high-speed switching with robust transient immunity. The 150ns dead-time and interlock feature simplifies half-bridge control logic. Consider the 10V to 20V VDD range when designing the bias supply circuitry. The SOIC-8 package offers a compact footprint suitable for dense PCB layouts.

Gate Driver Part Context

The UCC27712 belongs to a family of high-voltage gate drivers from Texas Instruments. It utilizes advanced high-voltage device technology to deliver strong driving capability. The device is available in different package options, with the DR suffix indicating reel packaging. It serves as a critical interface between low-voltage control logic and high-power semiconductor switches.

Gate Driver Replacement Considerations

UCC27712D: Identical functional specifications but supplied in tube packaging instead of tape-and-reel format.

Gate Driver FAQ

What is the purpose of the interlock feature?

The interlock feature prevents both outputs from turning on simultaneously, working in conjunction with the 150ns dead-time to protect the connected power devices from shoot-through currents.

How does the device handle negative transients on the HS pin?

The UCC27712DR features a large negative transient safe operating area (NTSOA) and can tolerate logic operating voltages down to -11V on the HS pin, enhancing reliability in high-noise environments.