UCC3919PWG4

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The UCC3919PWG4 is a hot swap controller as part of a suite of power management products manufactured by TI. It enables designers to safely connect and disconnect any power supply to live power rails and protect against overvoltage, undervoltage and other fault conditions. The device supports 3-phase system designs with up to 24 VDC and two separate output overload protection channels. It is used in a host of applications, including automotive, industrial and medical applications.

The design of the UCC3919PWG4 features a number of features that are particularly useful in hot swap applications. These include an adjustable voltage threshold with a precision voltage reference, overvoltage, undervoltage, and overcurrent protection, and an adjustable frequency for fast system response. Additionally, the device provides power control, status monitoring and alerting, and can be configured for different levels of system complexity.

Working Principle

The UCC3919PWG4 provides overvoltage, undervoltage, and overcurrent protection. The device’s adjustable voltage threshold means it can detect when input voltages exceed a certain value, while its precision voltage reference ensures accurate monitoring. In the event of an overvoltage, undervoltage, or overcurrent event, the device will switch off the power supply to protect the circuit. The device also provides adjustable frequency for fast system response, as well as power control, status monitoring, alerting and configuration for different levels of system complexity.

The device features a comprehensive set of features that enable robust hot swap system design. Its adjustable voltage threshold protects against overvoltage, while its precision voltage reference ensures accurate monitoring. Additionally, it provides overcurrent protection, adjustable frequency for fast system response and power control, status monitoring and alerting. This makes it ideal for applications where power interruption can cause significant damage or downtime, such as in automotive, industrial and medical applications.

The UCC3919PWG4 also features low-power CMOS technology for low-power consumption, as well as digital control and monitoring. This enables lower system costs, adds programmability, and eliminates the need for a number of discrete power-supply components. The device is also compatible with a variety of framing protocols, as well as a range of system management/monitoring/alerting software applications.

Overall, the UCC3919PWG4 is an incredibly versatile hot swap controller that provides a comprehensive set of features that enable robust hot swap system design. It is suitable for a wide range of applications, from automotive, industrial and medical, to consumer applications, and its low-power CMOS technology allows for low-power consumption. This makes it an ideal solution for a variety of applications that require reliable and efficient power control.

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