TPS3306-33DGK

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PMIC, or Power Management IC, is a modern electronic component designed to support a microprocessor in controlling input and output voltage for the purpose of electrical power management. A supervisors is a type of PMIC dedicated to integrating protection and safety functions, and the TPS3306-33DGK is one of the most popular supervisors. This article will cover the application field and working principle of the TPS3306-33DGK.

The Application Field of TPS3306-33DGK

The TPS3306-33DGK is designed as a general overvoltage protection and undervoltage monitoring supervisor for embedded systems and microchips. It is commonly seen in applications such as automotive electronics, embedded system power supplies, and power systems. As a supervisor, its main function is to protect microprocessors from overvoltage and undervoltage events, while providing a constant nominal voltage. As such, the TPS3306-33DGK is a popular choice for digital equipment in automobiles, as well as 3D printers, routers, and many other electronics.

The Working Principle of TPS3306-33DGK

The TPS3306-33DGK has three main features — overvoltage protection (OVP), undervoltage monitoring (UVM), and reset voltage monitoring (RVM). Overvoltage protection seeks to monitor the input voltage of the microprocessor and immediately shut down the device in the event the voltage exceeds the OVP threshold. Undervoltage monitoring is used to detect a drop in the input voltage below the UVM threshold, which triggers an interrupt signal so the microprocessor can resume normal operation. Reset voltage monitoring monitors the voltage of the reset signal and issues a reset pulse when the voltage falls below the RVM threshold. The TPS3306-33DGK also has additional features, such as over-current protection, under-current protection, and temperature protection.

Conclusion

The TPS3306-33DGK is a popular supervisor in the PMIC industry and is primarily used to protect microprocessors from overvoltage and undervoltage events. It features overvoltage protection, undervoltage monitoring, and reset voltage monitoring, as well as additional protection features such as over-current protection, under-current protection, and temperature protection. As such, it is commonly seen in applications such as automotive electronics, embedded system power supplies, and power systems.

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