Texas Instruments

UCC3919D

UCC3919D Description

The UCC3919D is a general-purpose hot swap controller designed by Texas Instruments, suitable for a wide range of applications requiring reliable power management. This device is housed in a surface-mount package, specifically a tube, and is optimized for an operating temperature range of 0°C to 70°C. It features a supply current of just 1 mA, making it highly efficient for low-power applications. The UCC3919D operates within a supply voltage range of 3V to 8V, providing flexibility for various power supply configurations.

UCC3919D Features

The UCC3919D stands out with its comprehensive set of programmable features, including auto retry, circuit breaker, current limit, fault timeout, and latched fault. These features enhance the reliability and robustness of the system, ensuring safe and efficient operation even under adverse conditions. The device also includes an under-voltage lockout (UVLO) feature, which prevents operation below a specified voltage threshold, safeguarding the system from potential damage due to insufficient power supply.

UCC3919D Applications

The UCC3919D is ideal for applications that demand reliable and efficient power management. Its general-purpose nature makes it suitable for a variety of systems, including industrial controls, medical equipment, and telecommunications infrastructure. The device's ability to manage hot swap operations ensures that systems can be safely and efficiently maintained or upgraded without the need for a complete power shutdown. This is particularly beneficial in environments where continuous operation is critical, such as data centers and network equipment.

Conclusion of UCC3919D

Despite its obsolete status, the UCC3919D remains a robust and reliable choice for applications requiring a hot swap controller. Its low supply current, wide operating voltage range, and comprehensive set of programmable features make it a versatile solution for power management. The inclusion of UVLO and other safety features ensures that the device can operate safely and efficiently in various conditions. While newer models may offer additional features or improved performance, the UCC3919D continues to provide a reliable and cost-effective solution for general-purpose power management needs.