Texas Instruments

UCC37321DRG4  

Gate Drivers ICs

UCC37321DRG4 Description

The UCC37321DRG4 is a low-side gate driver IC designed by Texas Instruments, suitable for a variety of power management applications. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8SOIC package. It features a single-channel inverting input type, making it ideal for driving power MOSFETs and IGBTs in various switching applications.

UCC37321DRG4 Features

• Operating Temperature Range: The UCC37321DRG4 operates within a temperature range of 0°C to 70°C (TA), ensuring reliable performance in standard ambient conditions.
• Input Type: The inverting input type simplifies the design of switching circuits by directly interfacing with logic signals.
• Rise and Fall Time: With a typical rise and fall time of 20ns, the UCC37321DRG4 ensures fast and efficient switching, minimizing power loss and improving overall system efficiency.
• Output Current Capability: The device can source and sink peak currents of up to 9A, making it suitable for high-current applications.
• Supply Voltage Range: The UCC37321DRG4 operates from a supply voltage range of 4V to 15V, providing flexibility in power supply design.
• Logic Voltage Levels: The logic input voltage levels (VIL, VIH) are specified at 1.1V and 2.7V, respectively, ensuring compatibility with a wide range of digital logic families.
• Compliance and Standards: The UCC37321DRG4 is REACH unaffected and RoHS3 compliant, meeting environmental and safety standards for electronic components.
• Packaging: The device is available in a Tape & Reel (TR) package, facilitating easy handling and automated assembly processes.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the UCC37321DRG4 is suitable for storage and handling without additional moisture protection measures.

UCC37321DRG4 Applications

The UCC37321DRG4 is well-suited for applications requiring efficient power switching and control. Its high current capability and fast switching times make it ideal for:

• Power Supplies: Driving MOSFETs in DC-DC converters and other power supply applications.
• Motor Control: Controlling the speed and direction of motors by driving power switches.
• Battery Management Systems: Efficiently managing battery charging and discharging circuits.
• Industrial Automation: Driving power switches in various industrial control systems.
• Consumer Electronics: Power management in devices such as laptops, tablets, and other portable electronics.

Conclusion of UCC37321DRG4

The UCC37321DRG4 from Texas Instruments is a versatile low-side gate driver IC that offers high performance and reliability. Its fast switching times, high current capability, and wide supply voltage range make it suitable for a variety of power management applications. The device's compliance with environmental and safety standards ensures it meets the requirements of modern electronics manufacturing. While the UCC37321DRG4 is now obsolete, it remains a valuable component for existing designs and legacy systems.

UCC37321DRG4 Documents

Download datasheets and manufacturer documentation for UCC37321DRG4

Datasheets :

UCC27321-22, UCC37321-22      

HTML Datasheet :

UCC27321-22, UCC37321-22