UCC27321QDRQ1

Gate Driver Overview

The UCC27321QDRQ1 is a single-channel, high-speed low-side MOSFET gate driver designed for automotive applications. It provides a peak output current of 9 A and operates within a supply voltage range of 4 V to 15 V. The device features an enable pin for control, TTL/CMOS compatible inputs, and propagation delays of up to 25 ns. It supports rise and fall times of approximately 10 ns with a 10 nF load. The component is housed in an 8-pin SOIC package and is rated for operation between -40°C and +105°C.

Gate Driver Feature Summary

• Delivers 9 A peak drive current for rapid switching of power MOSFETs
• Includes an enable pin for precise operational control
• Features TrueDrive architecture for efficient current transmission at low voltages

Gate Driver Applications

• Automotive power management systems
• Motor control drives
• High-speed power conversion circuits

Gate Driver Procurement Notes

Verify the specific suffix 'QDRQ1' against the manufacturer's official documentation to confirm automotive qualification and tape-and-reel packaging specifications. Ensure that the SOIC-8 package dimensions and thermal characteristics align with the target PCB layout requirements before finalizing procurement orders.

Gate Driver Selection Notes

Select this component when a single-channel driver with high peak current capability is required for low-side switching applications. The integrated enable function simplifies system control logic. Verify that the input signal levels are compatible with standard TTL or CMOS logic families to ensure reliable triggering without additional interface circuitry.

Gate Driver Part Context

This part belongs to the UCC2732x series of high-speed gate drivers from Texas Instruments. It is specifically engineered to replace multiple discrete components by integrating high-current driving capabilities into a compact package. The design minimizes cross-conduction currents and handles Miller plateau effects effectively during switching transitions.

Gate Driver FAQ

What is the maximum operating supply voltage?

The maximum operating supply voltage is 15 V.

Does the device support both inverting and non-inverting configurations?

No, the UCC27321 is a non-inverting driver; the UCC37321 variant provides the inverting configuration.