TPS2330IDG4

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TPS2330IDG4 is a PMIC (Power Management IC) Hot Swap Controller. It is designed for ready-made power solutions to meet power sequencing, inrush current limiting, and over-current protection needs for high-power system designs. The Hot Swap Controller helps to optimize reliability and system performance, as it monitors and controls the current delivery to most loads from hot plugging.

The TPS2330IDG4 is a synchronous hot swap controlling circuit that provides optimized gate drive signals to enable external MOSFETs to control the load current. The device provides protection against inrush current, over-voltage, short-circuit conditions and overtemperature. It is ideal for applications such as datacom boards, power over Ethernet (PoE) equipment, high-end server boards and networks, and other applications requiring current limits.

Application Field of TPS2330IDG4

The TPS2330IDG4 is an ideal power solution for high-power system designs. It offers flexibility and scalability from the low end of 4A to the high end of 10A. With its current limit adjustable over a 2:1 range, the TPS2330IDG4 can be used for virtually any load application. It is suitable for use in distributed power systems and hot-swap solutions.

The TPS2330IDG4 is a perfect choice for applications in datacom equipment and power over Ethernet (PoE) systems. It provides reliable protection for both low and high power loads, and it is capable of handling inrush currents up to 150A. The device ensures fast and reliable protection against short-circuit and excessive temperature conditions.

The TPS2330IDG4 is an excellent choice for applications in high-end server boards and networks. It is ideal for applications such as high-current power supply modules, power distribution systems, redundant power architectures, as well as load current limit and shutoff solutions.

Working Principle of TPS2330IDG4

The TPS2330IDG4 operates on a four-phase nonoverlapping gate drive scheme. During normal operation, the device controls the gate drive for the external MOSFETs to ensure the current limit. When an over-current or over-temperature condition is detected, the device latches off the gate drive for all FETs until it is reset externally.

The TPS2330IDG4 uses current sense resistors to provide an analog voltage representing the load current. When this voltage reaches a certain level, it will trigger the current limit circuit, which will latch off the MOSFET gate drive. An over-voltage detection circuit monitors the input voltage and when it reaches a threshold, the device latches off the gate drive. An overtemperature circuit monitors the junction temperature of the device and when it reaches a specified level, the device latches off the gate drive.

The TPS2330IDG4 also has an adjustable under-voltage lock-out circuit that can be used to protect the MOSFETs from potentially damaging voltages during load turn-off. This circuit also ensures that the device is not enabled during start-up until the power supply is stable.

The TPS2330IDG4 also has an adjustable external current limit circuit. This feature allows the device to limit the load current for a specific application. This feature is especially useful for applications such as power distribution systems, redundant power architectures, and power supply modules.

Conclusion

The TPS2330IDG4 is a PMIC Hot Swap Controller that provides optimized gate drive signals to enable external MOSFETs to control the current delivery to most loads. It offers flexibility and scalability from 4A to 10A. The device provides protection against inrush current, over-voltage, short-circuit conditions, and overtemperature. It is ideal for applications such as datacom boards, power over Ethernet (PoE) equipment, high-end server boards and networks, and other applications requiring current limits.

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