UCC2917NG4

PMIC - Hot Swap Controllers

The UCC2917NG4 is an integrated circuit built by Texas Instruments to enable hot swap functionality in systems that require power to be applied and removed gradually. The device is a TI NexFETTM power stage specifically designed for hot swap applications.

The UCC2917NG4 provides a safe and reliable method for powering up and powering down devices. This is generally necessary in applications where potential human contact or system damage can be a concern. Examples of these applications include datacom and telecom systems, automotive systems, and industrial automation and control systems.

Application Field and Working Principle

The UCC2917NG4 is designed to be used in applications where power must be applied and removed gradually. This is often necessary in order to protect the system from inrush current and to avoid the potentially damaging effects of short-circuiting the system.

When the power source is connected to the UCC2917NG4, the device monitors the system voltage and starts to slowly ramp up the power. Once the desired voltage level is reached, the device provides a steady supply of voltage to the system.

When the power source is disconnected, the UCC2917NG4 slowly ramps down the power, reducing the risk of short-circuiting the system. This allows for a safe and reliable power off operation, protecting the system from potential damage.

The UCC2917NG4 also provides additional features such as overvoltage and overcurrent protection, programmable slew rates for smooth system transitions, and a shutdown feature for emergency power disconnect.

Overall, the UCC2917NG4 is an ideal device for applications where hot swap functionality is necessary. It is simple to use, reliable, and provides a safe and reliable way to control power in hot swap applications.