TPS259241DRCT

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TPS259241DRCT Application Field and Working Principle

Texas Instruments\' TPS259241DRCT is a Hot Swap controller manufactured by Texas Instruments. It is designed for hot-swap applications, where it is important to protect the device from inrush current, overvoltage, and overcurrent protection. It also provides features like low-quiescent current, reverse-current protection, and differential control between on/off states.

Application Field

The TPS259241DRCT is primarily used in DC/DC Hot Swap circuits, such as those found in distributed power systems, server racks, and data centers. This device is capable of dynamically controlling the current in a hot-swap system, achieving a safe power-off and increasing the life of the system. It can be used to protect and control up to 16 regulated DC/DC converters with up to 16 channels of differential current control. Additionally, the TPS259241DRCT can be used in a wide range of other systems, such as USB charging ports, automotive, power supplies, and embedded systems.

Working Principle

The TPS259241DRCT Hot Swap Controller utilizes a pulse-width modulation (PWM) control loop that monitors the voltage at the output and adjusts the voltage provided by the external power source to maintain the desired output voltage. The PWM control loop is also responsible for maintaining the typically low current draw during the hot-swapping process. To enable this process, the TPS259241DRCT includes an overvoltage, overcurrent, and reverse-current protection circuit. This circuit monitors the voltage and current levels at the input and ensures that only the desired level of power is allowed to pass through the system. Additionally, the TPS259241DRCT includes a differential control between on and off states that helps protect the system from an unexpected state change while hot-swapping.

The TPS259241DRCT also includes additional features such as thermal protection, an Overvoltage FET Gate Control, and configurable debouncing time. These additional features ensure a safe and optimal operation of the Hot Swap controller.

Conclusion

The TPS259241DRCT Hot Swap Controller is an ideal solution for applications where a safe and efficient power management process is required. This device offers an overvoltage, overcurrent, and reverse-current protection circuit, as well as additional features such as thermal protection, an Overvoltage FET Gate Control, and configurable debouncing time. It is primarily used in distributed power systems, server racks, and data centers and is suitable for a wide range of applications.

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